World 21

Coin Blocks Brick Blocks Empty Blocks exploder lock blocks crates shells bubbles skill chargers

World 21 is a forest world during autumn in Dr. Mario World. The first area is available as of 11 PM PT on Oct. 21, 2020, while the second area, challenge stages and special stage are available as of 11 PM PT on Nov. 4, 2020. This world was mistakenly announced earlier than planned.

When an area is cleared, Goombrats, Wigglers and Galoombas appear. The viruses featured in the regular stages are red, blue and yellow.

Area 1

Image	Stage	Best Doctors	Overview
	Stage 801	Dr. Larry Dr. Daisy	The objective of this stage is to eliminate all viruses (22) and collect all keys (5). In this stage, the viruses in the first three columns and the last three columns are surrounded by colorful crates. Exploders are in the middle column in between two empty spaces surrounded by colorful crates. The keys and doors are in the leftmost and rightmost columns, as well as the middle three columns.
	Stage 802	Dr. Roy Dr. Nabbit	The objective of this stage is to eliminate all viruses and collect all coins from Coin Blocks. In this stage, there are three rows of Brick Blocks in the second, fifth and eighth rows where the first three and last two are Coin Blocks in the first and third of these and first two and last three are Coin Blocks in the second. Above the rows of Brick Blocks are viruses inside bubbles. On the leftmost and rightmost columns are bubble machines and jars containing pop cannons.
	Stage 803	Dr. Wendy Dr. Baby Mario	The objective of this stage is to eliminate all viruses and collect all purple coins. In this stage, purple coins (caged and uncaged) are arranged mostly in a checkered pattern in the first seven rows (except the middle of the seventh row), along with two additional coins in the eighth row. Between the coins are three floatie viruses in the middle column, eight exploders in the fourth and sixth columns and half-frozen viruses in the others. Purple coins are unlocked in the following sequence: The 2 coins in the eighth row. The middle three columns of coins in the fifth and sixth rows, for a total of 3 coins. The middle three columns of coins in the third and fourth rows, for a total of 3 coins. The middle three columns of coins in the first and second rows, for a total of 3 coins. The leftmost three columns and rightmost three columns of coins in the sixth and seventh rows, for a total of 6 coins. The leftmost three columns and rightmost three columns of coins in the fourth and fifth rows, for a total 6 six coins. The leftmost three columns and rightmost three columns of coins in the second and third rows, plus the rightmost coin in the first row, for a total of 7 coins. The remaining 3 coins in the first row.
	Stage 804	Dr. Baby Luigi Dr. Baby Peach	The objective of this stage is to eliminate all viruses and collect all keys. In this stage, there are eight groups in three-by-three forming a ring. The top-left and top-right groups have barrels containing viruses and doors, while the bottom-left and bottom-right groups have barrels containing viruses and doors. The bottom-middle group has Brick Blocks containing hidden viruses and keys while the top-middle has Brick Blocks containing hidden viruses and doors. The middle-left and the middle-right groups have exploder jars surrounded by Brick Blocks containing seven hidden viruses for each jar.
	Stage 805 (Hard)	Dr. Waluigi Dr. Bowser	The objective of this stage is to eliminate all viruses and collect all coins from Coin Blocks. In this stage, the barrels form two concaves on the left and right, with a shell jar in the middle. The middle column of barrels contains Brick Blocks (all containing coins) and the barrels forming diagonal lines leading to the jar contain exploders. The other barrels contain viruses.
	Stage 806	Dr. Boo Dr. Diddy Kong	The objective of this stage is to eliminate all viruses, destroy all barriers and collect all keys. In this stage, the keys are located in the tenth row and the doors are in the topmost row in the middle five columns. Barriers occupy the middle column between the key and door, as well as the fourth row and the seventh rows. Viruses are located in the third, sixth and ninth rows while crates and colorful crates are located in the second, fifth and eighth rows.
	Stage 807	Dr. Baby Daisy Dr. Roy	The objective of this stage is to collect all coins from Coin Blocks and collect all virus coins. In this stage, dust viruses form a checkered pattern, intersected with exploders and bubbles containing crates and viruses. Additionally, there is a shell in the topmost row, there two viruses and two exploders are also located. The virus coins are covered by the bubbles containing crates and the exploders. In the ninth row, there are ice fans, while the second and eighth column each has three Brick Blocks (all containing coins).
	Stage 808	Dr. Yoshi Dr. King Boo	The objective of this stage is to eliminate all viruses and collect all purple coins. In this stage, the purple coins are located in the second and eighth columns, all inside barrels. On each column, four of the purple coins are in between barriers. The viruses are in between barriers, with the rows of viruses and barriers in between rows of crates.
	Stage 809	Dr. Morton Dr. Koopa Troopa	The objective of this stage is to eliminate all viruses, collect all coins from Coin Blocks and destroy all colorful crates. In this stage, colorful crates are found in eight groups of two and Brick Blocks (all containing coins) are found in four groups of two. Alongside the colorful crates and Coin Blocks are clouded viruses.
	Stage 810 (Hard)	Dr. Bowser Jr. Dr. Blooper	The objective of this stage is to eliminate all viruses, collect all purple coins and collect all keys. At the beginning of this stage, there are two rows of floatie viruses each with a half-frozen pop cannon jar, and between the jars are floatie viruses (the next revealed row has another pop cannon jar). An additional pop cannon jar is located in the fifth revealed row, where it is in between eight half-frozen viruses. The eight keys and doors before the stage scrolls each have a floatie virus in between. Purple coins (caged and uncaged) are located in the first row and every second revealed row. More keys are located in the first two revealed rows, with their corresponding doors in the next two revealed rows. Purple coins are unlocked in the following sequence: The 4 coins in the first row (before the stage scrolls). The 5 coins in the second revealed row. The 5 coins in the fourth revealed row. The fully-frozen 8 coins in the sixth revealed row. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 6 lines are introduced.
	Stage 811	8-Bit Dr. Mario Dr. Kamek	The objective of this stage is to eliminate all viruses and collect all virus coins. In this stage, fully-frozen viruses are arranged to be one row and one column apart from each other. Between the rows and columns of viruses are barrels that contain exploders and a flask. The filled flask in this stage will shoot out colorful crates.
	Stage 812	Dr. Ludwig Dr. Fire Mario	The objective of this stage is to eliminate all viruses, collect all purple coins and collect all keys. In this stage, the doors and keys are both half-frozen. Pop cannons are located in the second and third rows while floatie viruses are located in the seventh and eighth rows. There is a shell and an exploder in the fifth row, where two purple coins are located. The middle column contains caged coins and crates, and in between the coins are barriers. Purple coins are unlocked in the following sequence: The 2 coins in the fifth row. The 3 coins in the middle column from the seventh row to the ninth row. The 3 coins in the middle column from the first row to the third row.
	Stage 813 (Hard)	Dr. Dry Bowser Dr. Toadette	The objective of this stage is to eliminate all viruses and collect all purple coins. In this stage, there are twelve purple coins in the middle three columns from the fourth to seventh rows. In the fourth to sixth rows, there are viruses and two lock blocks. Those lock blocks correspond to the cages group in L-shapes, with most of them containing viruses and one of them being a lock block that corresponds to the cages in the middle three columns. Near each of the cages are caged coins and colorful crates. Purple coins are unlocked in the following sequence: The 12 coins in the middle three columns. The first coins in the eighth and ninth rows, for a total of 2 coins. The second coins in the eighth and ninth rows, for a total of 2 coins. The first coins in the two topmost rows, for a total of 2 coins. The second coins in the two topmost rows, for a total of 2 coins.
	Stage 814	Dr. Koopa Troopa Dr. Luma	The objective of this stage is to eliminate all viruses and collect all keys. In this stage, there are dust viruses, clouded viruses and a shell below two normal viruses. The doors are located in the barrels in the middle seven columns in the second and sixth rows, while the keys are located in the barrels in the middle seven columns in the fourth and eighth rows. The other barrels contain viruses.
	Stage 815 (Hard)	Dr. King Boo Dr. Yoshi	The objective of this stage is to collect all virus coins and collect all purple coins. In this stage, the middle five columns contain half-frozen purple coins with bubbles containing colorful crates in between the coins. The two leftmost columns and two rightmost columns contain checkered floatie viruses and colorful crates. The virus coins are covered by the floatie viruses and the bubbles.
	Stage 816	Dr. Fire Rosalina Dr. Baby Wario	The objective of this stage is to eliminate all viruses and collect all keys. In this stage, most of the keys and doors are locked behind cages. The top-middle portion of this stage has two exploders and a pop cannon nearby several colorful crates, and the pop cannon is directed towards a lock block that is amidst bubbles containing viruses and colorful crates. Another pop cannon is at the leftmost of the second row, which is aimed towards a shell and another lock block. The third lock block is nearby that pop cannon. Between some of the keys and doors are floatie viruses.
	Stage 817	Dr. Baby Rosalina Dr. Dolphin	The objective of this stage is to eliminate all viruses and collect all virus coins. In this stage, viruses, crates and exploders are scattered, as well as ice fans and Brick Blocks. Among the Brick Blocks, the Capsule Plus are hidden inside the ones in the first row, the fourth row and the eighth row, while the others contain hidden viruses.
	Stage 818	Dr. Ludwig Dr. Larry	The objective of this stage is to eliminate all viruses and collect all virus coins. In the beginning of this stage and the next four revealed rows, there are rows of barrels containing exploders in the second and third bottom-most rows and viruses in the others, where they are between Brick Blocks containing hidden viruses. In the last nine revealed rows, there are four groups of viruses and barrels among Empty Blocks, crates and an exploder jar, where the barrels contain both normal viruses and floatie viruses. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 13 lines are introduced.
	Stage 819	Dr. Baby Wario Dr. Toad	The objective of this stage is to collect all purple coins. In this stage, viruses are arranged in groups of two or three so that a capsule could be used to make a match, and most of those groups are half-frozen. At the bottom half, there are four groups of two half-frozen purple coins above bubble machines, while the top half has caged coins surrounded by bubble machines and barrels containing purple coins. The Brick Blocks do not contain anything. Purple coins are unlocked in the following sequence: The coins in the sixth and seventh rows, as well as the coins in the barrels, for a total of 16 coins. The 2 coins in the third row surrounded by barrels.
	Stage 820 (Hard)	Dr. Lemmy Dr. Wario	The last stage of the first area, the objective of this stage is to eliminate all viruses and collect all virus coins. In this stage, the leftmost and rightmost columns consist of bubbles, in which a shell is located in the first row and every third revealed row on different sides. On the same row as each of the shells are rows of frozen viruses, with the sixth revealed row having fully-frozen viruses while the others have half-frozen viruses. Crates and colorful crates surround the frozen viruses except for the ones in the ninth revealed row. The last revealed row is a row of Empty Blocks. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 10 lines are introduced. When cleared, the rest of the first area in the world map gets cleared of viruses. Players also obtain the Galoomba assistant upon completing this stage.

Area 2

Image	Stage	Best Doctors	Overview
	Stage 821	Dr. Peach Dr. Goomba Tower	The objective of this stage is to eliminate all viruses. In this stage, The clouded viruses and floatie viruses are surrounded by crates, and between the crates are gaps where one of them has an exploder and two of them are jars: an exploder jar and a pop cannon jar. Additional viruses and crates are located in the ninth row.
	Stage 822	Dr. Roy Dr. Daisy	The objective of this stage is to eliminate all viruses and collect all keys. In this stage, dust viruses are arranged in a checkered pattern, where the gaps are filled with crates in the odd-numbered columns and colorful crates in the even-numbered rows. The keys and doors are located in the odd-numbered rows, and in between the keys are normal viruses.
	Stage 823	Dr. Dolphin Dr. Baby Luigi	The objective of this stage is to eliminate all viruses and collect all virus coins. In this stage, the crates form a crosshair covering a virus coin, and on each of the quadrant around the crosshair are frozen viruses that cover the rest of the virus coins. Bubble machines are placed around the objects of this stage.
	Stage 824	Dr. Fire Rosalina Dr. Larry	The objective of this stage is to eliminate all viruses and collect all keys. In this stage, the barrels form a diamond that surrounds and is surrounded by fully-frozen viruses. That outer ring of viruses is below the doors and above the keys. Next to the keys and doors are more fully-frozen viruses. There are pop cannon jars in the top-left and top-right corners.
	Stage 825 (Hard)	Dr. Baby Mario Dr. Wendy	The objective of this stage is to collect all coins from Coin Blocks and collect all virus coins. In this stage, each of the virus and floatie virus has a virus coin behind them, while Brick Blocks (all containing coins) are found in the second, middle and eighth columns. Filling the space between the viruses and Coin Blocks are colorful crates.
	Stage 826	Dr. Lemmy Dr. Toad	The objective of this stage is to collect all virus coins and collect all purple coins. In this stage, frozen viruses and virus coins are placed throughout, where ice fans are also found. The three large virus coins are located in the three topmost rows.
	Stage 827	Dr. Ludwig Dr. Baby Luigi	The objective of this stage is to eliminate all viruses and collect all coins from Coin Blocks. In this stage, the caged Brick Blocks (all containing coins) and caged exploder jars form two question marks, one in a normal position and one in an upside-down position. Within the curves of each question mark and between the symbols are floatie viruses and lock blocks.
	Stage 828	Dr. Baby Daisy Dr. Fire Rosalina	The objective of this stage is to eliminate all viruses and collect all keys. In this stage, there are purple coins that surround a few viruses, where one group is caged and the other is uncaged. Some of the coins and doors are frozen. The yellow lock block is blocked off by two doors, which corresponds to cages that include a shell in the vicinity of a pop cannon that aims two other shells. One of those shells targets the light-blue lock block, which unlocks a portion of purple coins and a red lock block. The red cages include an exploder that targets a shell that will lead to a pop cannon that targets a number of viruses. Purple coins are unlocked in the following sequence: The coins in the seventh to ninth rows, for a total of 15 coins. The coins in the second to fourth rows, for a total of 11 coins.
	Stage 829	8-Bit Dr. Mario Dr. Daisy	The objective of this stage is to eliminate all viruses and collect all purple coins. In this stage, the purple coins (caged and uncaged) are placed in diagonal lines parallel to the cages. The lock blocks for those cages are located at the top-right corner, while the cages contain either crates, exploder jars or Empty Blocks. Half-frozen viruses are located in the top-left corner, the top-right corner and the uncaged exploder jars. Exploders are connected so that it reaches the only uncaged purple coin. Purple coins are unlocked in the following sequence: The middle coin in the first row. The second coin in the ninth row. The coins from the sixth column to the rightmost column, plus the second coin in the seventh row and the first coin in the ninth row, for a total of 10 coins. The rest of the coins, for a total of 9 coins.
	Stage 830 (Hard)	Dr. Roy Dr. Yoshi	The objective of this stage is to collect all virus coins. In this stage, bubbles containing exploders are located next to bubble machines, where Brick Blocks are directly above and below them. The Brick Blocks contain hidden viruses. The filled flask in this stage will shoot out Brick Blocks containing hidden viruses.
	Stage 831	Dr. Baby Rosalina Dr. Goomba Tower	The objective of this stage is to eliminate all viruses and collect all coins from Coin Blocks. In this stage, two rows of dust viruses are in between three rows of Brick Blocks and two rows of Brick Blocks plus one containing Brick Blocks and viruses. The odd-numbered columns of Brick Blocks below the rows of dust and the even-numbered columns of Brick Blocks above the rows of dust are Coin Blocks, while the rest contain hidden viruses and hidden Capsule Plus (each starting from +5).
	Stage 832	Dr. Ludwig Dr. Fire Luigi	The objective of this stage is to eliminate all viruses and collect all keys. At the beginning of this stage are mostly barrels containing viruses, with a few normal and half-frozen normal viruses in the mix. Of the Brick Blocks, only the ones in the eighth row contain hidden viruses. In the first revealed row, there are three keys and two barrels containing shell jars. Barrels containing viruses are scattered in the first eight revealed rows, while the final revealed row contain doors in between Empty Blocks. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 9 lines are introduced.
	Stage 833	Dr. Koopa Troopa Dr. Baby Luigi	The objective of this stage is to eliminate all viruses and collect all keys. In this stage, clouded pop cannons are arranged in an "X", with barrels vertically in between them and Brick Blocks next to them. Of the Brick Blocks, the ones below the fifth row contain keys, while the ones above the fourth row contain doors and the one in the fourth row containing a pop cannon. The barrels in this stage contain either viruses, exploders, barriers or pop cannons, with only the middle barrel in the third row containing a door.
	Stage 834	Dr. Waluigi Dr. Peach	The objective of this stage is to eliminate all viruses. In this stage, there are two groups of caged viruses between a line of ice fans with a pop cannon jar on one end and a shell jar on the other end. Near the pop cannon jar are two lock blocks, while near the shell jar is two caged exploder jars. The shells that are shot out from the shell jar will be inside bubbles. On the same row or column as the lock blocks are crates.
	Stage 835 (Hard)	Dr. Baby Wario Dr. Lemmy	The objective of this stage is to eliminate all viruses, collect all purple coins and collect all keys. In this stage, the shells and pop cannons are connected in a way that when the shell in eighth row is activated, the chain reaction will cause the frozen viruses and exploders to be cleared of ice, while the doors and the crate will still be half-frozen. The Brick Blocks contain hidden purple coins (caged and uncaged), except for the first two ones in both the third column and the seventh column, as well as the first coin in the topmost column. Purple coins are unlocked in the following sequence: The rightmost coin in the seventh row. The coins in the first column and the first, third and fourth coins in the third column, for a total of 7 coins. The 2 coins to the right of the door in the fifth row. The rest of the coins, for a total of 17 coins.
	Stage 836	Dr. Toad Dr. Daisy	The objective of this stage is to eliminate all viruses and collect all virus coins. In this stage, the viruses are scattered among colorful crates in diamond patterns, where bubbles containing exploders and half-frozen bubble machines are also found. The exploders that are shot out from the exploder jars will be inside bubbles.
	Stage 837	Dr. Diddy Kong Dr. Bowser	The objective of this stage is to eliminate all viruses. In this stage, the viruses, dust clouds and barrels are arranged in diagonal lines, where barriers are also found. The barrels contain viruses, floatie viruses, barriers or Capsule Plus, while barriers are found in a few of the dust clouds.
	Stage 838	Dr. Fire Mario Dr. Baby Rosalina	The objective of this stage is to eliminate all viruses and collect all keys. In this stage, there are two lines of caged exploders that separate two groups of Brick Blocks, where one group has two normal viruses. The top side has fully-frozen doors and the bottom side has fully-frozen keys. Each side also has a lock block and both a key and a door. Most of the Brick Blocks contain hidden viruses, while three of the four Brick Blocks between each pair of key and door with them have hidden Capsule Plus.
	Stage 839	Dr. Lakitu Dr. Kamek	The objective of this stage is to collect all virus coins. In this stage, the Brick Blocks have virus coins behind them. The Brick Blocks all contain hidden floatie viruses. In addition to Brick Blocks, there are three pop cannon jars and one shell jar, as well as two pop cannons. The pop cannons that are shot out from the pop cannon jars will be hidden inside Brick Blocks.
	Stage 840 (Hard)	Dr. Goomba Tower Dr. Wendy	In the final stage of this world, the objective is to eliminate all viruses, destroy all colorful crates and collect all keys. In this stage, the keys are in the odd-numbered columns. At the beginning of this stage, there are three rows of viruses above the keys. In the two topmost rows (before the stage scrolls) and the next four revealed rows, there are six groups of four viruses in a row segmented by crates, where each group has two half-frozen viruses. The next six revealed rows contain alternating rows of viruses and colorful crates. In the next five revealed rows, there are two rows of bubbles with barriers inside sandwiched between three rows of viruses where the odd-numbered position of viruses are half-frozen. Doors are located in the final revealed row, where Empty Blocks are in between. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 16 lines are introduced. Once it is cleared, the remaining area of the stage map gets cleared of viruses, and players can access World 22. Upon completion, players earn a free Staff Ticket.

Challenge stages

Image	Stage	Best Doctors	Overview
	Stage 21A	Dr. Fire Luigi Dr. Fire Peach	Within a 60 second time limit, players need to eliminate all viruses and collect all coins from Coin Blocks. In this stage, Brick Blocks occupy nine rows except for two spots in the ninth row. Except for a few Brick Blocks, they contain either hidden pink viruses or are Coin Blocks. Completing this stage awards the player 500 coins.
	Stage 21B	Dr. Dry Bowser Dr. Ludwig	Within a 70 second time limit, players need to eliminate all viruses and collect all purple coins. In this stage, the pink viruses are arranged in a checkered pattern where they are either inside bubbles or are caged. Filling in the gaps of pink viruses are purple coins (caged and uncaged), where some of them are caged. The cages form a wall of a path where a bubble with a pink lock block is at the end. Purple coins are unlocked in the following sequence: In addition to the first row of coins, the path of coins starting from the rightmost portion to the leftmost portion of the eighth row, leading to the leftmost portion of the second row to the rightmost portion of the second row, leading to the rightmost portion of the fourth row to the third object in the fourth row, leading to the third object in the sixth row to the rightmost portion of the sixth row, for a total of 22 coins. The rightmost coin in the fifth row. The rightmost coin in the seventh row. The rest of the coins between the caged viruses, of which there are 14 of them. Completing this stage awards the player 500 coins.
	Stage 21C	Dr. Baby Peach Dr. Wario	Within a 70 second time limit, players need to eliminate all viruses, destroy all barriers and collect all keys. In this stage, cages are found in the topmost row and among the doors in an upside-down "V" pattern. Directly below the doors are caged floatie viruses and half-frozen viruses. The lock block, which is fully-frozen, is located in the middle of the topmost row, where two shells and caged barriers are located. In the same column as the shells, there are pop cannons, one caged and one uncaged. Crates are also found below the topmost row. Completing this stage awards the player 1000 coins and a Staff Ticket.

Special Stage

Image	Stage	Best Doctors	Overview
	Special Stage	Dr. Toad Dr. Baby Wario	The objective of this stage is to eliminate all viruses, destroy all barriers and collect all purple coins. In this stage, the barriers, frozen purple coins (caged and uncaged), jars, ice fans and bubble machines form an "X". The jars are a shell jar, an exploder jar and a pop cannon jar. Three floatie viruses are located on the sides and the top of the stage. Purple coins are unlocked in the following sequence: The second coin in the fourth row and the coins in the fifth row, for a total of three coins. The first coin in the third and fourth rows, the coin in the sixth row and the second coin in the seventh row, for a total of four coins. The second coin in the second and third rows, as well as the first coin in the seventh and eighth rows, for a total of four coins. The first coin in the second and eighth rows, as well as the coins in the first and ninth row, for a total of four coins. Completing this stage awards the player 1000 coins and Dr. Roy.

Profiles

• Dr. Mario World Twitter:
  • Yellow: "New stages will be added on Oct. 21 at 11 p.m. PT. You're saying that they look familiar? Uh...I don't know what you're talking about!"
  • Yellow: "A new half a world was added, and the special stage reward is Dr. Roy! Is it just me, or does Roy look a bit like Red? Oh, maybe it's just the red glasses... Heh."
  • Yellow: "New stages will be added Sept. 24, 12 AM PT. It's suddenly getting cooler outside... You know what that means? Fall is here!"

References

Category:Forests and Jungles Category:Dr. Mario World Worlds