World 10 (Dr. Mario World)

World 10 is a snow-themed world in Dr. Mario World. The first area is available as of 1 AM PT on Dec. 12, 2019, delayed from the scheduled date at 11 PM PT on Dec. 11, 2019, while the second area, challenge stages and special stage are available as of 1 AM PT on Dec. 26, 2019.

When the areas are cleared, Penguins and Ice Bros appear. The viruses featured in the regular stages are red, blue and green, while in the challenge stages, the featured viruses are green, light-blue and pink.

Area 1

Image	Stage	Best Doctors	Overview
	Stage 361	Dr. Diddy Kong Dr. Baby Luigi	This stage introduces barriers, which all turn on or off alternatively if a capsule lands without making matches. An inactive barrier can be destroyed, but active barriers cannot be destroyed. The objective of this stage is to eliminate all viruses.
	Stage 362	Dr. Kamek Dr. Bowser	The objective of this stage is to eliminate all viruses. Bubbles containing viruses and two shells are surrounded by barriers, with two groups being fully surrounded, one group on the side, and two groups at corners.
	Stage 363	Dr. Baby Peach Dr. Peach	The objective of this stage is to eliminate all viruses and collect all purple coins. In this stage, viruses and purple coins (caged and uncaged) are found within barriers. After the purple coins in the middle are collected, the purple coins arranged in columns are unlocked, followed by the purple coins in the top row.
	Stage 364	Dr. Baby Peach Dr. Baby Daisy	The objective of this stage is to eliminate all viruses, collect all pink coins in Brick Blocks and destroy all colorful crates. The Brick Blocks in the bottom three rows contain pink coins, and green viruses locked behind cages are found in the top three rows, each column being separated by green colorful crates. The Lock Block is found in the fourth column. Between the rows of green objects and the rows of Brick Blocks are colorful crates of assorted colors.
	Stage 365	Dr. Fire Mario Dr. Roy	The objective of this stage is to eliminate all viruses, collect all purple coins and unlock all doors. This stage contains three keys at the bottom-most row and doors at the topmost row. Between them are like-colored viruses arranged in rows, crates, purple coins (caged and uncaged) and colorful crates. The middle column and the row above green viruses contain crates. The caged coins in the higher row between the keys and doors will be unlocked after the initially unlocked purple coins are collected, followed by the rest of the purple coins in the higher rows, and finally the purple coins in the bottom row will be unlocked after the rest of the purple coins are collected.
	Stage 366	Dr. Koopa Troopa Dr. Waluigi	The objective of this stage is to eliminate all viruses and collect all pink coins in Brick Blocks. In this stage, two groups of viruses that form two pieces of a rectangle are found. Viruses covered in dust form the majority of the viruses, with only the bottom portion of each group being visible.
	Stage 367	Dr. Donkey Kong Dr. Larry	The objective of this stage is to destroy all colorful crates. In this stage, colorful crates are surrounded by viruses, and in the middle of the colorful crates is an exploder.
	Stage 368	Dr. Baby Luigi Dr. Peach	The objective of this stage is to unlock all doors. In this stage, the keys and doors are found at the leftmost three columns and the rightmost three columns. Active barriers are found at the middle three columns, while inactive barriers are found at the leftmost three columns. Viruses, an exploder and a shell are found in the rightmost three columns.
	Stage 369	Dr. Donkey Kong Dr. Rosalina	The objective of this stage is to eliminate all viruses. This stage contains four groups of four viruses each surrounded by eight colorful crates. The filled flask in this stage will shoot out either colorful crates or exploders.
	Stage 370	Dr. Ludwig Dr. Bowser	The objective of this stage is to eliminate all viruses. In this stage, viruses that are not locked behind cages are half-frozen, while shells are lined up with Lock Blocks. Behind the blue and red Lock Blocks are crates and viruses, while behind the green Lock Blocks are ice fans and viruses.
	Stage 371	Dr. Fire Mario Dr. Ludwig	The objective of this stage is to collect all purple coins and unlock all doors. In this stage, half-frozen purple coins are placed apart from each other in a 4x4 formation and the viruses are placed apart from each other in a 5x3 formation. Both formations intersect and are not adjacently connected.
	Stage 372	Dr. Donkey Kong Dr. Larry	The objective of this stage is to collect all Virus Coins. In this stage, Floatie Viruses are surrounded by crates of the same color as them, each virus covering a Virus Coin. A skill charger appears in the middle of the stage surrounded by active barriers, along with a Virus Coin behind the skill charger and barriers. On the top-left and bottom-right sides of the level are inactive barries arranged in a cross pattern with Virus Coins behind them.
	Stage 373	Dr. Koopa Troopa Dr. Rosalina	The objective of this stage is to eliminate all viruses and collect all pink coins from Brick Blocks. In this stage, viruses are found in groups of two vertically, with five groups positioned above the Brick Blocks and four groups positioned below the Brick Blocks. In addition, two of the flasks are partially filled in the beginning. Filled flasks in this stage will shoot out either shells or barriers.
	Stage 374	Dr. Fire Peach Dr. Fire Luigi	The objective of this stage is to eliminate all viruses. This stage is shaped like a spiral, with the crates forming the line and frozen viruses (half-frozen and fully frozen) positioned within the spiral.
	Stage 375	Dr. Fire Mario Dr. Kamek	The objective of this stage is to unlock all doors. In this stage, the even-numbered columns are occupied by keys, doors and Floatie Viruses. Each column contains two keys, two doors, three Floatie Viruses in bubbles and a Floatie Virus not in a bubble.
	Stage 376	Dr. Ludwig Dr. Fire Peach	The objective of this stage is to eliminate all viruses. In this stage, ice fans forming a swirling line are found in the middle columns, with several viruses within the "curves". On the two leftmost and two rightmost columns, bubble viruses and viruses in clouds are found among Brick Blocks. Crates are found between the columns with ice fans and the columns with brick blocks.
	Stage 377	Dr. Goomba Tower Dr. Bowser	The objective of this stage is to eliminate all viruses and collect all Virus Coins. In this stage, Virus Coins are behind all barriers and hidden viruses are found in Brick Blocks. Next to the outside barriers are colorful crates.
	Stage 378	Dr. Wendy Dr. Daisy	The objective of this stage is to eliminate all viruses and collect all pink coins from Brick Blocks. In this stage, fifteen viruses in a 5x3 formation are found within Brick Blocks and barriers, with a vacant row above them. Above the barriers are crates, and above them are two rows of viruses along with three exploders in the second row.
	Stage 379	Dr. Kamek Dr. Daisy	The objective of this stage is to eliminate all viruses and collect all purple coins. In this stage, crates surround the other objects. Capsule Plus capsules and Floatie Viruses are found, with the ones in the bottom row found in bubbles, unlike the ones in the top row. The middle row of Brick Blocks contain hidden viruses. The purple coins in the second column are needed to be collected to unlock the purple coins in the fourth column, followed by the ones in the sixth column, which is followed by the ones in the eighth column. Finally, after collecting the other purple coins, the ones in the fifth row are unlocked.
	Stage 380	Dr. Waluigi Dr. Daisy	The last stage of the first area, the objective of this stage is to eliminate all viruses. In this stage, all viruses are covered in dust. Barriers are found surrounding Capsule Plus capsules in clouds around the first half of the stage. Later in the stage, Brick Blocks behind cages are found, with its corresponding Lock Blocks found surrounded by barriers. This stage will scroll for one line each time enough objects are cleared, and will stop after 11 lines are introduced. When cleared, the rest of the first area in the world map gets cleared of viruses. Players also obtain the Penguin assistant upon completing this stage.

Area 2

Image	Stage	Best Doctors	Overview
	Stage 381	Dr. Waluigi Dr. Toadette	The objective of this stage is to eliminate all viruses. In this stage, five flasks are in the topmost row, separated by one column between columns. Below the flasks are four rows of crates separated by one row between crates. Floatie Viruses are found in the unoccupied columns below the bottom-most row of crates. Two of the flasks are partially filled. Filled flasks in this stage will shoot out either Brick Blocks containing hidden viruses or crates that require between one and four hits to destroy.
	Stage 382	Dr. Bowser Dr. Wendy	The objective of this stage is to eliminate all viruses and collect all pink coins from Brick Blocks. In this stage, Capsule Plus capsules are found in three groups of three in a row below Brick Blocks containing pink coins. In addition, the Brick Blocks in the same row as the bottom-most Capsule Plus capsules contain pink coins. Among the Empty Blocks, viruses shrouded in clouds are found.
	Stage 383	Dr. Koopa Troopa Dr. Fire Rosalina	The objective of this stage is to unlock all doors. In this stage, a row of red Floatie Viruses are found above the keys, and a row of barriers are found below the doors and a single skill charger. Between the rows of Floatie Viruses and barriers are Brick Blocks that contain hidden viruses above the red Floatie Viruses: the third row of blocks contain blue viruses and the first row of blocks contain green Floatie Viruses.
	Stage 384	Dr. Bowser Dr. Donkey Kong	The objective of this stage is to collect all Virus Coins and purple coins. In this stage, viruses in five groups of eight in the formation of rings are found in the corners and in the center, with the middle ones being covered in dust. In the middle of the dust viruses is a purple coin that will unlock the middle column of purple coins, and collecting the other coins will unlock the rest of the purple coins. Four flasks are initially half-frozen. Filled flasks in this stage will shoot out viruses.
	Stage 385	Dr. Baby Daisy Dr. Bowser	The objective of this stage is to unlock all doors and collect all pink coins from Brick Blocks. In this stage, Capsule Plus capsules are found in the odd-numbered columns, along with bubbles containing exploders and a shell in the row above the bottom-most row of Capsule Plus capsules and viruses in the other rows between Capsule Plus capsules and doors. Brick Blocks are found in the even-numbered rows and each contains pink coins. Two crates are found in the third row of this stage.
	Stage 386	Dr. Fire Rosalina Dr. Roy	The objective of this stage is to eliminate all viruses. This stage is shaped like a fruit dangling on a tree. In this stage, viruses are found among fully frozen crates, and a Lock Blocks is found below the cages that contain flasks and viruses. Filled flasks in this stage will shoot out either viruses or exploders.
	Stage 387	Dr. Larry Dr. Luigi	The objective of this stage is to eliminate all viruses and collect all purple coins. This stage is shaped like a box with a cross pattern in the middle of it. In this stage, purple coins are found in the corners and colorful crates are on the sides, and in the middle, a cluster of purple coins and five viruses are found. The middle Caged Coins are only unlocked after the other purple coins are collected.
	Stage 388	Dr. Fire Rosalina Dr. Ludwig	The objective of this stage is to eliminiate all viruses. In this stage, four groups of viruses are found surrounded by crates, where one side can be broken with one hit while the other sides require four hits. Separating each group are barriers (active and inactive).
	Stage 389	Dr. Wendy Dr. Daisy	The objective of this stage is to eliminate all viruses and collect all pink coins from Brick Blocks. In this stage, exploders and half-frozen viruses are found, with some exploders surrounded by Brick Blocks that contain coins, and so cannot be matched normally.
	Stage 390	Dr. Mario Dr. Donkey Kong	The objective of this stage is to destroy all colorful crates and unlock all doors. In this stage, rows of Brick Blocks are found above barriers in odd-numbered columns, and doors are surrounded by colorful crates above the first row of Brick Blocks. Filled flasks in this stage will shoot out either viruses, exploders or barriers (active or inactive).
	Stage 391	Dr. Daisy Dr. Yoshi	The objective of this stage is to eliminate all viruses and collect all purple coins. In this stage, purple coins, Brick Blocks, Empty Blocks and Capsule Plus capsules are scattered on the field. Hidden viruses are found in the Brick Blocks.
	Stage 392	Dr. Koopa Troopa Dr. Baby Daisy	The objective of this stage is to unlock all doors. In this stage, crates are found in the bottom two rows. Keys and doors are found in even-numbered columns and are separated by Brick Blocks, with the ones in the second and eighth columns having fully frozen blocks. On the odd-numbered columns are bubble viruses.
	Stage 393	Dr. Dolphin Dr. Baby Mario	The objective of this stage is to collect all Virus Coins. In this stage, a combination of bubble viruses and Brick Blocks are found blocking larger Virus Coins, with a small Virus Coin being blocked by the middle bubble virus in the second bottom-most row. Filled flasks in this stage will shoot out either bubble viruses or Brick Blocks.
	Stage 394	Dr. Wendy Dr. Rosalina	The objective of this stage is to eliminiate all viruses, collect all purple coins and collect all pink coins in Brick Blocks. In this stage, diagonal lines of Empty Blocks, viruses, purple coins, barriers and Brick Blocks containing pink coins are arranged next to each other. Purple coins in the center diagonal line require the uncaged purple coins to be unlocked, and the purple coins near the top-left corner require all other purple coins to be collected before it is unlocked.
	Stage 395	Dr. Donkey Kong Dr. Bowser	The objective of this stage is to eliminate all viruses. In this stage, there are five sections separated by barriers and Empty Blocks. In the top and bottom sections within the barriers, Lock Blocks are found that will unlock the cages in the top section outside the barriers and the middle section.
	Stage 396	Dr. Baby Daisy Dr. Donkey Kong	The objective of this stage is to eliminate all viruses and collect all purple coins. In this stage, purple coins (caged and uncaged) are separated by Brick Blocks, with crates surrounding the area save for a lone Brick Block above the column of bubble viruses. After the unlocked purple coins are collected, the caged coins in the columns next to them are unlocked, followed by the columns next to them, and then finally the purple coins in the leftmost and rightmost columns are unlocked.
	Stage 397	Dr. Wendy Dr. Ludwig	The objective of this stage is to eliminate all viruses and destroy all Brick Blocks. In this stage, half-frozen ice fans are blocked by half-frozen Brick Blocks on three sides except the left for the bottom row of fans and the right for the top row of fans. Occupying the gaps are viruses.
	Stage 398	Dr. Rosalina Dr. Donkey Kong	The objective of this stage is to eliminate all viruses. In this stage, viruses shrouded in clouds are found, along with a shell in a bubble next to them. Moreover, hidden viruses are found in the bottom-most row of Brick Blocks. At the top of the stage, viruses are found directly below colorful crates. In the same row as the colorful crates, bubble viruses are found. The top portion of viruses are surrounded by crates and bubble viruses, with an exploder in the middle.
	Stage 399	Dr. Roy Dr. Bowser	The objective of this stage is to eliminate all viruses. In this stage, half-frozen viruses in groups of two in a row are surrounded by crates at the top and bottom of them, and a barrier in the same row as them. In the middle are Brick Blocks in three diagonal lines, with viruses placed above the Brick Blocks except for the topmost one.
	Stage 400	Dr. Larry Dr. Rosalina	The final stage is a scrolling stage that requires all viruses to be eliminated and all doors to be unlocked. Keys are found in the bottom-most row, and it starts out with three rows of blue colorful crates with with a number of like-colored viruses in a row above them. The next three rows contain Lock Blocks locking colorful crates are found, along with the corresponding Lock Block, viruses and a door in the middle. Above that is a row containing doors in the other odd-numbered columns and green cages locking Brick Blocks and the corresponding Lock Block. The next row contains viruses and a set of red cages, in which the Lock Block is located in the row above along with viruses and doors in the even-numbered columns. This stage will scroll for one line each time enough objects are cleared, and will stop after 7 lines are introduced. Once it is cleared, the remaining area of the stage map gets cleared of viruses, and players can access World 11. Upon completion, players earn a free Staff Ticket that lets them unlock either a new doctor, a new assistant, or leveling up an existing doctor or assistant.

Challenge stages

Image	Stage	Best Doctors	Overview
	Stage 10A	Dr. Toadette Dr. Wario	Within a 75 second time limit, players need to eliminate all viruses. In this stage, active barriers in the even-numbered columns are locked behind cages, with a Lock Block in the middle column. In the odd-numbered columns, viruses and inactive barriers are found in alternating places.
	Stage 10B	Dr. Baby Daisy Dr. Wario	Within a 50 second time limit, players need to eliminate all viruses and clear all barriers. In this stage, viruses and shells are found on the left side and barriers are found on the right. When the stage begins, the top three rows of barriers are inactive while the rest of the barriers are active.
	Stage 10C	Dr. Roy Dr. Wario	Within a 95 second time limit, players need to eliminate all viruses and clear all crates. In this stage, the barriers form four quartets, with each section containing twelve viruses surrounding crates each requiring four clears to break. Active barriers are found in the middle column and inactive barriers are found in the middle row, with a shell in the intersection.

Special Stage

Image	Stage	Best Doctors	Overview
	Special Stage	Dr. Roy Dr. Fire Mario	The objective of this stage is to eliminate all viruses and clear all barriers. In this stage, lines with six active barriers and a virus and lines with crates and three Brick Blocks containing hidden viruses alternate starting from the bottom-most line, with the second-last line containing five active barriers and two viruses, and finally ending with a row of Empty Blocks. This stage will scroll for one line each time enough objects are cleared, and will stop after 7 lines are introduced. Completing this stage awards the player 1000 coins and Dr. Dry Bowser.

Profiles

• Dr. Mario World Twitter:
  • Red: "I hear that new stages are being added on Dec. 11. Brrr…I think I'm gonna catch a cold just looking at it… Just kidding! I looove cool, dry places. Come and play, but be sure to keep warm!"
  • Red: "Hey! I heard new stages will be added Dec. 26 at 1 AM PT. But, that's not all! The reward for clearing the Special Stage is a new doctor. Who could it be?"