Dr. Koopa World

Dr. Koopa World is HammerBro101 Incorporated's take on Dr. Mario World. It was released for mobile devices, PCs, and the Nintendo Switch on June 4, 2020, making it release almost a year after its source material. It does not rely on microtransactions, and characters are unlocked by completing certain tasks.
==Characters==
===Doctors===
Dr. Koopa World features several playable characters, each of whom has their own Special Item. Players start with Dr. Koopa when they first play the game and unlock Dr. Mario and Dr. Sasha after beating Stages 2 and 4 respectively, becoming available regardless of who the player chooses.
Image	Name 	Special Item 	Availability
 	Dr. Koopa 	Green Shell 	Available from the start.
 	Dr. Mario 	 	Unlockable; beat Stage 2.
 	Dr. Sasha 	 	
 	Dr. Paratroopa 	Paratroopa Shell	Unlockable; beat Stage 10.
 	 	 	
 	Dr. Ludwig von Koopa	 	
 	Dr. Iggy Koopa 	Chain Chomp 	
===Assistants===
Like doctors, the assistants have Special Items to aid the player. The player can have up to three assistants at once.
Image	Name 	Special Item	Availability
 	Yoshi	 	Unlockable; unlock Stage 5