Games like Donut Adventure
Games like Donut Adventure include Brawlhalla, Sonic Superstars, SANABI, Kingdom Rush - Tower Defense, and SHINOBI: Art of Vengeance. We matched them by the tags players give Donut Adventure on Steam (Casual, Action, 2D Platformer, 2D, and Hand-drawn): closest matches first, and among equally close ones the better-known games.

Brawlhalla
Shared: Casual · 2D Platformer · Free to Play

Sonic Superstars
Shared: Action · 2D Platformer · Casual

SANABI
Shared: Action · 2D Platformer · 2D

Kingdom Rush - Tower Defense
Shared: 2D · Casual · Singleplayer

SHINOBI: Art of Vengeance
Shared: Action · 2D Platformer · 2D

Where Winds Meet
Shared: Free to Play · Singleplayer · Action-Adventure

ANTONBLAST
Shared: 2D Platformer · Action · 2D

Sonic Origins
Shared: Action · 2D Platformer · Casual

DJMAX RESPECT V
Shared: Casual · Action · 2D

Marvel’s Spider-Man Remastered
Shared: Action · Singleplayer · Action-Adventure

Jianghu Survivor
Shared: Casual · Action · Action-Adventure

Hoa
Shared: 2D Platformer · Hand-drawn · Action-Adventure

Castlevania: Belmont's Curse
Shared: Action · 2D Platformer · Action-Adventure

Janosik
Shared: Action · Casual · 2D Platformer

BlazBlue Entropy Effect
Shared: Action · 2D · Action-Adventure

Timberman
Shared: Casual · Action · 2D

Vampire Survivors
Shared: 2D · Casual · Singleplayer

Castlevania Advance Collection
Shared: Action · 2D Platformer · Action-Adventure

Halo Infinite
Shared: Action · Free to Play · Singleplayer

Kingdom Rush Origins - Tower Defense
Shared: 2D · Casual · Singleplayer

Constance
Shared: Action · 2D · Action-Adventure

Sonic Colors: Ultimate
Shared: Casual · Action · Action-Adventure

Momoka (wo) Wasshoi
Shared: Casual · Action · 2D Platformer

Super Fancy Pants Adventure
Shared: Action · Casual · 2D