Games like Takelshin
Games like Takelshin include SANABI, Sonic Origins, Pizza Tower, Shovel Knight: Treasure Trove, and Sonic Mania. We matched them by the tags players give Takelshin on Steam (Action, 2D Platformer, Adventure, Retro, and 1990's): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · 2D Platformer · Adventure

Sonic Origins
Shared: Action · 2D Platformer · Adventure

Pizza Tower
Shared: 2D Platformer · Action · Pixel Graphics

Shovel Knight: Treasure Trove
Shared: Retro · Action · Adventure

Sonic Mania
Shared: Retro · 2D · Action

Webbed
Shared: 2D Platformer · Pixel Graphics · Cute

Celeste
Shared: 2D Platformer · Pixel Graphics · Adventure

Katana ZERO
Shared: Action · 2D Platformer · Pixel Graphics

The Messenger
Shared: Retro · Action · 2D Platformer

UFO 50
Shared: Action · Retro · Pixel Graphics

Gato Roboto
Shared: Action · Adventure · Retro

Broforce
Shared: Action · Pixel Graphics · 2D

Super Meat Boy
Shared: 2D Platformer · 2D · Pixel Graphics

NINJA GAIDEN: Ragebound
Shared: Action · 2D Platformer · Retro

VVVVVV
Shared: 2D Platformer · Pixel Graphics · Retro

Lone Fungus
Shared: 2D Platformer · Adventure · Action

Narita Boy
Shared: Action · Adventure · Retro

Out There Somewhere
Shared: Adventure · Action · Pixel Graphics

Bloodstained: Curse of the Moon
Shared: Action · Retro · Pixel Graphics

Skul: The Hero Slayer
Shared: Action · Pixel Graphics · 2D

Door Kickers: Action Squad
Shared: 2D Platformer · Action · Retro

Grapple Dog
Shared: 2D Platformer · Action · 2D

Gravity Circuit
Shared: Action · 2D Platformer · 2D

Sonic Superstars
Shared: Action · 2D Platformer · Adventure

