Games like TARS
Games like TARS include SANABI, Celeste, Katana ZERO, Sonic Origins, and Hollow Knight. We matched them by the tags players give TARS on Steam (2D Platformer, Casual, Indie, Action, and Adventure): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: 2D Platformer · Action · Adventure

Celeste
Shared: Indie · 2D Platformer · Platformer

Katana ZERO
Shared: Action · 2D Platformer · Indie

Sonic Origins
Shared: 2D Platformer · Action · Adventure

Hollow Knight
Shared: Platformer · Indie · Singleplayer

Pizza Tower
Shared: 2D Platformer · Indie · Platformer

F.I.S.T.: Forged In Shadow Torch
Shared: Action · 2D Platformer · Platformer

BEEP
Shared: Indie · Adventure · Platformer

Hollow Knight: Silksong
Shared: Indie · Singleplayer · Platformer

Sonic Superstars
Shared: 2D Platformer · Action · Casual

Super Meat Boy
Shared: 2D Platformer · Indie · Platformer

Dust: An Elysian Tail
Shared: Action · Indie · Platformer

Planet of Lana
Shared: Action · 2D Platformer · Singleplayer

Super Fancy Pants Adventure
Shared: Action · Indie · Casual

Ori and the Will of the Wisps
Shared: Action · Platformer · Singleplayer

Pikuniku
Shared: Indie · Casual · Adventure

Skul: The Hero Slayer
Shared: Indie · Action · Singleplayer

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Casual · Adventure · Action

Shovel Knight: Treasure Trove
Shared: Indie · Platformer · Adventure

Minimalism
Shared: Casual · Indie · Action

DuckTales: Remastered
Shared: Adventure · Action · Casual

Florence
Shared: Casual · Indie · Adventure

A Story About My Uncle
Shared: Adventure · Indie · Singleplayer

Downwell
Shared: Indie · 2D Platformer · Platformer