Games like Ten Color Days
Games like Ten Color Days include Vampire Survivors, SANABI, Timberman, Exit the Gungeon, and Rogue Legacy 2. We matched them by the tags players give Ten Color Days on Steam (Action, Arcade, 2D Platformer, 2D, and Abstract): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: 2D · Arcade · Action

SANABI
Shared: Action · 2D Platformer · 2D

Timberman
Shared: Action · 2D · Arcade

Exit the Gungeon
Shared: Arcade · Action · 2D

Rogue Legacy 2
Shared: Arcade · Action · Indie

A Dance of Fire and Ice
Shared: Arcade · 2D · Indie

UFO 50
Shared: Action · Arcade · 2D

Streets of Rage 4
Shared: Action · 2D · Arcade

Planet of Lana
Shared: Action · 2D Platformer · Female Protagonist

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

Twin Shot Deluxe
Shared: Action · Arcade · 2D Platformer

Downwell
Shared: Arcade · Action · 2D Platformer

Annalynn
Shared: Action · Arcade · 2D Platformer

One Finger Death Punch
Shared: Action · 2D · Indie

Fight'N Rage
Shared: Action · 2D · Arcade

Celeste
Shared: 2D Platformer · Indie · 2D

Pizza Tower
Shared: 2D Platformer · Indie · Action

Milk outside a bag of milk outside a bag of milk
Shared: Multiple Endings · Psychological · Abstract

pureya
Shared: Arcade · 2D · Action

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · 2D · Action

Sixtar Gate: STARTRAIL
Shared: Action · Arcade · 2D

Cyberhunt
Shared: Action · Arcade · Indie

ICEY
Shared: Action · 2D · Female Protagonist

One Finger Death Punch 2
Shared: Action · 2D · Indie