Games like Gravity Ace
Games like Gravity Ace include Vampire Survivors, Cyberhunt, Rhythm Doctor, Dome Keeper, and A Dance of Fire and Ice. We matched them by the tags players give Gravity Ace on Steam (Twin Stick Shooter, Arcade, 2D, Pixel Graphics, and Action): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Pixel Graphics · 2D · Arcade

Cyberhunt
Shared: Twin Stick Shooter · Arcade · Action

Rhythm Doctor
Shared: Level Editor · Pixel Graphics · 2D

Dome Keeper
Shared: Action · Sci-fi · Singleplayer

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

Geometry Dash
Shared: Level Editor · 2D · Singleplayer

Bit Blaster XL
Shared: Arcade · 2D · Controller

UFO 50
Shared: Pixel Graphics · Arcade · 2D

LUFTRAUSERS
Shared: Arcade · Pixel Graphics · 2D

Broforce
Shared: Pixel Graphics · 2D · Action

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

UBERMOSH
Shared: Pixel Graphics · Arcade · Action

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · 2D · Action

Ultratron
Shared: Arcade · Twin Stick Shooter · Action

Exit the Gungeon
Shared: Arcade · Action · Pixel Graphics

Warhammer 40,000: Boltgun
Shared: Pixel Graphics · Action · Arcade

Planes, Bullets and Vodka
Shared: Arcade · Action · 2D

BALL x PIT
Shared: Arcade · Action · Pixel Graphics

Timberman
Shared: Pixel Graphics · 2D · Arcade

CARRION
Shared: Pixel Graphics · Action · 2D

SANABI
Shared: Pixel Graphics · Action · 2D

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

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · 2D

Windowkill
Shared: Arcade · Twin Stick Shooter · Action