Games like Mars 2099
Games like Mars 2099 include Bit Blaster XL, Planes, Bullets and Vodka, METAL SLUG X, ARCADE GAME SERIES: GALAGA, and Warhammer 40,000: Boltgun. We matched them by the tags players give Mars 2099 on Steam (Action, Arcade, Shoot 'Em Up, Pixel Graphics, and Space): closest matches first, and among equally close ones the better-known games.
Bit Blaster XL
Shared: Shoot 'Em Up · Arcade · Action
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Arcade
METAL SLUG X
Shared: Action · Arcade · Shoot 'Em Up
ARCADE GAME SERIES: GALAGA
Shared: Action · Arcade · Shoot 'Em Up
Warhammer 40,000: Boltgun
Shared: Action · Pixel Graphics · Retro
LUFTRAUSERS
Shared: Arcade · Action · Pixel Graphics
Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Difficult
BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up
Cyberhunt
Shared: Action · Shoot 'Em Up · Arcade
ZeroRanger
Shared: Shoot 'Em Up · Action · Arcade
Orbt XL
Shared: Arcade · Action · Difficult
Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Retro · Action
Super Galaxy Squadron EX Turbo
Shared: Action · Shoot 'Em Up · Arcade
Blazing Chrome
Shared: Action · Pixel Graphics · Retro
Vampire Survivors
Shared: Pixel Graphics · Arcade · Action
PAC-MAN™ Championship Edition DX+
Shared: Arcade · Action · Retro
TEKKEN 7
Shared: Action · Arcade · Controller
METAL SLUG
Shared: Action · Arcade · Shoot 'Em Up
Star Saviors
Shared: Action · Shoot 'Em Up · Arcade
UFO 50
Shared: Action · Pixel Graphics · Arcade
Ikaruga
Shared: Shoot 'Em Up · Arcade · Action
METAL SLUG 3
Shared: Arcade · Action · Retro
UBERMOSH Vol.5
Shared: Action · Arcade · Pixel Graphics
SANABI
Shared: Action · Pixel Graphics · Singleplayer