Games like Space Demon Combat Tactics III
Games like Space Demon Combat Tactics III include STAR WARS™ Battlefront™ II, Half-Life 2, BioShock Infinite, Mass Effect™ Legendary Edition, and Bit Blaster XL. We matched them by the tags players give Space Demon Combat Tactics III on Steam (Action, Arcade, Shooter, Shoot 'Em Up, and 2D): closest matches first, and among equally close ones the better-known games.

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Space

Half-Life 2
Shared: Action · Sci-fi · Shooter

BioShock Infinite
Shared: Action · Shooter · Story Rich

Mass Effect™ Legendary Edition
Shared: Sci-fi · Action · Story Rich

Bit Blaster XL
Shared: Shoot 'Em Up · Shooter · Arcade

Halo Infinite
Shared: Action · Shooter · Singleplayer

Star Saviors
Shared: Action · Shoot 'Em Up · Arcade

Black Mesa
Shared: Action · Sci-fi · Shooter

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Sci-fi

Nova Drift
Shared: Shoot 'Em Up · Arcade · Shooter

STAR WARS Jedi: Survivor™
Shared: Action · Sci-fi · Singleplayer

Mass Effect (2007)
Shared: Action · Sci-fi · Space

ARCADE GAME SERIES: GALAGA
Shared: Action · Arcade · Shoot 'Em Up

Ikaruga
Shared: Arcade · Shoot 'Em Up · Action

Marvel's Guardians of the Galaxy
Shared: Action · Story Rich · Singleplayer

METAL SLUG
Shared: Action · Arcade · 2D

Titanfall® 2
Shared: Shooter · Action · Sci-fi

HELLDIVERS™ 2
Shared: Action · Shooter · Sci-fi

ZeroRanger
Shared: Shoot 'Em Up · Action · Arcade

Dead Space (2008)
Shared: Action · Sci-fi · Space

The Callisto Protocol™
Shared: Sci-fi · Shooter · Space

Halo: Campaign Evolved
Shared: Action · Shooter · Sci-fi

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

DRAINUS
Shared: Action · Shoot 'Em Up · Shooter