Games like Colony - Arena Online
Games like Colony - Arena Online include Warhammer 40,000: Space Marine 2, The Callisto Protocol™, HELLDIVERS™ 2, PRAGMATA, and Tomb Raider Game of the Year. We matched them by the tags players give Colony - Arena Online on Steam (Action, Adventure, Shooter, Space, and PvE): closest matches first, and among equally close ones the better-known games.

Warhammer 40,000: Space Marine 2
Shared: Action · Adventure · PvE

The Callisto Protocol™
Shared: Space · Shooter · Third-Person Shooter

HELLDIVERS™ 2
Shared: PvE · Action · Shooter

PRAGMATA
Shared: Action · Adventure · Third-Person Shooter

Tomb Raider Game of the Year
Shared: Action · Adventure · Action-Adventure

Grand Theft Auto V Legacy
Shared: Action · Shooter · Adventure

Star Wars Outlaws
Shared: Action · Adventure · Action-Adventure

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

REMNANT II®
Shared: Action · Adventure · Shooter

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Space

Red Dead Redemption 2
Shared: Adventure · Action · Shooter

STAR WARS Jedi: Survivor™
Shared: Action · Adventure · Action-Adventure

Rise of the Tomb Raider™
Shared: Action · Adventure · Action-Adventure

Marvel's Guardians of the Galaxy
Shared: Action · Action-Adventure · Adventure

Escape From Duckov
Shared: Action · Adventure · Shooter

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Third-Person Shooter

Dead Space
Shared: Space · Shooter · Third-Person Shooter

EVERSPACE™ 2
Shared: Shooter · Space · Adventure

Ratchet & Clank: Rift Apart
Shared: Adventure · Action · Action-Adventure

STAR WARS™: Bounty Hunter™
Shared: Action · Adventure · Space

UNCHARTED™: Legacy of Thieves Collection
Shared: Adventure · Action-Adventure · Action

Warframe
Shared: Action · Third-Person Shooter · PvE

Just Cause™ 3
Shared: Action · Shooter · Adventure

Watch Dogs®: Legion
Shared: Action · Adventure · Shooter