Free games like Space Duke
Below are 8 free-to-play Steam games similar to Space Duke, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Space Duke page.
Ranked picks
- 1
Redmatch 2
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie with Space Duke.
A free fast-paced online multiplayer FPS with grapple hooks where you upgrade your stats with kills!
- 2
BRAIN / OUT
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie with Space Duke.
Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!
- 3
CS2D
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie and Casual with Space Duke.
CS2D is a free fast-paced top-down multiplayer shooter. Featuring many different game modes, a built-in map editor and much more.
- 4
Shooty Skies
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie with Space Duke.
The creators of Crossy Road present Shooty Skies! Shoot, dodge, duck, goose and weave. Take to the skies!
- 5
1982
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie and Casual with Space Duke.
1982 is a FREE retro inspired blasta-thon that will test your gaming skills to the max.
- 6
Pink Heaven
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie with Space Duke.
A certain office lady is back!!
- 7
Sands of Skullcreek
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie and Casual with Space Duke.
Shoot it out against crazed bandits in order to save this Old Western town from destruction in this single-sitting, retro-style first person shooter.
- 8
Rocky Mayhem
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie and Casual with Space Duke.
Systems are down and require time to repair, leaving you with a basic gunship with no hopes of escaping an aggressive asteroid event. Will you be able to survive the increasingly difficult 6 minutes to repair the ship's functions and escape? Also discover a variety of genres, all in one game!