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
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!
- 8
Blockstorm
Free-to-play alternative to Space Duke — no purchase or trial window. Shares Indie with Space Duke.
Blockstorm is a FPS game set in a world made of destructible blocks. All maps and characters included in the game are made with the same tools that are available to the public. You can build everything in Blockstorm, and you can destroy it.