Free games like Shadowgrounds
Below are 8 free-to-play Steam games similar to Shadowgrounds, 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 Shadowgrounds page.
Ranked picks
- 1
POSTAL
Free-to-play alternative to Shadowgrounds — no purchase or trial window. Shares Action with Shadowgrounds.
Take control of The POSTAL Dude in his infamous first outing as he battles to survive in a world gone mad! POSTAL is a classic isometric shooter filled to the brim with fast-paced explosive action.
- 2
Alien Swarm
Free-to-play alternative to Shadowgrounds — no purchase or trial window. Shares Action with Shadowgrounds.
Co-operative multiplayer game and complete code base available for free.
- 3
Waves
Free-to-play alternative to Shadowgrounds — no purchase or trial window. Shares Action with Shadowgrounds.
Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!
- 4
I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1
Free-to-play alternative to Shadowgrounds — no purchase or trial window. Shares Action with Shadowgrounds.
A top down twin stick zombie slaying shooter that you are sure to play again and again!
- 5
SAS: Zombie Assault 4
Free-to-play alternative to Shadowgrounds — no purchase or trial window. Shares Action with Shadowgrounds.
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
- 6
Intravenous 2: Mercenarism
Free-to-play alternative to Shadowgrounds — no purchase or trial window. Shares Action with Shadowgrounds.
Playing as Gideon, a cold-hearted mercenary willing to kill for money without any moral principles, you'll have tactical freedom with a wide variety of weapons and special gadgets to complete your mission in the prologue of Intravenous 2.
- 7
10 Minutes Till Dawn
Free-to-play alternative to Shadowgrounds — no purchase or trial window. Shares Action with Shadowgrounds.
Shoot down an ever growing horde of Lovecraftian monsters. Choose from a variety of upgrades to create unique and game-breaking builds. Unlock a diverse cast of characters and weapons with unique powers.
- 8
Chicken Invaders Universe
Free-to-play alternative to Shadowgrounds — no purchase or trial window. Shares Action with Shadowgrounds.
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.