Free games like System Purge
Below are 8 free-to-play Steam games similar to System Purge, 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 System Purge page.
Ranked picks
- 1
Intravenous 2: Mercenarism
Free-to-play alternative to System Purge — no purchase or trial window. Shares Action and Indie with System Purge.
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.
- 2
SAS: Zombie Assault 4
Free-to-play alternative to System Purge — no purchase or trial window. Shares Action with System Purge.
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.
- 3
死寂（Deathly Stillness）
Free-to-play alternative to System Purge — no purchase or trial window. Shares Action and Indie with System Purge.
This is a boring zombie game with no plot, not an officially released game, please don't have high expectations.
- 4
Bloody Hell
Free-to-play alternative to System Purge — no purchase or trial window. Shares Action and Indie with System Purge.
A short but sweet game about an Angel on a Bloody Bullet-hell mission to kill Satan! Dash, Double Dash, Grapple & Blast your way through Hell to fulfill your Holy Mission. Will you be able to kill Satan? Or will you fail to master your abilities and DIE in this BLOODY HELL?
- 5
You Have to Win the Game
Free-to-play alternative to System Purge — no purchase or trial window. Shares Action and Indie with System Purge.
You Have to Win the Game is a free exploration platformer with a retro 1980s PC aesthetic.
- 6
PAPERHEAD EP.0
Free-to-play alternative to System Purge — no purchase or trial window. Shares Action and Indie with System Purge.
In this cute cardboard world, something went horribly wrong... You wake up in a prison cell. A strange voice calls to you from the depths of dark corridors covered in runic symbols and blood. Reload your trusty shotgun and find out... WHY WOULD CARDBOARD... BLEED?
- 7
Hellbound: Survival Mode
Free-to-play alternative to System Purge — no purchase or trial window. Shares Action and Indie with System Purge.
FULL GAME NOW AVAILABLE. GO GET IT! This is the Free Survival Mode for Hellbound: a '90s style First Person Shooter, made 30 years later… but just a glimpse of the full game, go check it out!
- 8
Nightmare House: The Original Mod
Free-to-play alternative to System Purge — no purchase or trial window. Shares Action and Indie with System Purge.
Wake up, it’s time for the real nightmare to begin. Make your way through a terrorizing house, uncover the secrets of a haunted hospital, fight through hordes of the undead, and try to escape Nightmare House.