Free games like SULFUR
Below are 8 free-to-play Steam games similar to SULFUR, 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 SULFUR page.
Ranked picks
- 1
Helltaker
Free-to-play alternative to SULFUR — no purchase or trial window. Shares Indie and Adventure with SULFUR.
Helltaker is a short game about sharply dressed demon girls.
- 2
Ultimate Custom Night
Free-to-play alternative to SULFUR — no purchase or trial window. Shares Action and Indie with SULFUR.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 3
Indigo Park: Chapter 1
Free-to-play alternative to SULFUR — no purchase or trial window. Shares Action and Indie with SULFUR.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 4
STRAFTAT
Free-to-play alternative to SULFUR — no purchase or trial window. Shares Action with SULFUR.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 5
Counter-Strike:Global Offensive
Free-to-play alternative to SULFUR — no purchase or trial window. Shares Action with SULFUR.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 6
NGU IDLE
Free-to-play alternative to SULFUR — no purchase or trial window. Shares Indie and Adventure with SULFUR.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 7
Awaria
Free-to-play alternative to SULFUR — no purchase or trial window. Shares Action and Indie with SULFUR.
Awaria is a short game about working in haunted maintenance tunnels.
- 8
Grimm's Hollow
Free-to-play alternative to SULFUR — no purchase or trial window. Shares Indie and Adventure with SULFUR.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.