Free games like Project Viper
Below are 10 free-to-play Steam games similar to Project Viper, 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 Project Viper page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Indie and Casual with Project Viper.
The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.
- 2
Life is Strange - Episode 1
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Adventure with Project Viper.
Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.
- 3
Ultimate Custom Night
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Indie with Project Viper.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 4
Bongo Cat
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Indie and Simulation with Project Viper.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 5
The Murder of Sonic the Hedgehog
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Indie and Simulation with Project Viper.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 6
Indigo Park: Chapter 1
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Indie and Adventure with Project Viper.
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.
- 7
missed messages.
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Indie and Simulation with Project Viper.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 8
NGU IDLE
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Indie and Adventure with Project Viper.
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!
- 9
OIL.EXE
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Strategy and Indie with Project Viper.
Drill the wells. Run the refinery. Read the market. OIL is a free text-based simulation of running a petroleum operation, played at a 1980s green-phosphor terminal. End each year richer or bankrupt. Mind the bear market. Climb the leaderboard.
- 10
Lareissa Everbright
Free-to-play alternative to Project Viper — no purchase or trial window. Shares Strategy and Indie with Project Viper.
Bursting with equipment, Gwenaelle is set to deliver a holy relic to Fort Trista. With each swing of her blade and snap of her bow, they dull and break. Mind each item well to survive this turn-based combat game with a tactical inventory management twist!