Free games like Anomaly Operation
Below are 9 free-to-play Steam games similar to Anomaly Operation, 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 Anomaly Operation page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Anomaly Operation — no purchase or trial window. Shares Indie with Anomaly Operation.
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
Ultimate Custom Night
Free-to-play alternative to Anomaly Operation — no purchase or trial window. Shares Indie with Anomaly Operation.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 3
The Murder of Sonic the Hedgehog
Free-to-play alternative to Anomaly Operation — no purchase or trial window. Shares Indie and Simulation with Anomaly Operation.
Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!
- 4
Indigo Park: Chapter 1
Free-to-play alternative to Anomaly Operation — no purchase or trial window. Shares Indie with Anomaly Operation.
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.
- 5
missed messages.
Free-to-play alternative to Anomaly Operation — no purchase or trial window. Shares Indie and Simulation with Anomaly Operation.
‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.
- 6
NGU IDLE
Free-to-play alternative to Anomaly Operation — no purchase or trial window. Shares Indie and Simulation with Anomaly Operation.
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 Anomaly Operation — no purchase or trial window. Shares Indie with Anomaly Operation.
Awaria is a short game about working in haunted maintenance tunnels.
- 8
Steam Engine Simulator
Free-to-play alternative to Anomaly Operation — no purchase or trial window. Shares Simulation with Anomaly Operation.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 9
Mech Mechanic Simulator: Prologue
Free-to-play alternative to Anomaly Operation — no purchase or trial window. Shares Indie and Simulation with Anomaly Operation.
Become a Mech Mechanic to deconstruct, rebuild, paint and fix gigantic iron machines. You live in an age of enormous machines and you better get ready to get your hands dirty!