Free games like Casus
Below are 9 free-to-play Steam games similar to Casus, 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 Casus page.
Ranked picks
- 1
Doki Doki Literature Club!
Free-to-play alternative to Casus — no purchase or trial window. Shares Indie with Casus.
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
Helltaker
Free-to-play alternative to Casus — no purchase or trial window. Shares Indie and Adventure with Casus.
Helltaker is a short game about sharply dressed demon girls.
- 3
Ultimate Custom Night
Free-to-play alternative to Casus — no purchase or trial window. Shares Indie with Casus.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 4
ENA: Dream BBQ
Free-to-play alternative to Casus — no purchase or trial window. Shares Indie and Adventure with Casus.
Experience surreal environments and inexplicable characters as ENA in a new wild world.
- 5
Indigo Park: Chapter 1
Free-to-play alternative to Casus — no purchase or trial window. Shares Indie and Adventure with Casus.
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.
- 6
The Looker
Free-to-play alternative to Casus — no purchase or trial window. Shares Indie with Casus.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 7
NGU IDLE
Free-to-play alternative to Casus — no purchase or trial window. Shares Indie and Adventure with Casus.
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!
- 8
Grimm's Hollow
Free-to-play alternative to Casus — no purchase or trial window. Shares Indie and Adventure with Casus.
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.
- 9
Night Spasm
Free-to-play alternative to Casus — no purchase or trial window. Shares Strategy and Indie with Casus.
Night Spasm is a meta-narrative open-world adventure game that adapts to your real-life philosophies and worldviews. From the characters you befriend to the quests you take, the game tracks and remembers your every move to create an adventure-... you're NOT a part of??