Single-player games like Ephialtes
Below are 9 single-player Steam games similar to Ephialtes, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Ephialtes page.
Ranked picks
- 1
OtherSoul
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
In this horror game, you must do everything you can to escape the demon’s clutches alive. Your soul is at stake. You will be saved or you will be damned forever. Remember, in the game, your choices can affect the people most important to you. Protect them and your mental state! Fight to the end!
- 2
The Cullfield Ritual
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
Take part in a dangerous ritual game that requires you to travel between reality and the "Spiritual Realm"
- 3
Psycho Reign
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
Psycho Reign is a Single or 2 player co-operative online horror puzzle and stealth game where in each level you will be chased by blood thirsty psychos. Look for and solve mini puzzles in order to progress further on the map. Ultimately, find something to fight back...or get chopped up.
- 4
Bughouse
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
Play as Christopher, a kid left home alone with a terrifying STALKER on the loose! Try and survive in this 80's, PS1 inspired, Home Invasion Survival Horror game - OR DIE TRYING!
- 5
It Steals
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
AROUND EVERY CORNER. Face against stealthy antagonists that will take advantage of your expectations.
- 6
SUKUR
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
ŞÜKÜR, It is a horror-thriller game with a first-person story. From the moment you enter the game, you will feel that you are alone in the forest and you will try every way to escape.
- 7
INVITATION To FEAR
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
『INVITATION To FEAR』 is a survival horror game for 1 to 4 players. After receiving one of the invitations, you will wake up in an unfamiliar place. Before long, you will realize that a terrifying creature is wandering around the building. Don't let "her" find you.
- 8
Outlast
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.
- 9
Unredeemable
Single-player alternative to Ephialtes — playable solo, no multiplayer required. Shares Action and Indie with Ephialtes.
Search to escape the school halls and fight to be free from the guilt that haunts the past. Where monsters birthed are memories made manifest and your fate is yours alone. Experience a beautifully haunting narrative in this psychological survival horror as David Cook, a boy in search of his end.