Single-player games like Endless Summer Syndrome
Below are 8 single-player Steam games similar to Endless Summer Syndrome, 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 Endless Summer Syndrome page.
Ranked picks
- 1
Thorner
Single-player alternative to Endless Summer Syndrome — playable solo, no multiplayer required. Shares Indie and Adventure with Endless Summer Syndrome.
Thorner is a horror visual novel with multiple endings. You attempt to escape your past by fleeing to the wilderness, but spilled blood can never be forgiven. The land knows what you did. The land judges. Thorner awaits.
- 2
LUNADUN: LUNATIC DUNGEON
Single-player alternative to Endless Summer Syndrome — playable solo, no multiplayer required. Shares Adventure with Endless Summer Syndrome.
You choose a favorite and walk beside them. But those you left behind — where do they go while you're gone? LUNADUN: LUNATIC DUNGEON is an emotional VN where choices shape the fate of four characters. 'The ones you loved, the ones you ignored — you don't get to walk away from either of them.'
- 3
REQUIRED SYNERGY WORKSHOP: Deja Damnation
Single-player alternative to Endless Summer Syndrome — playable solo, no multiplayer required. Shares Adventure with Endless Summer Syndrome.
A slow-burn psychological horror narrative adventure where every choice leaves a trace. Across nine chapters, unstable memories and fragile relationships pull you into a story where trust always comes with a cost.
- 4
NULL
Single-player alternative to Endless Summer Syndrome — playable solo, no multiplayer required. Shares Adventure with Endless Summer Syndrome.
NULL is an alternate reality game where you talk with Mere, an AI companion, by voice or text. Lost in a strange digital world with no memory of your past, explore eight surreal chapters, face psychological challenges, and choose between staying human or becoming digital.
- 5
CITADEL
Single-player alternative to Endless Summer Syndrome — playable solo, no multiplayer required. Shares Indie and Adventure with Endless Summer Syndrome.
Awake from your slumber and venture out to the mighty CITADEL.
- 6
CORVIDTALISM: Win at Life
Single-player alternative to Endless Summer Syndrome — playable solo, no multiplayer required. Shares Indie and Adventure with Endless Summer Syndrome.
Help a lazy low life get back up on his feet. Make him work, use persuasion, ignore his cries, and make choices for him. "Don't say you don't want to win at life."
- 7
waga-mom
Single-player alternative to Endless Summer Syndrome — playable solo, no multiplayer required. Shares Indie and Adventure with Endless Summer Syndrome.
――My curfew is 8 PM. Having a helicopter mom is annoying, but it's not a big deal.
- 8
This Is Not Your House
Single-player alternative to Endless Summer Syndrome — playable solo, no multiplayer required. Shares Indie and Adventure with Endless Summer Syndrome.
Crush someone's skull, Suffer from Hypothermia, Transcend your Mortal Frame, Find all 10 Endings. GET YOUR HOUSE BACK.