Single-player games like The Portsmoor Abysm
Below are 8 single-player Steam games similar to The Portsmoor Abysm, 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 The Portsmoor Abysm page.
Ranked picks
- 1
Puzzle Depot
Single-player alternative to The Portsmoor Abysm — playable solo, no multiplayer required. Shares Indie with The Portsmoor Abysm.
A box-pushing, bug-squishing, post-apocalyptic adventure awaits you in Puzzle Depot! Challenge hundreds of meticulously designed rooms that expand on classic sokoban gameplay with new and creative mechanics. Build your own devious creations with the included level editor!
- 2
Moonlit Dreams
Single-player alternative to The Portsmoor Abysm — playable solo, no multiplayer required. Shares Indie with The Portsmoor Abysm.
A sokoban game with overlapping levels, inside a dreamscape you'll never want to leave. Push blocks, open doors, traverse mazes, and then do it again across and between three layers of psyche.
- 3
UwUbUwU
Single-player alternative to The Portsmoor Abysm — playable solo, no multiplayer required. Shares Strategy and Indie with The Portsmoor Abysm.
UwUbUwU is a small cozy puzzle game based on a simple idea: What if you took classic Snake but inverted the goal and made it so you have to form a loop by eating your own tail.
- 4
Steps To The Stars
Single-player alternative to The Portsmoor Abysm — playable solo, no multiplayer required. Shares Indie with The Portsmoor Abysm.
A single player puzzle game following the journey of two stars as they climb to return to the constellation from which they have fallen.
- 5
BarrelBots
Single-player alternative to The Portsmoor Abysm — playable solo, no multiplayer required. Shares Strategy and Indie with The Portsmoor Abysm.
A multilayered grid-based puzzle game featuring small robots that carry and stack Barrels of nuclear waste.
- 6
Thothic
Single-player alternative to The Portsmoor Abysm — playable solo, no multiplayer required. Shares Indie with The Portsmoor Abysm.
Thothic is a logic puzzle game where you land stones on their glowing targets. But all stones move together, in the same direction — so you'll need to find the one path that brings every stone home at once.
- 7
Block Buster Billy
Single-player alternative to The Portsmoor Abysm — playable solo, no multiplayer required. Shares Strategy and Indie with The Portsmoor Abysm.
An alien family had a picnic on Billy's island. They had to leave in a hurry, causing Junior to forget his cubes. Can you help Billy figure out the mind-boggling alien puzzles?
- 8
Estigia
Single-player alternative to The Portsmoor Abysm — playable solo, no multiplayer required. Shares Indie with The Portsmoor Abysm.
Defeat the eleven Gods of the Greek underworld in this turn-based sliding puzzle. Your fate hangs in the balance. No tutorials, no text. Just your soul and your wits.