Single-player games like Submachine: Legacy
Below are 9 single-player Steam games similar to Submachine: Legacy, 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 Submachine: Legacy page.
Ranked picks
- 1

Vertigo Enigma
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with Submachine: Legacy.
Congratulations! You have been chosen for Vertigo Enigma. A narrative puzzle experiment where your logic and observation are the test. Until it glitches. Until you understand what "chosen" means...
- 2

Magnus Positive Phototaxis
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with Submachine: Legacy.
Magnus Positive Phototaxis is an atmospheric journey through a mysterious world of characters, traces and symbols. The task of the player is to solve the puzzles, using proper combinations of objects, finding them in the environment around him.
- 3

Dabado Puzzles
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with Submachine: Legacy.
Adventure/exploration puzzler, where you build constructions from blocks, collect score items, light and buttons. Exploring the mysterious island, you meet unique characters and complete quests.
- 4

Opus Cortex: A Nonogram Puzzle Story
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie with Submachine: Legacy.
Solve captivating nonogram puzzles to recover your lost memories. As a newly awakened AI, every puzzle you complete reveals a piece of the truth about your past and the dangers facing the world. Unravel the mystery, pixel by pixel.
- 5

Slice of Sea
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with Submachine: Legacy.
Slice of Sea is a peaceful adventure and puzzle game. You play as Seaweed, a sea creature clearly out of their element. Explore desolate world of dust, all hand-drawn on paper in unique art style. Collect items, solve puzzles and lead Seaweed back home to the sea.
- 6

Lone McLonegan : A Western Adventure
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with Submachine: Legacy.
Lone McLonegan is an old-school point-n-click adventure game inspired by old westerns with touches of acid humor. Help Lone become "The Most Wanted Outlaw In The Wild West" as you tackle fun puzzles and meet quirky characters.
- 7

Punzel: Chapter I - Toujours la Meme Histoire
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with Submachine: Legacy.
Imagine you are a captured princess...but the hero never arrives. Join Punzel in her adventure of trying to escape her tower prison. Experience the boredom of captivity, the daily frustrations of haggling with your captors and crows. Lots of crows.
- 8

Gnomdom
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with Submachine: Legacy.
Gnomdom is a point & click puzzle game where you find little gnomes stuck in various places and help them return to their home.
- 9

Daymare Town
Single-player alternative to Submachine: Legacy — playable solo, no multiplayer required. Shares Indie and Adventure with Submachine: Legacy.
Daymare Town is a hand-drawn puzzle adventure game. You find yourself in a heart of a strange city populated by peculiar Metamorph creatures. This town is full of nooks and crannies, puzzles, secrets and items to collect to help you along the way. Can you escape the nightmare of a day?