Single-player games like Gravia
Below are 8 single-player Steam games similar to Gravia, 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 Gravia page.
Ranked picks
- 1

Cubin
Single-player alternative to Gravia — playable solo, no multiplayer required. Shares Action with Gravia.
Cubin is a first-person platform puzzle game that immerses you in the LGA experience. Complete 60 experiments to discover the truth about this simulation.
- 2

Portal 2
Single-player alternative to Gravia — playable solo, no multiplayer required. Shares Action with Gravia.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 3

Re:Touring
Single-player alternative to Gravia — playable solo, no multiplayer required. Shares Indie with Gravia.
Re:Touring is a first-person puzzle game in which you'll explore the abandoned Luoni Energy Competence Center. Using a retro-style computer, you'll create color patterns to progress through the levels.
- 4

Portal
Single-player alternative to Gravia — playable solo, no multiplayer required. Shares Action with Gravia.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
- 5

System of Souls
Single-player alternative to Gravia — playable solo, no multiplayer required. Shares Action and Indie with Gravia.
SoS is a puzzle and first-person platform game, where you play as L-064N, who wakes up in The ION laboratory, place where you will have to go through different logical trials created by the artificial intelligence of the place, in order to recover memories and understand this enigmatic world.
- 6

Road To Devadatta
Single-player alternative to Gravia — playable solo, no multiplayer required. Shares Indie with Gravia.
Road to Devadatta is a first-person adventure game focused on story and puzzle solving to advance. Explore ancient ruins Use your wits to escape from them, solve their ingenious puzzles and avoid being killed by the creatures that inhabit them.
- 7

Invertigo
Single-player alternative to Gravia — playable solo, no multiplayer required. Shares Indie with Gravia.
INVERTIGO is a first-person sci-fi puzzle-platformer where you have to manipulate gravity to solve puzzles. Explore the abandoned facility and make use of gravity manipulation to advance through the rooms.
- 8

Candleman: The Complete Journey
Single-player alternative to Gravia — playable solo, no multiplayer required. Shares Action and Indie with Gravia.
Despite only being able to burn for 10 seconds, a little candle journeys into the darkness, with the purpose of seeking light.