Single-player games like Portals: Escape the Infinity
Below are 16 single-player Steam games similar to Portals: Escape the Infinity, 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 Portals: Escape the Infinity page.
Ranked picks
- 1

Discolored
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Indie and Adventure with Portals: Escape the Infinity.
Locals whisper of a roadside diner that’s lost its color. You are sent to investigate.
- 2

Nancy Drew®: Warnings at Waverly Academy
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Adventure with Portals: Escape the Infinity.
Enroll in a School Plagued by Suspicions and Lies!
- 3

Rusty Lake: Roots
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Indie and Adventure with Portals: Escape the Infinity.
Experience the beginning and end of characters' lives and build your own family tree! Rusty Lake: Roots is the second premium point-and-click adventure by the creators of the Cube Escape series and Rusty Lake Hotel.
- 4

Paradise Killer
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Indie and Adventure with Portals: Escape the Infinity.
Paradise Island, a world outside reality. There’s been a murder that only "investigation freak" Lady Love Dies can solve. Gather evidence and interrogate suspects in this open world adventure. You can accuse anyone, but you’ll have to prove your case in trial. It’s up to you to decide who’s guilty.
- 5

Inscryption
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...
- 6

Chicken Police - Paint it RED!
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Indie and Adventure with Portals: Escape the Infinity.
A wild tale of love, death, chickens, and redemption! Chicken Police is a buddy-cop noir adventure with a carefully crafted world, a gritty story, and absurd humor. The game mixes classic adventure games with visual novel-style storytelling, presented in a beak-droppingly unique art style.
- 7

The White Door
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Indie and Adventure with Portals: Escape the Infinity.
Enter The White Door and discover Rusty Lake’s universe in a new game with a unique style! Explore Robert Hill’s dreams and help him to find his lost memories. Can you survive the strict daily routine and bring back color to Robert's life?
- 8

The Room
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Indie and Adventure with Portals: Escape the Infinity.
A mysterious invitation leads to the attic of an abandoned house. In the room is a cast-iron safe laced with strange carvings and on top, a note from your distant companion. It promises something ancient and astonishing concealed in the iron chamber - you need only find a way in.
- 9

Mystery Box: Hidden Secrets
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
A point-and-click puzzle game where you have to solve intriguing riddles around different boxes and discover some cool stories about popular inventions!
- 10

Mystery Box 4: The Journey
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
Welcome to the 4th chapter of the popular 'Mystery Box' escape room puzzle game series! 10 new boxes full of enigmas to crack are waiting for you on this journey through lost worlds.
- 11

Mystery Box 3: Escape The Room
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
Welcome to the 3rd chapter of the "Mystery Box" series. You're trapped inside dark rooms and must solve intriguing enigmas to open boxes and escape. Can you make it?
- 12

Mystery Box 2: Evolution
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
Enjoy the 2nd chapter of the Mystery Box game series! Unlock 57 boxes by solving tons of intriguing puzzles that will put your brain to work!
- 13

The Da Vinci Cryptex
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
Are you ready to solve 50 incredible riddles to gain your freedom? Test your IQ skills by playing The Da Vinci Cryptex and find out the genius you are!
- 14

Mystery Box VR: Escape The Room
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
The VR version of the third chapter of the Mystery Box series. Can you crack crazy puzzles to open incredible boxes and escape the room you're trapped in?
- 15

The Da Vinci Cryptex 2
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
Take the challenge again and crack 50 new incredible riddles in the sequel of The Da Vinci Cryptex!
- 16

The Da Vinci Cryptex 3
Single-player alternative to Portals: Escape the Infinity — playable solo, no multiplayer required. Shares Strategy and Indie with Portals: Escape the Infinity.
Take the challenge again and crack 50 new amazing riddles in the third chapter of The Da Vinci Cryptex! series!