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

Ingression
Single-player alternative to The Portal Trial — playable solo, no multiplayer required. Shares Action and Indie with The Portal Trial.
Ingression is an unforgiving & mind-bending precision platformer where you'll think and platform with seamless portals. Travel to the future to save the past from a tremendous time paradox.
- 2

ReDrop
Single-player alternative to The Portal Trial — playable solo, no multiplayer required. Shares Action and Indie with The Portal Trial.
DIE, REDROP, REPEAT. In this Platformer, every Death leaves a platform behind; Climb your mistakes! RAGE, CRY, ADAPT. Then do it all again. Try now and prove you're only *mostly* bad.
- 3

Knight And Mourning
Single-player alternative to The Portal Trial — playable solo, no multiplayer required. Shares Action and Indie with The Portal Trial.
Do you like 2D platformers? Are you constantly complaining about how bad you are at them? Well, continue to complain! Even if you think you are good at Knight And Mourning, you aren't.
- 4

MineRalph
Single-player alternative to The Portal Trial — playable solo, no multiplayer required. Shares Action and Indie with The Portal Trial.
Roll your way through a hard-core, high-speed, fury-inducing, nail-biting, reaction-based physics-platformer where momentum and skill is the difference between making the jump and falling to your death.
- 5

Super Meat Boy
Single-player alternative to The Portal Trial — playable solo, no multiplayer required. Shares Indie with The Portal Trial.
The infamous, tough-as-nails platformer comes to Steam with a playable Head Crab character (Steam-exclusive)!
- 6

1 Screen Platformer
Single-player alternative to The Portal Trial — playable solo, no multiplayer required. Shares Action and Indie with The Portal Trial.
This is a SHORT, 2D PLATFORMER with TIGHT CONTROLS about exploring a single level to get past a bunch of TRAPS. There is an EASY mode and a HARD mode depending on your skill level.
- 7

Will You Snail?
Single-player alternative to The Portal Trial — playable solo, no multiplayer required. Shares Action and Indie with The Portal Trial.
A unique platformer where an evil AI predicts your movement. Dodge AI-spawned traps, solve optional puzzles and uncover the dark secrets of the simulation. Now with a level editor and infinite community-made content!
- 8

Downwell
Single-player alternative to The Portal Trial — playable solo, no multiplayer required. Shares Action and Indie with The Portal Trial.
Downwell is a curious game about a young person venturing down a well in search of untold treasures with only his Gunboots to protect him.