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

The Cursed Tower
Single-player alternative to Turtle: Voidrunner — playable solo, no multiplayer required. Shares Action and Indie with Turtle: Voidrunner.
"The Cursed Tower" is a story-driven platformer game where you are a dutiful postal worker. Armed with only a letter opener and graceful jumping skills, you must embark on a quest and fulfill your duty. Along the way, you will encounter many dangers and uncover a dark secret. Do you have what it takes?
- 2

Ruzh Delta Z
Single-player alternative to Turtle: Voidrunner — playable solo, no multiplayer required. Shares Action and Indie with Turtle: Voidrunner.
Ruzh Delta Z is a frenzied shoot-em-up which draws inspiration from classics such as Gradius, DoDonPachi, and R-Type. Shoot your way through perilous stages and wreck thousands of rogue vessels in your quest to become the ultimate pilot.
- 3

Fear For Freedom
Single-player alternative to Turtle: Voidrunner — playable solo, no multiplayer required. Shares Indie and Casual with Turtle: Voidrunner.
"Two days ago a monster appeared in the hallway outside the office. Maybe if I just wait it will leave eventually." A very short psychological game dealing with isolation, entrapment and the nature of fear.
- 4

Gauntlet of IRE
Single-player alternative to Turtle: Voidrunner — playable solo, no multiplayer required. Shares Action and Indie with Turtle: Voidrunner.
A 35 part obstacle course that is deceptively simple and infuriatingly obvious in the most difficult way.
- 5

Project Rhombus
Single-player alternative to Turtle: Voidrunner — playable solo, no multiplayer required. Shares Action and Indie with Turtle: Voidrunner.
Project Rhombus is a rhythm-based casual action game that combines exciting electronic music with stylish flat design. Hold on as long as possible, blocking the oncoming arrows moving to the beat.
- 6

Trenches of War
Single-player alternative to Turtle: Voidrunner — playable solo, no multiplayer required. Shares Action and Indie with Turtle: Voidrunner.
Trenches of War is a fast-paced World War I-inspired strategy game. Battle through the Alps by spawning units and capturing trenches, barracks, and factories. Cross rivers that rise when it rains. Use or destroy bridges and cornfields that may aid or deter your maneuvers.
- 7

Shadow Ninja: Apocalypse
Single-player alternative to Turtle: Voidrunner — playable solo, no multiplayer required. Shares Action and Indie with Turtle: Voidrunner.
Fast 2D ninja action where every mistake costs everything. Run, dodge, attack and survive as long as you can.
- 8

Overture
Single-player alternative to Turtle: Voidrunner — playable solo, no multiplayer required. Shares Action and Indie with Turtle: Voidrunner.
Overture is an action-adventure roguelike which draws heavy inspiration from hits such as Diablo, Realm of The Mad God, Zelda, and The Binding of Isaac. Explore vast randomly generated dungeons and slay hordes of cunning enemies!