Single-player games like Star Knight: Order of the Vortex
Below are 8 single-player Steam games similar to Star Knight: Order of the Vortex, 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 Star Knight: Order of the Vortex page.
Ranked picks
- 1

Overrun Survivors
Single-player alternative to Star Knight: Order of the Vortex — playable solo, no multiplayer required. Shares Action and Indie with Star Knight: Order of the Vortex.
Overrun Survivors is a fast-paced action roguelite game that throws players into the middle of hordes of aliens and asks them to fight tooth and nail in order to survive. Play through different alien planets and feel powerful knowing that you're the only one who can save the day!
- 2

Super Crome: Bullet Purgatory
Single-player alternative to Star Knight: Order of the Vortex — playable solo, no multiplayer required. Shares Action and Indie with Star Knight: Order of the Vortex.
In the dark depths of space, an unknown threat called Purgatory has begun to consume colonies throughout the cosmos. Now it’s up to Crome, the Consul’s best star pilot, to travel into the unknown and put an end to Purgatory before it overcomes the entire galaxy.
- 3

Stratogun
Single-player alternative to Star Knight: Order of the Vortex — playable solo, no multiplayer required. Shares Action with Star Knight: Order of the Vortex.
An ultra-fast arcade space shooter where every split second counts. Fight through endless swarms of enemies, upgrade your ship, and conquer the deadly Red Orbit or be consumed by it.
- 4

Tri-Star
Single-player alternative to Star Knight: Order of the Vortex — playable solo, no multiplayer required. Shares Action with Star Knight: Order of the Vortex.
Tri-Star is an endless horizontal-scrolling space shooter featuring Roguelike and Roguelite elements. Blast through waves of enemies and battle against arduous bosses. Form a squadron of three unique ships from an expanding roster and equip them with upgrades as you engage in a battle for survival.
- 5

Polyfury
Single-player alternative to Star Knight: Order of the Vortex — playable solo, no multiplayer required. Shares Action and Indie with Star Knight: Order of the Vortex.
You thought geometry was difficult? Now it's got a gun! Face the fury of the Seven Deadly Shapes and blast your way through a barrage of bullets and lasers in this highly accessible bullet hell.
- 6

Hate Me Not
Single-player alternative to Star Knight: Order of the Vortex — playable solo, no multiplayer required. Shares Action and Indie with Star Knight: Order of the Vortex.
A roguelike twin-stick shooter, where you defend the same thing that tries to hurt you. Venture into the side of darkness to defeat enemies before they reach the Yin-Yang. Switch to the side of light to gather energy and upgrades, before the time runs out and the next wave of monsters spawn.
- 7

Red Zirion
Single-player alternative to Star Knight: Order of the Vortex — playable solo, no multiplayer required. Shares Action and Indie with Star Knight: Order of the Vortex.
Red Zirion is a retro shooting game with upgradeable attributes in the roguelike style. Game inspired by groups of heroes and animated series from the 80s.
- 8

BroodStar
Single-player alternative to Star Knight: Order of the Vortex — playable solo, no multiplayer required. Shares Action and Indie with Star Knight: Order of the Vortex.
BroodStar is a classic arcade shmup with roguelike elements. Acquire crazy item combos, encounter strange events and fight challenging bosses on a quest to destroy the living planet, the BroodStar.