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

Astro Attack
Single-player alternative to Spark — playable solo, no multiplayer required. Shares Action and Indie with Spark.
A single-stick arcade shoot 'em up inspired by the golden years of retro gaming. Blast to the synthwave beat to combine powerups and destroy waves of invaders. Complete missions, compete on leaderboards, discover secrets, and unlock over 80 unique ships from every era of gaming.
- 2

Deathsmiles
Single-player alternative to Spark — playable solo, no multiplayer required. Shares Action and Indie with Spark.
Deathsmiles is CAVE's bullet-hell shoot-'em-up where you take the role of one of five Angels to defend the magical land of Gilverado from an invasion by Hell itself! Eradicate this devilish assault!
- 3

Sine Mora
Single-player alternative to Spark — playable solo, no multiplayer required. Shares Action and Indie with Spark.
Sine Mora is a horizontal shoot'em up that provides a unique take on challenge, where time is the ultimate factor.
- 4

Syder Arcade
Single-player alternative to Spark — playable solo, no multiplayer required. Shares Action and Indie with Spark.
Killing zombies never gets old, but sometimes you just need a break. Get back to some serious old-school gaming with Syder Arcade! Syder Arcade is a love letter to Amiga games of the ‘90s, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders.
- 5

Knightmare Tower
Single-player alternative to Spark — playable solo, no multiplayer required. Shares Action and Indie with Spark.
Break through ceilings, rescue princesses and escape boiling lava as you slash your way to the top of the Knightmare Tower!
- 6

Space Elite Force
Single-player alternative to Spark — playable solo, no multiplayer required. Shares Action and Indie with Spark.
Gear up for an intergalactic thrill ride! Space Elite Force is a frenzied space-shooter packed with weapon customization and epic boss battles. Take command of your ship and fight for the survival of humanity!
- 7

Beat Hazard
Single-player alternative to Spark — playable solo, no multiplayer required. Shares Action and Indie with Spark.
Experience your music collection like never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music.
- 8

Gryphon Knight Epic
Single-player alternative to Spark — playable solo, no multiplayer required. Shares Action and Indie with Spark.
Gryphon Knight Epic is a 2D Medieval Shoot’em up that mixes elements from classical shoot’em ups, exploration and duel-like boss battles, it tells the story of Sir Oliver and Aquila, an accomplished knight and his loyal gryphon that are forced back to adventure once again.