Single-player games like Star99
Below are 8 single-player Steam games similar to Star99, 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 Star99 page.
Ranked picks
- 1
Galactoids - Galactic Invaders
Single-player alternative to Star99 — playable solo, no multiplayer required. Shares Action and Indie with Star99.
Battle swarms of Galactic Invaders in this action-packed retro-inspired arcade shoot em up. May the Nerd be with you.
- 2
Ping Pong Space - Retro Tennis
Single-player alternative to Star99 — playable solo, no multiplayer required. Shares Action and Indie with Star99.
Ping Pong Space is a modern incarnation of the classic Pong game, set in space. Accept the challenge to defeat the AI robot and become the retro tennis champion of the galaxy!
- 3
Distance
Single-player alternative to Star99 — playable solo, no multiplayer required. Shares Action and Indie with Star99.
Distance is an atmospheric racing platformer. Fusing futuristic arcade racing with parkour, survive a deadly, mysterious, neon-drenched city by jumping, rotating, and flying.
- 4
HUNTDOWN
Single-player alternative to Star99 — playable solo, no multiplayer required. Shares Action and Indie with Star99.
In the mayhem-filled streets of the future where criminal gangs rule and cops fear to tread, only the bounty hunters can free the city from the corrupt fist of felony. Lay waste to the criminal underworld and make a killing in this hard boiled action comedy arcade shooter.
- 5
Serious Sam 3: BFE
Single-player alternative to Star99 — playable solo, no multiplayer required. Shares Action and Indie with Star99.
Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!
- 6
![The Eternal Castle [REMASTERED] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/963450/header.jpg?t=1667004057)
The Eternal Castle [REMASTERED]
Single-player alternative to Star99 — playable solo, no multiplayer required. Shares Action and Indie with Star99.
The Eternal Castle [REMASTERED] is a remake of the original "ETERNAL CASTLE" from 1987, with additional game mechanics, sophisticated sound design, polished 2-bit CGA animated graphics, and modernized game design.
- 7
Altitude
Single-player alternative to Star99 — playable solo, no multiplayer required. Shares Action and Indie with Star99.
Now Available on PC, Mac and Linux!
- 8
StarMade
Single-player alternative to Star99 — playable solo, no multiplayer required. Shares Action and Indie with Star99.
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!