Single-player games like Project Nebula
Below are 9 single-player Steam games similar to Project Nebula, 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 Project Nebula page.
Ranked picks
- 1
Pixel Evolution
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action with Project Nebula.
A twin-stick arena shooter where every run rebuilds the game itself. Collect pixels, survive the constant HP drain, and complete each upgrade checklist to COMPILE the next era — evolving from 1-bit monochrome all the way to 3D, one boss at a time.
- 2
Retrobot: 2085
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action and Indie with Project Nebula.
Retrobot: 2085 is a fast, frantic twin-stick arcade shooter with endless robot hordes, survivor rescues, high-score chasing, extra lives, and chaotic 4-player local multiplayer.
- 3
Destropolis 2
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action with Project Nebula.
Hordes of red cube enemies. Bullets, lasers and nukes. Cities to raze to the ground.
- 4
Ore & Ordnance
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action and Indie with Project Nebula.
Ore & Ordnance is a Retro styled, Sci-fi, Bullet Hell. Survive endless waves of Pirates, Asteroids and Firestorms. Collect upgrades, complete missions and survive your shift! How long will you last?
- 5
Orbital Survivor
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action and Indie with Project Nebula.
Orbital Survivor is a physics-based space survivor-like with rogue-lite elements. Forge your path to free the galaxy from the Necromancer’s hordes. All set in a retro-futuristic and space-fantasy universe inspired by Dungeons & Dragons.
- 6
Abyss Prowler
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action and Indie with Project Nebula.
Abyss Prowler is an arcade inspired top-down arena shooter where you should always stay on the move to survive. Dash, reposition and strike. Demo is available.
- 7
Mechaconda
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action and Indie with Project Nebula.
Survive hordes of monsters and bosses while collecting cards that add unique ability upgrades to the body of a small snake Mechaconda.
- 8
Bit Breaker
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action and Indie with Project Nebula.
Bit Breaker is a short brick-breaking incremental bullet hell. Collect resources to upgrade your balls and fight back against the nodes taking over humanity.
- 9
Project X: Light Years
Single-player alternative to Project Nebula — playable solo, no multiplayer required. Shares Action and Indie with Project Nebula.
The official Project X sequel ✨ Back after 30 years!🎮 A demanding, skill-based experience that rewards patience and mastery. Not every game is for everyone — this one is for players who love a real, fair challenge. Try the demo and see if you’re up for it. Failure teaches. Mastery rewards.