Single-player games like Duke of Alpha Centauri
Below are 19 single-player Steam games similar to Duke of Alpha Centauri, 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 Duke of Alpha Centauri page.
Ranked picks
- 1
Asteroid Bounty Hunter
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Asteroid Bounty Hunter is a space shooter mixed with interesting boss fights and breathtaking visuals, with a reward system to take your skill to another level.
- 2
Space War: Infinity
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Vertical semi-procedural shmup with upgrades, real-time enemy waves, and infinite replayability. Level up your ship, unlock 20+ weapons, defeat 5 bosses, and survive endless bullet-hell combat.
- 3
Project Neon
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Blast through enemy defenses in this intense 16-bit shoot ‘em up (or shmup), dismantling interplanetary shields to bring humanity’s last hope back from Mars and save Earth from ecological collapse.
- 4
Devastation - Annihilate the Alien Race
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Devastation - Annihilate the Alien Race, is a 2D, dual stick shoot em' up, bullet hell, arcade game. Tear up hordes of aliens with skill based game play, bombs & upgrades to obliterate everything!. Gun down 11 massive bosses, bank insane score on the leaderboards & overcome clouds of enemy fire.
- 5
Defender's Squad: The Last Ride
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.
- 6
Astro Attack
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
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.
- 7
Space Wars
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Space Wars is an exciting 2D space shooter. It has tons of powerups, tons of action, and tons of hardcore gameplay!
- 8
Anceder
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Dive in the VR arcade shoot-them-up (shmup, shoot'em up, bullet hell). A lot of action is awaiting you. "Insert coin" and jump in the shmup !
- 9
Risk of Rain 2
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Escape a chaotic alien planet by fighting through hordes of frenzied monsters – with your friends, or on your own. Combine loot in surprising ways and master each character until you become the havoc you feared upon your first crash landing.
- 10
Space Invaders Extreme
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action with Duke of Alpha Centauri.
The critically acclaimed update to the Space Invaders franchise has arrived to invade Steam with greatly improved graphics and audio! Packed with pulsing, vibrant visuals enhanced further by interactive sound. The invaders have evolved, the question is: can you keep up?
- 11
Impact
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Build your deck against hundreds of monsters and defend yourself against your enemies with the best deck. Unlock characters with rogue-lite elements, a wide range of weapons and special abilities as you progress.
- 12
Slash It 2
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Slash It 2 is a 2D colorful arcade game. The goal is to press letters, numbers and type words in the right time and direction.
- 13
Slash It
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Slash It is a 2D colorful arcade game. The goal is to match shapes, press letters and numbers in the right time and direction.
- 14
Cube Runner
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Cube Runner is a 3d action platformer that's simple to learn, exciting to play, and deep enough to challenge even the greatest gamers.
- 15
Slash It Ultimate
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Play the rhythm of a song through various game modes and compete with other players!
- 16
Upside Down
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Upside Down will immerse you in an incredible adventure. Sharpen your reflexes for this fast-paced, precise puzzle-platformer.
- 17
Spin Rush
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Spin Rush is 2D arcade game, where you have to collect dots and match colors.
- 18
Neon Space
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Neon Space is a fun and simple but at the same time highly addictive game.
- 19
Neon Space 2
Single-player alternative to Duke of Alpha Centauri — playable solo, no multiplayer required. Shares Action and Indie with Duke of Alpha Centauri.
Neon Space 2 is a highly anticipated sequel to Neon Space. The game kept all the elements from his predecessor, but at the same time the visuals received a major improvement.