Single-player games like Alien Grounds
Below are 10 single-player Steam games similar to Alien Grounds, 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 Alien Grounds page.
Ranked picks
- 1
Gunstoppable
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action and Indie with Alien Grounds.
A momentum-fueled Roguelite FPS where speed is damage. Dual-wield overpowered weapon combos and bend time to obliterate hordes of robots and billionaire bosses!
- 2
LeadCount
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action and Indie with Alien Grounds.
Fight against thousands of enemies at a time on a wide-open map. Earn XP for every kill and level up to gain skill points for persistent permanent upgrades. Discover synergies between different weapons, upgrades, and power-ups, making each round unique.
- 3
Galactic Vault
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action and Indie with Alien Grounds.
Build your weapon to its full potential in Galactic Vault, a fast-paced FPS roguelite. Discover endless upgrade combinations, craft diverse builds, and unleash devastating abilities. Get ready to infiltrate high-security vaults and recover lost tech.
- 4
HELLBREAK
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action and Indie with Alien Grounds.
HELLBREAK is a fast-paced roguelite, survivor-like FPS where you fight through escalating waves in brutal arenas in Hell. Build powerful loadouts, earn favor from demon lords to unlock new gear, and climb the leaderboards for your salvation.
- 5
Slyders
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action with Alien Grounds.
Slyders is a survivor-like, roguelite bullet-hell FPS where you fight overwhelming hordes of enemies and unleash a ridiculous arsenal of upgrades. You’re Aryx, a fearless fox freedom fighter on his supersonic battle turtle who aims to liberate Sky World from evil.
- 6
ODDCORE
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action and Indie with Alien Grounds.
You have only 5 minutes to stylishly explode your way through the hordes of corrupted entities in a retro FPS, roguelike liminal-nightmare... and Timmee is here to help!
- 7
Blood Rush
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action and Indie with Alien Grounds.
BLOOD RUSH is a fast paced, skill based FPS, mixed with roguelites elements. Upgrade yourself, buy unique guns, drain miracles from relics and destroy anyone or anything standing on your way!
- 8
AFTERBLAST
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action and Indie with Alien Grounds.
AFTERBLAST is a challenging FPS roguelite. Play SOLO or in CO-OP (1-4 players). Get stronger each run. Obtain powerful abilities, weapons and find a way to save your planet. Stand up against the Gods and defeat hordes of monsters in intense bullet-hell combat!
- 9
Alien Weapon Test Grounds
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Action and Indie with Alien Grounds.
Alien weapons with unique physics await in this fast-paced FPS. Battle waves of enemies across diverse landscapes, lighting, and weather. Beware the unstable space-time continuum.
- 10
NZ78
Single-player alternative to Alien Grounds — playable solo, no multiplayer required. Shares Indie with Alien Grounds.
A short atmospheric sci-fi story told through text and ink-wash images, as New Zealand faces strange events beyond explanation.