Single-player games like Space Invasion Infinite
Below are 9 single-player Steam games similar to Space Invasion Infinite, 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 Space Invasion Infinite page.
Ranked picks
- 1

Stel
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Indie with Space Invasion Infinite.
Stel is a spaceship action-adventure game with procedurally generated elements. Fight dangerous foes, improve your ship and explore the different levels to decipher a mysterious problem, the Quantum are disappearing...
- 2

GUNBUTCHER
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Indie with Space Invasion Infinite.
Survive an alien invasion in 90 seconds with your trusty companion Rooster! Exterminate your enemies using powerful weapons!
- 3

BotNet
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Indie with Space Invasion Infinite.
BotNet is a 2D bullet hell roguelike where you play as malware trying to infect the world. Collect powerful items along the way, discover synergies, and make your virus unstoppable.
- 4

Spaced Liberation
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Indie with Space Invasion Infinite.
Spaced Liberation is a very small indie game about the liberation of a planet.
- 5

Obliteration Quest
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Indie with Space Invasion Infinite.
Master the power of your totems and deliver utter obliteration in this horde survivor roguelike! The aiming and timing your skills will be key to survive and defeat powerful mobs and bosses while powering up with loot and upgrades.
- 6

Irradiant Skies
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Indie with Space Invasion Infinite.
Irradiant Skies is an arcade roguelite blending brick-breaking and bullet-parrying combat. Reflect enemy attacks, chain powerful upgrades, and master unique ships as you ascend through waves of enemies.
- 7

Capy Chaos
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Indie with Space Invasion Infinite.
Become the galaxy’s deadliest hunter! Wield 7 weapons at once, unleash ricochet chaos, and conquer alien worlds in this fast-paced roguelite. Survive 10 minutes of madness, trigger your Rage, and slay the boss. Master unique Signature Weapons and craft your ultimate build!
- 8

Super Pain Toad Carnage
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Indie with Space Invasion Infinite.
Get ready to turn Australian! Save the land down under by splattering the invading hoardes of 'Pain Toads' in this brand new survivor-like, bullet-heaven, BOGAN-LIKE!!! Get upgrades, combine them in unique ways, discover insane builds.... and SAVE THE OUTBACK!
- 9

Orbital Tower Defence
Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Indie and Casual with Space Invasion Infinite.
Build towers on rotating orbital rings to defend your planet. Discover powerful upgrades, battle elite enemies and bosses, and master unique planets with distinct challenges.