Games like Ad Infinitum

"Enemy Mind" is a side-scrolling space shooter for PC with a classic 8-bit art style and 8 levels of challenge across 70 waves. As a being of pure psychic energy, you can take over and control any of the 20+ unique ships you encounter, each with their own power and ability. The game features an adaptive story system that changes with your play style and offers multi-player co-op for up to four players. The soundtrack is an original chiptune-inspired creation by Rainbow Kitten.

"Capsized" is a Science Fiction arcade-style game with both single-player and local multi-player options for up to 2 players in a co-op, split screen format. The game features an immersive alien world with unique hand-drawn art, a stellar soundtrack, and challenging gameplay that combines platforming, puzzle-solving, and combat. Players must navigate through a perilous environment, fight off creatures, and save crewmates to escape the mysterious planet.

Space Commander: War and Trade is a single-player space-sim offering diverse campaigns from arcade shooter to sandbox RPG. Build and customize your fleet, choose from various career paths including mercenary, trader, or space pirate, and upgrade your commander skills to fit your unique playstyle. Engage in combat, trade, or piracy to gain experience and progress through the game.

"Xenoraid: The First Space War" is a challenging vertically scrolling shoot'em up game with advanced shooting mechanics and AI-driven enemies for dynamic combat. You control a squadron of four fighters, each with unique weapons, and must switch between them strategically to survive. The game features over 40 missions, including intense boss fights, with procedurally generated elements for replayability. Fight against alien threats in mankind's first space war.

Revo is a neon styled and classically inspired space shoot 'em up with an original, retro fueled synthwave soundtrack.

"Space Battle Royale" is a frenetic arcade game set in space, where players must navigate unique maps and utilize five classes of weapons to survive and dominate the arena. With a variety of upgrades based on alien technology, players can build the ultimate fighting machine and engage in strategic combat. Even if defeated, players can upgrade their attributes and modify their ships for another chance at victory.

Steredenn: Binary Stars is an award-winning rogue-like shoot'em up game with intense boss battles, randomly generated environments, and a vast arsenal of weapons. Experience quick, challenging sessions with upgrades and space events, available now on PC, Xbox One, PS4, Nintendo Switch, and iOS. Receive critical acclaim with user ratings around 90% on Steam and an average press rating of 8/10.

"Beat Hazard" is an arcade-style shooter game where your music drives the gameplay experience. Each song in your collection creates a unique ebb and flow, affecting the enemies and your ship's firepower. The game offers various modes, including Survival, local 2-player versus, and co-op. Your performance can earn you 25 Steam achievements and a spot on the leaderboards. Workshop DLC is required for creating and accessing workshop content.

"Xenoraid" is a Science Fiction shooter game that offers various gameplay modes, including single-player, co-op, and multi-player. The game features exciting vertical scrolling shoot'em up gameplay with modern mechanics, such as the ability to switch between four fighters during combat to optimize weapons. Upgrade, repair, and enhance your squadron between missions, and test your skills in three endless survival missions with online leaderboards.

"Starr Mazer: DSP is a single-player Science Fiction Action game with outstanding gameplay, awesome graphics, and a wonderful soundtrack. In this side-scrolling shoot'em up, you control a squadron of pilots with diverse skills and weapons, battling through nine intense levels to take down the G'ell Super Ship. The roguelike twist on the lives/continues system, combined with the ever-evolving SK:ORE system, ensures that the fight never ends."