Games like Dark Old Sun

In "Revolution Ace," humanity is at risk of extinction, and players must infiltrate the AI core to win the war against machines. The game features a customizable ship and numerous weapon configurations, as well as realistic physics and the ability to fight a variety of enemies on air, land, and sea. Online and local two-player co-op are also available. The game is powered by the Unreal engine and offers a deeper, more tactical shoot'em up experience.

"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.

Horizon Shift is an explosive wave based, single screen shooter, with a ton of new ideas and platformer elements. Do what it takes to protect your horizon from the ever encroaching enemy attack! Use the unique risk reward multiplier system to maximise power-ups, build your bomb and destroy EVERYTHING!

"Razenroth is a single-player Role Playing game with unique atmosphere and spectacular game mechanics. As Charles Carter, a journalist investigating his grandfather's disappearance, enter a nightmare world of randomly generated levels filled with over 200 objects, magic spells, and dangerous creatures, including powerful bosses. The experience is different each time, offering high replayability."

"Sun Blast" is a 6-degree-of-freedom shooter set in a futuristic world. Players take on the role of a skilled star fighter pilot, engaging in high-speed combat against enemy forces and bosses across various challenging levels. With upgradeable weapons, power-ups, and a variety of level environments, "Sun Blast" offers a thrilling and immersive experience for fans of the genre.

Zotrix is a single-player shooter game inspired by classic arcade machines, featuring brightly colored enemies and over 50 missions. Gameplay involves escorting cargo ships and avoiding enemy attacks, with rewards used to upgrade ships or purchase new ones. The game emphasizes repetitive arcade-style gameplay, requiring players to "grind" to progress.

"Starward Rogue" is a twin-stick shooter roguelite where you play as a "head in a mech" from the neck of a Space Hydra. Explore evolving catacombs, choose from 9 starting mechs with unique abilities, and encounter 150+ enemies across 500+ rooms. Level up and buy upgrades through the perk system to create varied builds. Play with keyboard+mouse or gamepad.

Sine Mora is a critically acclaimed horizontal shoot'em up, combining innovative gameplay and stunning graphics. Its unique time-based challenge system sets it apart, while it offers a fresh take on classic shooter mechanics. Now available on iOS, get ready for a breathtaking adventure and one of the best shooter experiences.

"Saviors" is a shooter game with both single-player and local 2-player co-op modes, offering a thrilling bullet hell experience. Players can customize their ships and battle through 18 levels in a fight for humanity's survival against aliens. With a full 3D engine, this game boasts compelling music, online leaderboards, downloadable replays, and 100 Steam achievements.

"Titan Attacks!" is a classic arcade-style shoot 'em up game with modern features. Protect your planet from hordes of invading aliens, using a variety of upgradable weapons and power-ups. Experience the thrill of survival as you battle through increasingly difficult levels, with boss fights at the end of each stage. The game features retro pixel art graphics and a chiptune soundtrack that heightens the nostalgic feel.