Retrobooster v0.5.3.1 Demo

A 2.5D survival shooter and cave-flyer, focusing on skill-based flying and enemy blasting
Developed by Terry Welsh, Retrobooster lets you pilot a thrust ship across the galaxy, focusing on the thrill of flying just as much as blasting enemies. Some cave-flyers keep the flying slow or neuter the physics in some other way, but Retrobooster enhances its survival theme by keeping the flying fast and tense. This is accomplished with a combination of clever control laws and realistic physics. Retrobooster also sports colorful explosions and other effects produced by a custom particle engine. All of this produces an arcade experience with a balance of bullet hell mayhem, flying challenges, and delicious pyrotechnics.
The gameplay consists of skill-based flying and shooting, grabbing tokens to get power-ups and weapons, and figuring out how to get through each level. Beating a level can mean rescuing people, solving puzzles, or surviving speed-flying challenges. Replay value comes from multiple difficulty levels, the chance to play for high scores, and your constantly improving ship control skills.
The Steam Greenlight page can be found here - a playable demo is now locally mirrored.