Games like O-Thrust (Oric)

Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter! Destination Sol is a free-to-play hardcore space arcade/RPG. You start as a pilot of a small fighter ship on the edge of a star system, and you're free to explore the game world, land on planets, fight with enemies, upgr…

DarkStar One is a space action adventure game that lets you explore a vast universe. As captain of the spaceship DarkStar One, you'll upgrade your ship, complete missions, and battle alien races. The game features an open-world environment with real-time combat and a dynamic market economy.

"Megaton Rainfall" is a first-person superhero game with fast-paced aerial combat. As a nearly invulnerable superhuman, players must stop an alien invasion while saving cities from catastrophic destruction. The game features a unique "pentadimensional" scaling system, allowing players to seamlessly transition from street-level battles to interplanetary fights.

"STAR-BOX: RPG Adventures in Space" is a retro-styled open-world RPG set in a sandbox universe in the year 4135. Players can explore alien worlds, abandoned cities, and space-stations while collecting items, weapons, and armors. The game features dynamic events and tactical combat, with players having the opportunity to lead a rebellion against a corrupt government and capture enemy vessels. The choices made by players will impact the story and gameplay experience.

Evochron Legacy is a single-player or multiplayer sci-fi simulation game, focusing on combat, trade, and exploration. The game features advanced space flight mechanics, detailed spacecraft management, and a variety of objectives, including battles, racing, mining, and building stations. With good story, great mechanics, unique atmosphere, and long-distance travel using jump drives, Evochron Legacy is a fulfilling space adventure, but be prepared for some grinding.

"Tachyon: The Fringe" is a space-themed action shooter game set in a distant galaxy. You play as a pilot fighting for a faction in a war for control of the galaxy's valuable Starstream Portal. Engage in high-speed combat, upgrade your ship and weapons, and experience an epic story with multiple endings.

SimpleRockets is a physics-based space simulation game that lets you build and launch your own rockets. With a variety of parts to choose from, you can create rockets, rovers, and even space stations. Challenges and realistic orbital physics teach players about rocket science while they explore the solar system and share their creations.

Endless Sky is a 2D space trading and combat game inspired by the Escape Velocity series. Explore a vast galaxy filled with hundreds of star systems, planets, and alien species, while completing missions, trading goods, and upgrading your ship. With a strong focus on customization and open-ended gameplay, Endless Sky offers a rich and immersive space exploration experience. The game is free, open-source, and available on multiple platforms.

"Transcendence" is a single-player Role Playing Game set in 2419, where humanity is threatened by a hyperintelligence compelling people to travel to the Galactic Core. Players must navigate through randomly generated star systems, acquiring weapons and powers to survive and uncover the secret threatening the galaxy. With stunning replayability, the game offers an open-world experience of space combat and exploration, featuring compelling music and intense battles against various alien races.

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.