Games like Istrolid

TerraTech is an open-world sandbox adventure where you design and build vehicles from various blocks to explore, scavenge, and battle across diverse environments. Featuring co-op and PvP multiplayer modes, stunning graphics, and a captivating soundtrack, it offers both creative freedom and intense combat challenges. Despite some bugs and grinding, its humor and replayability make for a fun, engaging experience.

"Reassembly" is a single-player Science Fiction Strategy game with good mechanics, fantastic visuals, and exceptional music, but a lackluster story and heavy grinding. Players craft and customize their own spaceship, battling a variety of alien races in a procedurally-generated universe. The game offers high replayability and unique atmosphere, but can be buggy. Growth and evolution of your ship adds a fresh twist to the strategy genre.

"Forts" is a physics-based tower defense game where players build and customize their own fortress, then battle against opponents in real-time. The game features destructible environments, a variety of weapons and upgrades, and multiple game modes. Use strategic planning and quick reflexes to defend your base and destroy your enemy's fort in this unique and engaging experience.

"Airships: Conquer the Skies" allows you to design and build elaborate airships and land vehicles, using a wide range of modules and weapons for creative customization. Engage in intense aerial battles with destructible environments and various tactical options, while managing your fleet with high-level commands. The detailed vehicles and engaging gameplay offer a unique and immersive experience.

"Battlevoid: Harbinger is a hard sci-fi space exploration game, combining turn-based strategy, real-time space battles, and roguelike elements. As a young commander, lead your fleet to unknown galaxies, making decisions about fleet and equipment while dealing with surprising elements and battling for survival. Strategy, tactics, and resource management are crucial in this challenging space adventure."

Avorion is a sandbox space simulation game that lets you build your own space ships and explore a procedurally generated universe. Mine resources, trade goods, and engage in space combat while navigating political alliances and factions. Experience a dynamic world that evolves based on your actions and interactions with other players.

Galactic Junk League is a free-to-play online game where players build and battle with their own custom spaceships. Engage in intense PvP battles in various game modes, collecting junk and blueprints to improve your ships. Join forces with other players in a cooperative mode to take down massive bosses and earn valuable rewards.

Absolver is an online multiplayer combat RPG where players are placed behind the mask of a Prospect under control of the Guides, the new rulers of the fallen Adal Empire, who have placed you here to determine your worth in joining their elite corps of Absolvers.

"From The Depths" is a sandbox vehicle construction game where you can build and command battleships, planes, submarines, and more in intense battles. The game features a creative mode, a strategic campaign with eight factions, and a story mode. It also offers in-game planet, campaign, mission, and multiplayer map editors, as well as Steam workshop support for sharing your creations. Available on PC, Mac, and Linux.

"Mechabellum" is a Sci-Fi strategy game that offers both single and multiplayer modes, with a focus on tactical combat and customizable mech units. The game boasts masterful gameplay, compelling visuals, and a good soundtrack, but its plot may not be for everyone and grinding is required. With plenty of humor and high replayability, it's a rewarding experience for those willing to learn and adapt in battle.