Games like Iron Armada

StarMade is a free-to-play Sci-Fi Shooter game, currently in Alpha, that offers single-player, local multi-player, and online co-op/PvP gameplay. Players can support the developers by purchasing the game, which will grant access to future updates and exclusive features such as blueprint hosting and multiple skin uploads. Despite some optimization issues and bugs, the game offers plenty of humor and grinding for space exploration and battles.

Cosmoteer is a starship design and battle simulation game. Build and customize your own unique space fleet using a modular ship editor, then command them in real-time tactical combat. Manage resources, hull breaches, and crew morale in intense space battles.

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.

Interstellar Rift is a sandbox-style RPG set in the vastness of space. Players can explore, trade, and build their own spaceships as they navigate an open world filled with procedurally generated galaxies and alien races. Collaborative gameplay is encouraged, with the option for players to form factions, engage in piracy, or work together on massive capital ships. The ship-building aspect is highly detailed, allowing for customization of every aspect from engine to weaponry.

"Starbase" is a science fiction open-world game in early access that combines single-player, co-op, and massively multiplayer options with a focus on building, designing, and battling in space. Its destructible environment and hybrid voxel/vertex mechanics allow for detailed simulations and creativity, but expect some bugs and grinding. The game includes impressive graphics, exceptional music, and a full roadmap of upcoming features.

"Grav" is a Science Fiction Shooter game that combines frenzied combat with gorgeous visuals and procedurally generated planets for a unique and immersive experience. Play in single-player, multi-player, or co-op modes, with plenty of humor, grinding, and a beautiful soundtrack. However, expect some bugs in this early access game.

"Starship EVO is a work-in-progress space sim that offers a creative building experience, allowing players to build and customize starships, space stations, and handheld weapons using a variety of tools and options. The game currently features engaging space battles and plans to add a survival mode in the future. A Server/Client framework is used for multiplayer, which requires port forwarding." less than 400 characters, more than 100 characters.

Empyrion: Galactic Survival is a space survival adventure game that lets players build and pilot their own space ships and stations. Explore, mine, and fight across procedurally generated planets and alien structures in a vast, open universe. Experience a mix of sandbox construction, survival, and combat gameplay, with a heavy emphasis on player freedom and creativity.

Eden Star is a sci-fi survival game set on a mysterious alien planet. Gather resources, build structures, and defend against hostile creatures to ensure your survival. Use intuitive crafting and physics-based mechanics to manipulate the environment and create advanced technology for your survival. Explore, gather, build, and conquer in this immersive and beautiful world.

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.