Games like Space Run Galaxy

Space Run is a real-time spaceship construction strategy game, where you must protect your cargo ship from asteroids, pirates, and competing transporters. As you complete missions and earn credits, unlock new modules and upgrades such as laser turrets and missile launchers to help you survive in the dangerous depths of space. Your goal is to safely transport valuable shipments while fending off threats and avoiding damage to your cargo.

Warstone TD is a fantasy tower defense game where players strategically place towers and units to defend against hordes of enemies. With various game modes, heroes, and towers to choose from, each level presents a unique challenge. The game features a compelling story campaign, online PvP, and co-op gameplay, offering a rich and immersive tower defense experience.

"MarZ: Tactical Base Defense" is a strategy game that challenges you to build a defense base and fight off zombie hordes on Mars. The game features a 20-mission story campaign, skirmish mode with customizable waves of enemies, and an intense "Outbreak" mode. Utilize powerful terraforming tools to create custom maps and share them via Steam Workshop, and research new upgrades for your towers. Recently updated with increased technology options and reworked balancing.

They Are Billions is a strategy game set in a post-apocalyptic world overrun by zombies. In the Campaign mode, reclaim territories for the New Empire through 48 missions with 90+ technologies to develop. Survive in randomly generated worlds in Survival mode, defending your colony against massive infected swarms. Uncover the story of the apocalypse's origins while upgrading your colony and army.

Cosmonautica is a single-player Science Fiction Simulation game with great gameplay, exceptional graphics, and a fantastic soundtrack. The game offers a humorous space trading and crew simulation experience in a procedurally generated galaxy, with diverse quests, pirate attacks, and unique crew members. However, it has issues with bugs that can affect gameplay.

"Bounty Train" is a wild west simulation game where you build and manage your own train, hiring a crew and traveling through North America facing various challenges. The game features true-to-original locomotives, historic events, and strategic combat. Your goal is to complete quests, overcome enemies, and manage resources efficiently.

Defense Grid: The Awakening is a tower defense game where players protect their base by building fortification towers against incoming enemies. With 8 hours of main storyline and many more in challenge modes, each level is highly replayable and can be solved in various ways. The game features 15 different enemy types that increase in strength over time, providing a wide variety of challenges.

"Star Valor" is a single-player, open-world space simulator where players can explore the galaxy, engage in space combat, and manage their own spaceship. With various ships, weapons, and equipment to choose from, players can customize their gameplay experience while completing missions and uncovering the game's storyline. The game also features a dynamic economy, AI-controlled factions, and procedural generation of planets and systems for a unique experience each time.

Defense Grid 2 is the sequel to the original tower defense game, Defense Grid: The Awakening. It features a new story campaign with 21 maps, dynamic level movement, and an expanded cast of characters. The game also includes challenge mode experiences, multiplayer modes, and a level creation tool set for players to create and share their own levels. The Steam Special Edition comes with additional content.

"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."