Top similar games like Space Base:

Space Year 2899. As the new Operations Chief of Japan's Space Facility Defense Office, protect orbital colonies from debris, space lifeforms and drone fleets. Build and upgrade defenses on 10 orbits with different routes, and reshape your tactics with 130+ research projects.

A last-stand auto-battler on a dead magic world. Choose your heroes, upgrade their abilities, and try to hold on one more night.

Free-form space defense in real time. Mine asteroids, route power from Helios and hold off pirate fleets. Lose one Conductor and a whole flank goes dark. Build without a grid, choose your weapons and take on 21 levels.

Defend your Nexus by placing mirrors and buildings on the path of your projectiles. Deflect, empower, manage and solve each map using your creative and strategic mind.

A rogue-like sci-fi Tower Defense strategy game with infinite replayability!

Tower defense where the maze is yours to build and the ammunition is yours to manufacture. 16 towers, a factory of belts and assemblers fed by enemy debris, and a card every wave. Reach wave 50 — then find out that Hard was the easy one.

Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!

A pixelated 2.5D RTS meets tower defense as you battle mutated ants in a short campaign. Build walls, place turrets, and hold the line to reclaim Earth's surface in this tactical fight for survival where placement of everything matters.

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

Bumper Blitz TD redefines tower defense with gravity-powered physics and dynamic gameplay. Build, upgrade, and bounce enemies away in this thrilling fusion of strategy and action!

Build your own towers from modular units, adapt mid battle, and master custom defenses in this Build-a-Tower Defense.

Tower defense / Roguelike / Sci-Fi / Pixel Art game with boomer games aesthetics. Mine resources and shoot those disgusting aliens right in their faces. Unlock new technology, develop new strategies and explore the planet. A modern old-school Pixel Art experience with the vibe of 90s classics.

Raise a fallen keep by day, and hold it through the dark. Villagers with names and tempers fell timber and work the fields — then take up spears when night comes. A dark fantasy settlement-builder defense game.

This is a 2D defense game that depicts the near future that may arise from climate change. Unlike the defense game, which is automatically attacked by traditional turrets, it is an attractive game that requires you to defeat the enemy by operating the turret directly with limited power.

Gutfarm is a top-down 2D pixel art game that blends farming, tower defense, and survival elements. On this alien island, you will expand and grow your farm by planting crops, unlocking genetically mutated varieties, defending against waves of monster attacks, collecting relics, and more!

2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.

Hold the line in a neon sci-fi siege. Deploy and upgrade 15 distinct towers, expose every enemy's weakness, and survive 50 escalating waves and relentless boss assaults. Every threat has a counter — find it before your base falls.

1-person Topdown strategy game. Plant seeds to defend enemy and grow roots. Terraforming the planets!

Defend your planet from relentless stream of incoming asteroids in this fast-paced 2D tower defence game. Strategically place defensive buildings and upgrade your arsenal to protect your world from destruction!

Spectral Realm is a top-down tower defense Rogue game, where players need to play the role of an astronaut who has just landed on a different planet to block a constant stream of attacking native creatures and continuously strengthen themselves with the gems contained within their bodies.

We've traveled to the past to conquer these fertile lands. Now, you must defend them from the blood cult intent on taking it for themselves. Be careful though: from where their blood is spilled, ancient magicks empower whomever is still alive.

Solar Defense is a Military Sci-Fi inspired Tower Defense game focused heavily on strategy and decision making. Defend key locations and repel the Pilakarr forces back to their home world to end their attack and bring an end to this war.

Power the Unknown is a strategy game where you build a base on an unexplored planet and defend it from swarms of hostile bugs. Mine resources and generate enough energy to power your ever-growing base.

"In 'Random Core Defense,' acquire and enhance cores using limited resources to withstand relentless enemy onslaughts. Defeat powerful bosses and test your strategy to survive until the very end!"

A sci-fi tower defense game where you bend the rules of combat. Deploy defense towers to exploit color-matching enemy vulnerabilities and construct game-changing outpost facilities between rounds. Play as a newly activated Child AI trying to survive both the invaders and a stressed Mother AI.

Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.

Build by day. Survive by night. A focused medieval tower defense where every decision is permanent.

NuTREEnts is a strategic tower defense roguelike about growing and expanding your forest. Plant saplings, fend off bugs, and explore a desolate planet while you grow a mighty colony of trees!

Build your defense base to repel alien invaders. Atahion is a strategy and tactical defense game in which you have to extract resources, build defense towers and use bonuses to complete the mission.

Touhou Mushroom Defense is a Touhou Project fan-made game. It’s a defense game where Marisa turns mushrooms into towers to defeat enemies. In the game, you need to gather materials to build towers and construct towers to block the enemy’s path.

Defend the energy cores from ever increasing enemy waves by destroying their spawn gates. Build tower mazes on Hex grid. Adapt them to dynamic changes in the terrain. Face quirky bosses. Design your own levels and share them on the Steam Workshop.

Hexfall is a planet-scale tower defense game where over 100,000 enemies attack at once. Mine the crust, wire the power and arm a hex world against an armada that fills the sky long before it comes down.

The goblin tribes of the realm have united against you and the power of the Eye of the Void. Build towers, fortify walls, construct gold mines to gather resources, and cast powerful spells to fend off waves of determined goblins and their allies who seek to destroy you.

Customize your Ships, Upgrade your fleet, and Command your way to victory in this ruthless rogue-lite tower defense/real time strategy hybrid. Take on an enemy that learns from your moves and adjusts its own path. Do you have what it takes to persevere?

Plant towers, hold the Nexus. A pixel-art tower defense where population caps how wide you can build, gold and mana decide what you build with. Draft augments as you level, spend gems on a permanent power-up tree, and find out how long your walls hold.

A strategic and action-packed base survival game where you mine crystals, build units, and defend your base against waves of UFOs. Defeat enemies, gather resources, and unlock new planets to expand your defenses. Are you ready to conquer the galaxy?