Top similar games like OrbiTower:

A Roguelike Tower Defense in space with missions to conquer. Can you hold against the spreading alien bosses? Build and upgrade towers against the corruption. Choose your technologies and warpspeed your way to victory.

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?

A cute, challenging roguelite tower defense. A campaign across 4 planets, 14 unique towers, a map editor, endless mode and a massive skill tree for gameplay that's all your own.

Co-op twin-stick base building survival game.

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

BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX

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.

Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.

Try to survive in infinite asteroid cloud as long as possible in reworked tower defence style. FInd your own playstyle and beat your own records or chillout with original ambient soundtracks. Build, explore, think - everything to create your own colony in this cold space.

Zero Bugs Given is a tower defense / roguelike game designed with the ambition of making every run different from the others. Every wave, a pair of bonus and malus will force you to adapt in the best way you can. Build your defense and try survive as long as you can!

Build towers, shape enemy paths, and defend your outpost from endless waves. Survive escalating threats, destroy falling asteroid hazards, and push your defenses to their limits in Endless Mode.

Design your own spaceships and assemble a fleet to fight in epic PvP battles. Ships are fully destructible and manned by persistent crew members including yourself. Ranked/casual matchmaking, PvE for practice. Show your creativity, strategy and tactics to defeat enemy Admiral!

Chromatic Odyssey is a real-time strategy roguelike where you command a rising Type II civilization. Conquer territories, harness advanced technology, and adapt to procedurally generated challenges. Deploy powerful abilities and shape the fate of your empire in an ever changing galaxy.

Can you create the raddest spaceship? Captain Forever Remix is the spaceship builder roguelike. Voyage across the Solar System and blast apart randomly-generated enemies for spare parts. This is an officially-licensed re-imagining of the indie classic Captain Forever.

Null and Void is a darkly satirical deckbuilding tower defence where even death doesn't free you from debt - your clone just inherits the bill. Only mining pays enough to survive and that means destroying entire worlds, but hey, there are always more planets.

Defend attacks from enemies from all directions within a limited time. Only by making full use of the differences in each tower and choosing appropriate random rewards can you survive.

A planetary tower defense where enemies attack across land, air, and space. Build layered defenses, manage resources, and survive an escalating alien invasion.

A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.

Upgrade and evolve, expand your territory, and build mighty defense towers to repel hordes of monsters.

Mechanical Trap is a 2D horizontal tower defense game with gravity effects, with a variety of defense towers to collect and use together, a rich map, each enemy has a different way of restraining, and each defense tower has a different function.It's challenging. Do you dare to accept the challenge?

"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!"

Command your ship in Conqueror Of The Galaxy, an intense roguelite survival and bullet hell game. Face relentless defenses as you conquer entire galaxies, overcoming swarms of enemies and choosing strategic upgrades to become the ultimate conqueror!

Defend against evil snails with a variety of plants in this Tower Defense while YOU have to make constant decisions how your enemies get stronger.

Defend the evacuation of Terra on the losing side of an alien invasion. This experimental action strategy game breaks out of genre norms to provide fresh mechanics to strategic gaming.

Grey Galactic is a real time strategy game in space where you build up your planets and ships to conquer your enemies. Develop your empire and fleet of spaceships to destroy your enemies and take over the galaxy! Do you have what it takes to become the best Fleet Captain the UFMC has ever seen?

Use ships to attack and destroy enemy space stations in real time.  Navigate through different randomly setup star maps to get to the exit and win.  It's a 2D single player space game that's massively replayable.

You are in command of the human fleet, searching for asteroids to mine, extract resources and build bases and more ships to defeat aliens invaders. This simple and short action RTS has a full and exciting campaign, and a skirmish mode that allows you to play a different mission on every match.

A build-focused tower defense where you craft powerful synergies, experiment with items, and push your strategy through short, highly replayable runs.

Upgrade your engine’s arsenal in this bullet hell, tower defense roguelite featuring the most heavily armored locomotive in existence. Engineer and command the Ironfront Express in a unique take on lane defense where you upgrade with specialized turrets, drones, and tactical abilities.

Capture and upgrade planets, outsmart your enemies, and conquer the galaxy! Simple yet addicting, you can play alone or outsmart your friends in this 2D top-down space RTS. Completely free, no monetization, just fun!

This is an RTS game less than 300MB, but it already contains many interesting game mechanics, There are many types of soldiers and tactics for you to choose. Support LAN online battle. Special Thanks for Pixel Art <Tiny Swords> UwU~ I hope you will be interested in more RTS games after playing :)

An ADORABLELY SQUISHY rougelite game~! Command your army of slimes using the power of overwhelming number of Slime to gather and claim resources! But be AWARE of the time, because if it runs out before your lil guys are home, then The Horsemen will come charging!

Command an army of battle-ready chickens in this roguelite, micro-focused RTS. Hatch new units, expand your numbers and upgrade your flock into an unstoppable clucking force of destruction!

Refactor is a hard-core tower defense game that combines modular building, route planning, and element composition.

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.

The first ever auto-battler game, from way back in 2009Who needs backstory? Who needs resource-gathering? Diplomacy is so last year. Gratuitous Space Battles cuts right to the chase of sci-fi strategy games, and deals with large, completely unjustified space battles between huge opposing space fleets.