Games like Orbital Defense Idle

Defend your starship in this endless sci-fi tower defense game! Form your ultimate squad of 2D heroes, permanently upgrade your spaceship's hull and defenses, and unleash powerful ultimate abilities to survive relentless waves of cosmic alien invaders in the vast void. If you enjoyed this game, see our list of games similar to We Grow Together.

About the GameGalaxy for Dummies is a ridiculous roguelike auto-battler set in a chaotic, cartoon-style sci-fi universe. Your mission? Recruit the weirdest alien commanders you can find, assemble bizarre teams, and outsmart everything the galaxy throws at you. No space academy diploma required. The StoryThe galaxy is falling apart… probably. No one’s entirely sure, but there’s a lot of shouting, … If you enjoyed this game, see our list of games similar to Galaxy for Dummies.

W.A.S.P. - Warrior And Scout ProtocolDescription:W.A.S.P. is an intense rogue-lite where the fast-paced, enemy-swarming chaos of games like Vampire Survivors meets the precision and action-packed shooting of classic SHMUPs like Raiden. Set in a dark, dystopian world overrun by monstrous entities, players take control of powerful airborne ships to fend off waves of increasingly difficult enemies wh… If you enjoyed this game, see our list of games similar to WASP.

Black Powder Magic is a fast-paced 2D action roguelite where precision, timing, and smart decisions are the difference between survival and defeat. On a distant planet consumed by the Infinite, you play as Kalewar, the Black Powder Mage, sent to uncover the truth behind a growing infestation. What begins as an investigation quickly turns into a relentless fight against escalating threats—and a fi… If you enjoyed this game, see our list of games similar to Black Powder Magic.

**Wukong Survivors** is a top-down pixel-art action roguelite where you fight through endless waves of enemies, collect powerful upgrades, and forge game-breaking builds — all set in a world inspired by Eastern mythology and martial arts legends. ### Survive. Level Up. Dominate. Hordes of monsters flood the battlefield. Every level-up gives you a choice of three upgrades — pick wisely, and your … If you enjoyed this game, see our list of games similar to Wukong Survivors.

Stranded at the Edge of ExistenceAfter a catastrophic first contact shatters humanity’s expedition fleet, you and a small group of survivors crash-land on a hostile, unknown world in the Lost Galaxy—a forgotten corner of the universe, beyond charts and signals. With no help coming, your only hope is to build, defend, and rediscover what remains of our fractured civilization. Can you survive the e… If you enjoyed this game, see our list of games similar to Lost Galaxy: Echoes of War.

Cell Defense is an incremental tower defense set inside the body. You command a single antibody at the center of the cell while viruses, bacteria, and mutating swarms pour in from every side. Survive, bank what you earn, and pour it into weapons, cards, and upgrades that shape your build and push the next run further than the last. Survive, earn, repeatPlan a build, start a run, and collect the… If you enjoyed this game, see our list of games similar to Cell Defense.

Spin the Reel. Master the Dungeon. Aethinion is a turn-based roguelike dungeon crawler where every battle is driven by a randomised orb reel. Choose wisely, build powerful combos, and adapt your strategy as you descend through 23 handcrafted dungeon levels — including a hidden endgame challenge. The deeper you go, the harder it gets — and the better your build needs to be. Unique Slot-Based Com… If you enjoyed this game, see our list of games similar to Aethinion.

Fight. Convert. Die. Go back stronger. Project AionIX is a top-down roguelike space shooter built around a time travel loop. Every run you push through alien-infested sectors, build your ship mid-battle, and collect what you can before the timeline resets. Death is not the end. It is the reset point. Wave Survival Already live and ready to play. Wave Survival is a pure arcade mode built around … If you enjoyed this game, see our list of games similar to Project AionIX.

79%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, music

81% User Score Based on 48 reviews

Combat Complex is a fast-paced ARPG / roguelike hybrid with lasers, alien bugs, WASD / twin-stick controls, random loot, and procedurally-generated levels. Wield legendary weapons, unlock devastating skills, create overpowered builds – and turn your enemies' attacks against them. Try the free demo! ARPG / ROGUELIKE HYBRIDLoot is permanent (as soon as you bring it home) but power-ups are lost on d… If you enjoyed this game, see our list of games similar to Combat Complex.

Development Notice: The system is still evolving. Please note that some images or screenshots may be out of date or showcase unreleased content. Visuals will be updated as development continues. THE HOUR YOU WEREN'T SUPPOSED TO DIAL Somewhere on the dead end of the phone network is a board that only answers at one hour. Log in as an operator, build your deck, and descend through three corrupted … If you enjoyed this game, see our list of games similar to The Drawn Hour.

CLIMB THE TOWER. BUILD YOUR PARTY. ADAPT OR FALL. Edroseph's Tower is a dark fantasy tactical turn-based roguelike RPG, playable solo or in online co-op with up to 4 players. Every run begins at level 1. No permanent power carries over from previous ascents. What defines each run is the party you build, the rooms you encounter, the equipment you find and the decisions you make along the way. Cl… If you enjoyed this game, see our list of games similar to Edroseph's Tower.

70%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:story, graphics

100% User Score Based on 30 reviews

Critic Score 50%Based on 3 reviews

Raze the road less traveled with your Vulvehicle, the ultimate all-purpose armored combat machine! Whether flying through the sky, or burrowing deep underground, these gals stop at nothing to blast through terrain and enemies alike in this comical action STG! If you enjoyed this game, see our list of games similar to Armored Lab Force VULVEHICLES.

80%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:grinding, stability

81% User Score Based on 877 reviews

Critic Score 78%Based on 2 reviews

Tower defense game with a 50-level campaign across 5 worlds. If you enjoyed this game, see our list of games similar to Revenge of the Titans.

Team up with powerful pets, battle menacing monsters, and gather and upgrade your gear to become a legendary hero. Unleash ultimate skills, challenge epic bosses, and immerse yourself in a captivating storyline. Experience addictive gameplay with idle progression, strategic upgrades, and auto-combat. Perfect for fans of idle, AFK, and incremental games. You’ll run into 60+ minion types and… If you enjoyed this game, see our list of games similar to TION: Hero Awakening — Idle RPG.

Defend the Portal. Survive the Swarm.Humanity’s last gateways are collapsing. Fight against relentless alien hordes as you defend massive interdimensional portals across hostile worlds in this fast-paced sci-fi top-down survival shooter. In Lost Galaxy: Survivors, survival alone is not enough. Every run is a desperate battle to protect the portal from overwhelming enemy swarms while building dev… If you enjoyed this game, see our list of games similar to Lost Galaxy: Survivors.

Rogue Station Defense is a roguelike tower defense game where you travel between planets, space stations and starships to clear out alien infestations. Open the doors and let the aliens loose, while building powerful towers to defeat them! Collect credits and items to research technology and upgrade your towers. Features Exciting tower defense gameplayProcedurally generated maps, monsters, towe… If you enjoyed this game, see our list of games similar to Rogue Station Defense.

Dive into the ultimate card-based incremental adventure! Bild your deck by mighty cards, battle with a new HD styled monsters, and evolve your power infinitely. In Card Storm Idle HD, you are the master of a growing card arsenal. Slay monsters, gather resources, and unlock devastating cards to build an unstoppable deck. Strategically invest in your cards to strengthen their power, push through … If you enjoyed this game, see our list of games similar to Card Storm Idle HD.

Recruit. Merge. Mow Down Endless Hordes. Welcome Back to Work is a fast-paced survivors-like action roguelite set inside a corporate apocalypse. One bathroom break was all it took. Now the office has become an endless death loop. Stationery has turned hostile, mutant plants have swallowed the building, and swarms of grotesque office creatures fill every floor. Build your team, create unstoppab… If you enjoyed this game, see our list of games similar to 欢迎继续上班 (Welcome Back to Work).

Intergalactic Defenders is a retro-inspired space shooter combining fast-paced arcade action with rogue-like progression and handcrafted pixel art. If you love classic shoot 'em up (shmup) gameplay with modern upgrades and replayability, this is your next obsession. The year is 2187. Humanity's colonies are under siege. The alien Caedons have launched a merciless invasion — and you're the United … If you enjoyed this game, see our list of games similar to Intergalactic Defenders.

Build and defend a mining operation on a distant planet in this tower defense bullet heaven shooter. Build and upgrade defenses, fight off waves of enemies from a rival corporation, and earn enough credits to buy your body back and escape this deep space hellhole. If you enjoyed this game, see our list of games similar to Polydangerous.

Vector Storm is a fast-paced top-down arcade shooter that rewards aggression, precision, and smart builds. Fight through endless waves of escalating enemies, survive devastating boss encounters, and grow stronger with every run. Survive. Build. Repeat. Each run drops you into an arena that gets deadlier by the wave. Clear enemies to earn credits, spend them in the mid-run shop on weap… If you enjoyed this game, see our list of games similar to Vector Storm.

Glyph Gambit: Endgame is the game we always wanted the original to be: a tactical grid battler built around a real chess engine. Every move is grounded in authentic chess rules, then pushed into new territory with items, board hazards, and progression systems that give you room to experiment, break patterns, and create your own style. You’ll outmaneuver enemies with true chess movement, deploy co… If you enjoyed this game, see our list of games similar to Glyph Gambit: Endgame.

68%Game Brain Score

Most mentioned positive aspects:optimization, graphics

Most mentioned negative aspects:gameplay, grinding

82% User Score Based on 34 reviews

Recursive is a recursive incremental game about helping your kingdom survive by building yourself into something unstoppable. You start by clicking enemies for XP, then you turn that into upgrades that unlock more systems, more currencies, and more ways to scale. Unlock towns with their own minigames and progression, route their output back into your build, and keep feeding everything into your k… If you enjoyed this game, see our list of games similar to Recursive.

91%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:story, grinding

91% User Score Based on 152 reviews

Brace yourself for the explosive action of Let Them Come: Onslaught, a fast-paced roguelite shooter where survival means adapting, upgrading, and unleashing devastating firepower. Battle relentless alien swarms across procedurally generated stages, unlocking new weapons and stacking brutal upgrades with every run. Whether you're clearing the screen with flamethrowers, orbital strikes, or Photon Sa… If you enjoyed this game, see our list of games similar to Let Them Come: Onslaught.

69%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization

92% User Score Based on 26 reviews

"Our ambition was…quantum. We truly believed we were prepared to explore the deep universe. The hubris."

Welcome to Castaway Station, an exciting survival game that takes you on an unintended journey on a hostile planet after a catastrophic accident on your space cruiser. Stranded on an unknown planet with limited resources, you must use all your wits and skills, along with any tools you scavenge… If you enjoyed this game, see our list of games similar to Castaway Station.

88%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

92% User Score Based on 3,624 reviews

Critic Score 67%Based on 1 reviews

At its core, Space Pirates and Zombies is an action based, skill oriented, top down space combat game. It's similar to the ones we knew and loved in years past, but now using full physics simulation and modern graphics for those oh so pretty explosions. But as you dig deeper, SPAZ becomes much more. If you enjoyed this game, see our list of games similar to Space Pirates and Zombies.

95%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

95% User Score Based on 3,588 reviews

Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy. If you enjoyed this game, see our list of games similar to Infested Planet.

91%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, replayability

91% User Score Based on 1,860 reviews

Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home. If you enjoyed this game, see our list of games similar to Starcom: Nexus.

84%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, grinding

84% User Score Based on 83 reviews

Epic sci-fi tower defense action with 16-bit era look and feel, pitching your colonists against an almost endless horde of hostile alien robots who strongly oppose your attempts of colonizing their planet! Deluxe version includes the soundtrack! If you enjoyed this game, see our list of games similar to Alien Robot Monsters.

With resources exhausted, humanity traveled through a wormhole to a dimensional universe and discovered Stellacore energy, the lifeblood of civilization. The unmanned space station was fully controlled by the artificial intelligence Aethis, until dimensional native creatures launched a massive invasion and frantically plundered Stellacores. To protect humanity's last lifeline, Aethis awakened you … If you enjoyed this game, see our list of games similar to Stellacore Defense.

Shoot. Upgrade. Die. Repeat. Endless Void: Idle Tower Defence, a minimalist incremental game where your only objective is to hold the line against mathematically infinite waves of enemies. Start with a single, basic cannon. Through persistent upgrades, deep research trees, and raw firepower, evolve your lone tower into a cosmic fortress capable of tearing the fabric of space and time. Whether you… If you enjoyed this game, see our list of games similar to Endless Void: Idle Tower Defence.

ENTER AN ENDLESS, UNBOUNDED BULLET HELL XenoVector is a fast-paced top-down bullet-hell roguelike set across a procedural world with no boundaries and no final wave. Follow mission signals, destroy escalating enemy formations, defeat powerful bosses and transform their relics into a devastating combat build. Choose from three distinct pilot ships: the resilient Aegis, high-speed Interceptor,… If you enjoyed this game, see our list of games similar to XenoVector.

Chromatic Battles is a 2D action/strategy game with tower defense mechanics and color-based combat. The player defends a rotating ship against enemy waves, damaging them only with bullets that match their color. It features planet-based progression, an inter-level upgrade system, and a cartoonie visual style. If you enjoyed this game, see our list of games similar to Chromatic Battles.

《Crystant》 is a strategy survival game that combines story-driven exploration, board game-style tile connection, tactical turn-based combat, and Roguelite progression. Explore each floor, manage resources, strengthen your team, and fight against mutated creatures. If you enjoyed this game, see our list of games similar to Crystant.

55%Game Brain Score

Most mentioned positive aspects:graphics

Most mentioned negative aspects:gameplay, music

91% User Score Based on 11 reviews

A Rogue A.I. simulator that sits at the bottom of your screen. Take over the world while taking care of other tasks! If you enjoyed this game, see our list of games similar to Rogue AI: Idle Domination.

84%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding

87% User Score Based on 47 reviews

One-line gameplay loop Take a contract → choose how to handle encounters → salvage & recycle → refit your fleet → return, settle the bill, and head out again for bigger risks and bigger rewards. Clash of Starships: The Art of Tactics This isn’t a lone ship run—it’s fleet deployment and tactical decision-making. Let the AI handle routine combat, or take manual control to focus fire and reposition f… If you enjoyed this game, see our list of games similar to NonentityGalaxy.

88%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

88% User Score Based on 73 reviews

Critic Score 88%Based on 1 reviews

Call on the elements and evolve mighty creatures as you unleash an arsenal of spells to defend against waves of enemies, all on your epic journey to seal the rift and crush the undead invaders. Choose your spells & upgrades - it's time to go elemental! If you enjoyed this game, see our list of games similar to Demonlore.

Sky Scaffold — Build a Legacy in the VoidConstruct a sky-high industrial tower. Ascend into orbit. Manage a living colony. In Sky Scaffold, you enter the Fourcade Expanse, a hostile sci-fi frontier where resources are finite and entropy is the constant threat. You start on a barren planet, laying the foundation for an industrial empire. But unlike other idle games or roguelites that reset everyth… If you enjoyed this game, see our list of games similar to Sky Scaffold.

86%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

86% User Score Based on 865 reviews

Welcome to Drill Core, where corporate greed meets strategic planet-mining! By day, lead an elite crew of miners, carriers, and guards as they carve a path through hostile alien worlds. Build advanced facilities, upgrade deadly turrets, and prepare for relentless nightly assaults from alien lifeforms. Will you chase maximum efficiency at any cost, or play it safe and fight to survive? Drill Core i… If you enjoyed this game, see our list of games similar to Drill Core.

84%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization, atmosphere

84% User Score Based on 215 reviews

Sodaman, he's a space agent. He must stop the hostile aliens trying to destroy the universe and save the carbonated drinks they destroyed. Maybe you should help him out? If you enjoyed this game, see our list of games similar to Sodaman.

92%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

92% User Score Based on 471 reviews

The Great Gate has opened; adventure and riches await!Welcome to the Canis Major dwarf galaxy! We hope that your trip through the Great Gate was a safe one; many of the fortune-seekers that embark on this dangerous journey never make it this far. After all, an unauthorized jump of 25,000 light years through a heavily guarded artificial wormhole is bound to cause some issues – both technical and le… If you enjoyed this game, see our list of games similar to Vanguard Galaxy.

91%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability

91% User Score Based on 107 reviews

Ghost Signal is a VR action roguelite set in the Stellaris universe, where you captain your ship to battle a multitude of alien species. Partake in dynamic space wars, encounter planet sized creatures, gather valuable loot to conduct research, and more. No journey is the same. Will you find the origins of the mysterious Ghost Signal? If you enjoyed this game, see our list of games similar to Ghost Signal: A Stellaris Game.

74%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, stability

77% User Score Based on 900 reviews

Critic Score 66%Based on 3 reviews

Who 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. If you enjoyed this game, see our list of games similar to Gratuitous Space Battles.

67%Game Brain Score

Most mentioned positive aspects:story, music

Most mentioned negative aspects:grinding, gameplay

67% User Score Based on 49 reviews

Critic Score 70%Based on 1 reviews

Steel Shadows is a standalone RPG set in the epic universe of Ancient Frontier. Take command of a rag tag band of pirates and outlaws as you fight your way across the Frontier for treasure and glory. Delve into our latest turn based tactical RPG. If you enjoyed this game, see our list of games similar to Ancient Frontier: Steel Shadows.

87%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

87% User Score Based on 1,142 reviews

Buggos is an RTS Auto Battler where you direct a bug swarm to conquer the planet from the dirty resident humans! You unlock evolution points when defeating the humans in battle allowing you to customize your bug swarm. You are the bad guys! You are the evil bugs! You are here for blood! If you enjoyed this game, see our list of games similar to Buggos.

90%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, stability

92% User Score Based on 29,778 reviews

Critic Score 83%Based on 2 reviews

The Lich has thrown the world into a timeless loop and plunged its inhabitants into never ending chaos. Wield an expanding deck of mystical cards to place enemies, buildings, and terrain along each unique expedition loop for the brave hero. If you enjoyed this game, see our list of games similar to Loop Hero.

71%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:gameplay, grinding

73% User Score Based on 112 reviews

Critic Score 67%Based on 5 reviews

"Developed by OneorEight and previously released in Japan under the name Earth Wars, "Earth’s Dawn" fuses frenetic side-scrolling action mechanics with RPG elements and a hard-edged manga aesthetic to deliver a deep and unique gameplay experience. From the outset Earth’s Dawn gives gamers the freedom to enjoy the game their way – from creating their own character; customization of skill trees to … If you enjoyed this game, see our list of games similar to EARTH'S DAWN.

89%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, monetization

94% User Score Based on 3,663 reviews

Critic Score 85%Based on 26 reviews

SteamWorld Heist is a game about space adventures and strategic shoot-outs. Play as Captain Piper and recruit a team of rag-tag robots to explore and scavenge the remains of a destroyed world. Board enemy spaceships and command your crew in a unique variety of turn-based combat, where the outcome is determined purely by your own skills. If you enjoyed this game, see our list of games similar to SteamWorld Heist.

The Infinite Descent AwaitsPlunge into the depths of an endless, unforgiving dungeon in Ascension: The Infinite Descent. Your goal is simple: survive and descend as far as possible into the abyss. Make no mistake—you will die, and you will die often. But in this dungeon, death is the engine of your progression. The deeper you manage to push into the darkness, the greater the rewards you reap, acce… If you enjoyed this game, see our list of games similar to Ascension: The Infinite Descent.