First Day: Home Defender
Build and protect your home after a nuclear apocalypse!
72% of 32 Steam reviews are positive$0.49
Games like Orbit Defender
Loved how fast-paced and minimalist Orbit Defender can get? You might settle into these games easily.
Planetary Defense: An Orbital Turret Defense System
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.
Fast-paced
100% of 3 Steam reviews are positive$1.99Guardian: Planet Defense
Take command of an orbiting defense satellite in this action-packed planetary defense shooter. Blast away at waves of incoming asteroids and crafty aliens before they destroy your planet. Scavenge powerful weapons from vanquished alien ships and turn them against your foes. How long can you survive?
Fast-paced
$3.99Pixel Orbit
Incremental game about defending Earth from impending danger. Develop your Skill Tree to setup automatic turrets and various other defensive mechanisms.
Minimalist
78% of 36 Steam reviews are positive$3.99Save Our Solar System
Save Our Solar System brings a fresh look on the tower defense genre. Shape the world around you with a lovable playable character. Harvest metal to upgrade towers. Collect rocket parts to advance to further planets. Fend off endless waves of asteroids.
Fast-paced
89% of 9 Steam reviews are positiveFreeCosmic Crusher
Incremental game about protecting solar system. Destroy asteroids with a huge arsenal of weapons, upgrade your skills through a massive skill tree, and defend the solar system from hostile alien fleets. How far can you go?
Fast-paced, Minimalist
100% of 5 Steam reviews are positive$3.74Orbital Tower Defence
Build towers on rotating orbital rings to defend your planet. Discover powerful upgrades, battle elite enemies and bosses, and master unique planets with distinct challenges.
Fast-paced, Minimalist
100% of 4 Steam reviews are positive$0.99Planet TD
6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!
73% of 123 Steam reviews are positive$2.99Artificial Defense
Artificial Defense is a one man made, real time strategy game combining orbital shooter and tower defense components within an electrifying, virtual reality setting. You are the machine, a mighty computer-system defending its servers against swarms of intruding creeps.
Fast-paced
76% of 71 Steam reviews are positive$2.99Planetary Defense Force
Jump into the shoes of an interplanetary defender! Grab weapons, build towers, expand ground economics and protect planets from space invasions in this unique mix of twin-stick shooter, tower defense and city builder game.
Fast-paced
$5.99STELLAR BASTION
A sci-fi space station defense auto-shooter where you repel enemy fleets with missiles, mass drivers, phase weapons, and railguns. Upgrade your arsenal, adapt your build, and hold the line against overwhelming odds.
Fast-paced, Minimalist
88% of 8 Steam reviews are positive$2.99Galactic Missile Defense
Galactic Missile Defense is a shooter and tower defense game, where you must protect Earth from the invading Martians that declared war on our planet just because a space rover accidentally ruined their picnic!
Fast-paced
59% of 27 Steam reviews are positive$1.99Homeworld Defense
Homeword defense is a strategic game in which you will protect your planets from the waves of asteroids, find out why they appear and save your world from the threat once and for all. To protect the world, you will have to use weapons that asteroids can help you discover.
Fast-paced
30% of 10 Steam reviews are positive$0.99
Cheaper than Orbit Defender
Martians Vs Robots
Martians want to regain control of their planet! But we have not yet finished exploiting Martian mining resources...
33% of 6 Steam reviews are positive$0.69
Cube Defense
You left alone camping in the mountains ... But during this time a virus has invaded the country and a cubic horde is heading towards you!
62% of 60 Steam reviews are positive$0.69
Priceless Return
Relaxing Idle · Casual Mining · Bring Everyone Home! "Insufficient energy to return... but there's ore ahead!"
80% of 92 Steam reviews are positive$0.79
NEOMORPH
This is a simple tower defend like game,click mouse left button to shoot enemies, make sure you don't get hurt. Defeat Neomorph, fight with ladies!
75% of 670 Steam reviews are positive$0.49
Cube Land Arena
The kingdom of Cubia call for your help, come to this vast kingdom where you will face strong enemies and hard challenges, you are the chosen to…
67% of 282 Steam reviews are positive$0.49
O.R.B: Off-World Resource Base
An epic struggle for control!
79% of 102 Steam reviews are positive$0.79
Robowars
Robowars is back on Steam! Fight off troops of droids for freedom and honor in our classical tower defense game.
32% of 22 Steam reviews are positive$0.79
Shapeshooter
SHAPESHOOTER is literally an on-rail shooter, you'll have to clear colonies across 4 planets from a little creatures infestation called polygoneers.
56% of 27 Steam reviews are positive$0.49
Hell Madness
The leaders of the hellish hordes descended to earth and now plunge the world into an abyss of pain and suffering, but the servants of light took…
30% of 20 Steam reviews are positive$0.49
Destropolis
Destropolis is a top-down shooter game with a fully destructible environment, hundreds of enemies and nuclear explosions.
89% of 260 Steam reviews are positive$0.77
Strategy Core
Lead your clan from a small settlement all the way to the launch of a colony ship.
100% of 16 Steam reviews are positive$0.69
Hidden gems like Orbit Defender
Planet Killer
A fast top-down shooter where your weapons permanently reshape simulated worlds, run after run, alone or with up to five friends.
82% of 140 Steam reviews are positivePlayers online now: 19$12.99
Space Cycle
Space resources are the battleground for warring factions. As a Space Defense Officer, protect your faction's assets in a vast, hostile universe.
93% of 179 Steam reviews are positive$1.99
SHOOPER NOVA
Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress.
83% of 550 Steam reviews are positivePlayers online now: 5$6.99
Planet TD
6 different types of towers! 4 planets with different characteristics! 25 different enemies.
73% of 123 Steam reviews are positive$2.99
Transport Defender
Defend a transport ship from waves that never shoot back, aiming one turret while your growing arsenal of auto weapons does the rest.
79% of 461 Steam reviews are positivePlayers online now: 14Free
Siege of Centauri
Defend against thousands of enemies in this explosive tower defense game.
64% of 352 Steam reviews are positive$14.99
Radiant Defense
MILLIONS OF ALIENS WILL DIE!Radiant Defense is a tower defense game set in a vibrant universe invaded by countless alien hordes.Build your space…
82% of 141 Steam reviews are positive$9.99
Beware Planet Earth
Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time.
80% of 178 Steam reviews are positive$4.99
Revenge of the Titans
The ultimate mash-up of Real-time Strategy and Tower Defense!
81% of 665 Steam reviews are positivePlayers online now: 3$14.99
Cosmic Dust & Rust
Cosmic Dust & Rust is a tower defence game set in space. Upgrade your ship, build turrets and defence systems, undergo side missions and take…
58% of 218 Steam reviews are positive$1.99
Forbidden Planet
"Forbidden Planet" is a Space Strategy and Tower Defence like Game.
51% of 139 Steam reviews are positive$4.99
Guardian: Planet Defense
Take command of an orbiting defense satellite in this action-packed planetary defense shooter.
$3.99
Newest games like Orbit Defender
Planet Killer
A fast top-down shooter where your weapons permanently reshape simulated worlds, run after run, alone or with up to five friends.
82% of 140 Steam reviews are positivePlayers online now: 19$12.99
Cosmic Crusher
Incremental game about protecting solar system. Destroy asteroids with a huge arsenal of weapons, upgrade your skills through a massive skill tree…
100% of 5 Steam reviews are positive$3.74
Orbital Tower Defence
Build towers on rotating orbital rings to defend your planet.
100% of 4 Steam reviews are positive$0.99
Pixel Orbit
Incremental game about defending Earth from impending danger.
78% of 36 Steam reviews are positive$3.99
さーきゅらーディフェンス!!～とある辺境惑星開拓事務所、３０日の記録～
”Sacular Defense" is a real-time tower defense game in which you intercept enemies by placing circles around them to prevent them from hitting the…
100% of 4 Steam reviews are positive$8.99
Rise of the Cones: Planetary Defense
Rise of the Cones is a tower defense game where a relentless army of cones is marching toward your base. They will not stop.
83% of 46 Steam reviews are positive$9.99
STELLAR BASTION
A sci-fi space station defense auto-shooter where you repel enemy fleets with missiles, mass drivers, phase weapons, and railguns.
88% of 8 Steam reviews are positive$2.99
ESA SHIELD
Join the European Space Agency's SHIELD mission and discover why aliens aren't the biggest threat to us!
77% of 35 Steam reviews are positiveFree
SHOOPER NOVA
Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress.
83% of 550 Steam reviews are positivePlayers online now: 5$6.99
Cosmic Raze
Cosmic Raze is a sci-fi tower defense strategy game. Control advanced weapons, build powerful synergies, and then blast away as aliens attempt to…
81% of 21 Steam reviews are positive$3.49
Defense Builder
Defense Builder is a sci-fi tower defense game. Players can build various defense towers to resist enemy attacks.
68% of 47 Steam reviews are positive$12.99
