The Riftbreaker
You are captain Ashley S. Nowak, a scientist-commando in a Mecha-Suit, sent through a one-way portal to planet Galatea 37.
90% of 22,340 Steam reviews are positivePlayers online now: 1,035$9.89
Games like Stellarcraft
If the replayable and colorful rhythm of Stellarcraft stuck with you, this helps. These games line up well for what comes next.
Stellar Initiative
Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!
Replayable, Colorful, Tense
76% of 406 Steam reviews are positivePlayers online now: 6$9.99Project Astra Dominium
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.
Replayable, Colorful
87% of 70 Steam reviews are positive$7.99Planetaries
Experience a vast Sci-fi open-world survival TD game set on a distant planet deep in the universe. Craft, build, mine, trade, explore, and survive in this alien world. Collect Data and defend against waves of enemies seeking to banish you. Enjoy the adventure in Singleplayer or Multiplayer.
Also in Co-op · Replayable
58% of 215 Steam reviews are positive$19.99The Riftbreaker
You are captain Ashley S. Nowak, a scientist-commando in a Mecha-Suit, sent through a one-way portal to planet Galatea 37. Build mines, refineries, power plants and labs to power a rift back to Earth, while thousands of alien creatures try to wipe you out. Solo or in online co-op for up to 4.
Also in Co-op · Replayable, Tense
90% of 22,340 Steam reviews are positivePlayers online now: 1,035$9.89World Crafter TD
A highly addictive survival crafting tower defense game! Gather, craft, build turrets, shoot guns, and expand the land to defend against waves of enemies in World Crafter TD!
Colorful
47% of 73 Steam reviews are positivePlayers online now: 18$14.99Citywars Tower Defense
A tower defense where you stand on the battlefield instead of watching from above. Fight beside your towers as monster waves close in on the Crystal, gather and craft between attacks, and split the work with friends before the next wave hits.
Also in Co-op · Replayable, Colorful, Fast-paced
79% of 1,127 Steam reviews are positivePlayers online now: 4FreeSiege of Centauri
Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.
Replayable, Colorful, Fast-paced
64% of 352 Steam reviews are positive$14.99Colony Siege
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Also in Co-op · Replayable, Fast-paced, Tense
91% of 199 Steam reviews are positive$19.99Revenge of the Titans
The ultimate mash-up of Real-time Strategy and Tower Defense!
Replayable, Colorful, Fast-paced
81% of 665 Steam reviews are positivePlayers online now: 3$14.99Outpost: Infinity Siege
Command a walking fortress that fights beside you. Loot ruined zones for parts, build up your outpost's guns, and hold the line when the machines come. First-person shooting, tower defense and base building in one loop, best with friends.
Also in Co-op · Replayable, Fast-paced, Tense
65% of 11,679 Steam reviews are positivePlayers online now: 55$24.99Desperate Place
Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship. Stranded on an unknown planet, you must gather resources, repair the ship, and defend against alien monsters to survive and escape.
Replayable, Tense
66% of 253 Steam reviews are positive$10.99Vectorio Classic
A minimalist survival base builder where every resource you claim makes your machines run hotter and the enemy shapes angrier. Research new weapons, plan your power grid, and take down four guardians.
Also in Co-op · Replayable, Colorful, Tense
93% of 1,474 Steam reviews are positiveFree
Cheaper than Stellarcraft
Planet TD
6 different types of towers! 4 planets with different characteristics! 25 different enemies.
73% of 123 Steam reviews are positive$2.99
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
Idle Stellar
Embark on an epic adventure through the cosmos in Idle Stellar. Gather, craft and upgrade your spaceship to destroy your enemies.
60% of 45 Steam reviews are positive$4.99
Minimalist Tower Defense
Build your defenses by day, then survive waves of enemies through the night in a clean, tense strategy game that is harder than it looks.
94% of 1,872 Steam reviews are positivePlayers online now: 12$4.99
2112TD: Tower Defense Survival
Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi…
87% of 433 Steam reviews are positivePlayers online now: 2$4.79
Astro Looter: Survivor
Explore alien planets to mine resources, kill alien insects, build defense turrets, and survive waves of insect attacks across the galactic frontier.
67% of 387 Steam reviews are positive$1.99
Arrival of Beasts
Discover one of the hardest tower defense games with strategic elements, individual gameplay and challenging mechanics.
94% of 32 Steam reviews are positive$8.99
Harvest: Massive Encounter
Harvest: Massive Encounter is an award-winning real-time strategy game with battles of epic proportions and a unique style of resource management…
78% of 136 Steam reviews are positive$7.99
ROD: Revolt Of Defense
Explore a random generated space. Find artifacts and treasure maps. Build and develop your base on a flying platform.
80% of 526 Steam reviews are positive$0.99
Ancient Planet Tower Defense
Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders.
84% of 878 Steam reviews are positivePlayers online now: 8$4.99
Craft Hero
Gather resources by day, build and recruit by noon, defend your village by night!
81% of 370 Steam reviews are positivePlayers online now: 2$4.99
Hidden gems like Stellarcraft
Stonewards
Mine for ore between monster waves, hammer out upgrades and defend your camp with up to three friends.
93% of 936 Steam reviews are positivePlayers online now: 122$9.99
Tower Factory
Mine resources, feed conveyor belts into towers, and survive monster waves while you search the fog for the enemy castle.
89% of 1,236 Steam reviews are positivePlayers online now: 23$14.99
Kritter: Defend Together
Explore, loot, and rush back to defend your ship against alien hordes.
86% of 112 Steam reviews are positive$9.99
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
Minimalist Tower Defense
Build your defenses by day, then survive waves of enemies through the night in a clean, tense strategy game that is harder than it looks.
94% of 1,872 Steam reviews are positivePlayers online now: 12$4.99
Mineral Defense
Mineral Defense combines tower defense with roguelite elements and procedural generation.
90% of 222 Steam reviews are positivePlayers online now: 2$14.99
The Perfect Tower II
Hold the waves, grow an island economy around your tower, and let simple commands handle the busywork while you chase upgrades and bosses.
86% of 4,533 Steam reviews are positivePlayers online now: 826Free
Keep Keepers
Tower Defense meets Base Management. Strategically place your defenses. Craft wacky ammunition like fiery peppers and boomerang bananas.
87% of 135 Steam reviews are positive$17.99
TDS - Tower Defense Strategy
TOWER ▪ DEFENSE ▪ STRATEGY. Control Vessels. Utilize their uniquely deep set of towers. Create an everchanging defense. Play with friends.
81% of 322 Steam reviews are positivePlayers online now: 4$17.99
Artificial Extinction 2
A Tower Defense hybrid where survival depends on strategy and firepower.
77% of 121 Steam reviews are positive$13.99
Tower Dominion
Shape the battlefield into kill zones, hold the line against waves of aliens, and rebuild your defenses every run.
85% of 5,254 Steam reviews are positivePlayers online now: 439$17.49
IDUN - Frontline Survival
A single-player defense RTS where your turrets are not stuck where you built them.
76% of 702 Steam reviews are positivePlayers online now: 5$14.99
Newest games like Stellarcraft
Stonewards
Mine for ore between monster waves, hammer out upgrades and defend your camp with up to three friends.
93% of 936 Steam reviews are positivePlayers online now: 122$9.99
Artificial Extinction 2
A Tower Defense hybrid where survival depends on strategy and firepower.
77% of 121 Steam reviews are positive$13.99
Kritter: Defend Together
Explore, loot, and rush back to defend your ship against alien hordes.
86% of 112 Steam reviews are positive$9.99
StarRupture
StarRupture is a first-person open-world survival and base-building game on a planet torn by recurring cataclysms.
80% of 12,612 Steam reviews are positivePlayers online now: 977$19.99
The Perfect Tower II
Hold the waves, grow an island economy around your tower, and let simple commands handle the busywork while you chase upgrades and bosses.
86% of 4,533 Steam reviews are positivePlayers online now: 826Free
TDS - Tower Defense Strategy
TOWER ▪ DEFENSE ▪ STRATEGY. Control Vessels. Utilize their uniquely deep set of towers. Create an everchanging defense. Play with friends.
81% of 322 Steam reviews are positivePlayers online now: 4$17.99
Tower Dominion
Shape the battlefield into kill zones, hold the line against waves of aliens, and rebuild your defenses every run.
85% of 5,254 Steam reviews are positivePlayers online now: 439$17.49
Desperate Place
Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship.
66% of 253 Steam reviews are positive$10.99
Stellar Settlers: Space Base Builder
Stellar Settlers is a chill space base/city builder and colony sim game.
69% of 748 Steam reviews are positivePlayers online now: 1$11.99
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
IDUN - Frontline Survival
A single-player defense RTS where your turrets are not stuck where you built them.
76% of 702 Steam reviews are positivePlayers online now: 5$14.99
Mineral Defense
Mineral Defense combines tower defense with roguelite elements and procedural generation.
90% of 222 Steam reviews are positivePlayers online now: 2$14.99