Games like Colony Siege

81%Game Brain Score

story, graphics

optimization, stability

86% User Score Based on 2,148 reviews

Critic Score 76%Based on 14 reviews

Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. If you enjoyed this game, see our list of games similar to DG2: Defense Grid 2.

83%Game Brain Score

story, graphics

stability, grinding

93% User Score Based on 1,918 reviews

Critic Score 73%Based on 9 reviews

X-Morph: Defense Complete Edition includes: X-Morph: Defense core game, European Assault DLC, Survival Of The Fittest DLC, Last Bastion DLC If you enjoyed this game, see our list of games similar to X-Morph: Defense.

84%Game Brain Score

story, gameplay

grinding, stability

95% User Score Based on 3,588 reviews

Critic Score 64%Based on 5 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.

76%Game Brain Score

story, gameplay

stability, grinding

76% User Score Based on 868 reviews

MarZ Rising is a tactical base defense game, which lets you discover a completely new gameplay experience of the tower defense genre! Build, manage and defend your martian base. Guide your crew safely through the thrilling campaign and solve the mystery of the undead. If you enjoyed this game, see our list of games similar to MarZ: Tactical Base Defense.

64%Game Brain Score

story, graphics

stability, optimization

64% User Score Based on 349 reviews

Critic Score 65%Based on 4 reviews

Thousands of alien machines are descending on Earth's first interstellar colony in this massive-scale new tower defense game from the publisher of Ashes of the Singularity and Sins of a Solar Empire: Rebellion. If you enjoyed this game, see our list of games similar to Siege of Centauri.

94%Game Brain Score

story, gameplay

grinding, stability

96% User Score Based on 6,430 reviews

Critic Score 80%Based on 1 reviews

A tower defense game where you have to defend Power Cores from being stolen. Tower construction is limited to specified platforms on where you can place 1 out of 10 diffrent upgradeable towers. Towers can not be destroyed by the enemies. Tower placement is key to progress in this game as they each have pros and cons. During the game you battle a variety of 15 diffrent "Insectoid" enemies with vari… If you enjoyed this game, see our list of games similar to Defense Grid: The Awakening.

76%Game Brain Score

story, gameplay

grinding, monetization

76% User Score Based on 554 reviews

An RTS game on a Sci-Fi setting made by the same crazy guys behind the Kingdom Rush saga.Players will command several squads of units ranging from specialized soldiers, unstoppable mechas and of course, Hero units both human and extraterrestrial. The fight spans across exotic planets against fearsome alien creatures and factions.This game won’t be a part of the Kingdom Rush franchise. It is an ent… If you enjoyed this game, see our list of games similar to Iron Marines.

80%Game Brain Score

story, graphics

grinding, optimization

80% User Score Based on 658 reviews

Bastion of ancient civilization, a keeper of galaxy wisdom is invaded by alien armies. Use powerful ancient technologies and defeat the attack of enemy armies! If you enjoyed this game, see our list of games similar to Ancient Planet.

94%Game Brain Score

story, graphics

grinding, stability

94% User Score Based on 357 reviews

Jump in to intense turret defense action with Sol Survivor! Build turrets to defend your colony and the innocent colonists within. Smash enemies with volleys of actively-controlled orbital support. Play with friends in co-operative and competitive multiplayer matches or test your mettle against our new Survival mode. Orbital Support - Get up close and personal with the enemy by calling down orbit… If you enjoyed this game, see our list of games similar to Sol Survivor.

82%Game Brain Score

story, gameplay

grinding, stability

83% User Score Based on 1,472 reviews

Critic Score 80%Based on 3 reviews

Space Run is a PC game that mixes strategy and space ship construction in real time, borrowing certain mechanics from the “tower defense” system with numerous twists and hyper dynamic gameplay. Space Run is a nod to ‘80s science fiction and pays homage to many of its tropes and references. If you enjoyed this game, see our list of games similar to Space Run.