Games like Ad Astra: Sci-Fi Tower Defense

87%Game Brain Score

gameplay, humor

graphics, story

87% User Score Based on 176 reviews

Castle Craft is a game where players can build huge castles in an ancient wartorn world and must defend them against hordes of enemies in siege battles of epic proportions. Castle Craft is a unique blend of the voxel sandbox genre, action, and tower defense.

73%Game Brain Score

story, gameplay

grinding, stability

73% User Score Based on 266 reviews

Critic Score 75%Based on 1 reviews

Revolutionary Tower DefenseDANGER! Earth is under attack from a vast armada of flying saucers. Only you can stop the invasion of these relentless alien monsters - don't let a single one through! Get ready for a revolution in tower defense that will send you spinning. Defend the solar system by sending satellites into orbit around planets, moons and space stations. Create the perfect defense by rot…

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…

59%Game Brain Score

gameplay, graphics

story, grinding

67% User Score Based on 306 reviews

Critic Score 51%Based on 9 reviews

Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat. Defend the planet from the human scum in the final battle of the series. Anomaly Defenders is a fast-paced Tower …

84%Game Brain Score

gameplay, music

graphics, grinding

84% User Score Based on 1,214 reviews

Critic Score 85%Based on 2 reviews

"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their attention outward, away from the galaxy, to alien threats or opportuni…

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.

90%Game Brain Score

story, gameplay

grinding, stability

90% User Score Based on 1,540 reviews

Experience the intense atmosphere of adventuring deep into the space.

82%Game Brain Score

gameplay, graphics

monetization, replayability

82% User Score Based on 253 reviews

Fun tower defense game with unique play style and art.

80%Game Brain Score

story, gameplay

replayability, stability

88% User Score Based on 4,992 reviews

Critic Score 72%Based on 18 reviews

Starship Troopers: Terran Command is a thrilling real-time strategy game set in the Starship Troopers movies universe. Take command of the Mobile Infantry and do your part in the war against the Arachnid threat. Ensure that human civilization, not insect, dominates the galaxy now and always!

95%Game Brain Score

gameplay, music

story, grinding

95% User Score Based on 11,528 reviews

Cosmoteer (previously known as Starwright) is a 2D top-down starship design and combat game developed by Walt Destler for PC. The player's goal is to create powerful ships to destroy enemies for bounties used to further improve his fleet.