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Sentinel
Want a tactical and strategic tower defense challenge that's packed with options and upgrades? Take command of the dropship Sentinel and do battle across a vibrant sci-fi world.
Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defences.
Sentinel: Mars Defense is a sci-fi tower defense game for iOS.
Could be interesting
This is simple but highly addictive strategy game that will test your reaction times and your hand to eye coordination.
Cosmic Dust & Rust is a tower defence game set in space. Upgrade your ship, build turrets and defence systems, undergo side missions and take control of your ship manually and use its cannons and super weapons to destroy your enemies.
Defy Gravity! Orbt XL is an intense, addictive and fun 'just-one-more-round' score chaser. Perfect for playing while waiting in queue for another game.
Octogeddon is a semi-casual action strategy game. You play as Octogeddon, a giant mutant octopus bent on world destruction. Grow more tentacles and evolve each of them into deadlier weapons until you become the ultimate eight-legged killing machine!
Three ships, ten planets, thousands of people in danger and millions of meteors between them and you. Rescue as many as possible in a race across the whole solar system and make off with as much salvage as you can in this fun & frantic little home-made sci-fi action-strategy game!
The spiritual successor to the epic strategy-shooter Void Bastards, Wild Bastards is a hybrid FPS/strategy game with heart-pounding tactical combat, detailed management systems, and a roguelike campaign. Saddle up and lead the most notorious outlaws in the galaxy.
Master this fast-paced Vehicular Arena Shooter where movement is your ultimate weapon. In a future devastated by an AI rebellion, humanity’s survival rests on elite pilots capable of unleashing the HoverTanks: advanced war machines that bridge the gap between fighter jets and heavy armor. Inspired by the legendary mechanical skill of Unreal Tournament and the movement of GunZ: The Duel, Hoverise Rebellion delivers a competitive experience where your ability to navigate the arena is just as lethal as your aim. Forget slow, clunky tanks. This is high-octane aerial combat on the ground.
Sentry is an action-defense first person shooter where you defend your spaceship against a relentless alien threat. Use traps, turrets and environmental destruction to repel invading hordes and engage the enemy in fast-paced FPS action across a dynamic singleplayer or co-op campaign.
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.
TTV2 is an arcade retro hardcore maze wanderer minigame, sequel to Trip to Vinelands.