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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
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.
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!
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.
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.
"Blink and you are dead! LASER LEAGUE is the new last-word in high-speed, future-sports team action. Battle against the opposition for control of nodes that bathe the arena in deadly light. Evade rival coloured beams, and fry your opponents with speed, strength and strategy." "In 2150 the most popular global sport is Laser League. Teams of players battle against the opposition for control of nodes that bathe the arena in deadly light. Evading rival colored beams, teams attempt to fry their opponents with speed, strength and strategy. Utilize special offensive and defensive abilities, as well as game-changing power-ups on the arena floor, to provide an edge at the crucial moment."
This is simple but highly addictive strategy game that will test your reaction times and your hand to eye coordination.
Smash opponents off the arena and score goals in this lightning-fast 3v3 free-to-play game. Squad up with friends and choose from a growing cast of colorful Strikers to sling slimes, toss tofu, and rocket boost to victory.
Star Control II, the sequel to the original Star Control, is a space adventure game that features role-playing elements alongside a 2D space ship melee combat system. The player assumes the role of The Captain of a single starship wandering a detailed environment of solar systems, gradually gathering information and resources in order to defeat a mysterious and implacable enemy.
A NES-Like action game where a small robot, Orb, has to venture through four locations to get stronger and fight the corruption, on a strict time limit, while paying extra attention to resource management.