205+ iOS apps & games curated and reviewed
SciFi Tower Defense is the household name in scifi tower defense, but it's far from the only option. We track 205+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
Engage in an epic defense battle against dark forces by strategically placing and upgrading a variety of unique weapons. Analyze enemy attack patterns and adapt your tactics to overcome challenging maps in this charismatic strategy game.
Defend your space base from waves of incoming enemies by strategically placing and customizing unique towers. This offline strategy game offers deep customization with modular elements and elemental bonuses to overcome challenging levels.
Defend the galaxy from alien invaders in this sci-fi tower defense game. Strategically deploy futuristic towers, upgrade your arsenal, and adapt to waves of unique monsters. Your tactical decisions will determine humanity's fate.
Defend an ancient stronghold from alien invaders using powerful technologies. Build and upgrade towers in a classic tower defense experience with unique levels and diverse enemies. Enjoy an offline, ad-free strategy game with a compelling storyline.
Engage in a sci-fi tower defense roguelike where strategic turret placement and merging are key to surviving endless swarms. Optimize your limited backpack grid for unique runs and permanent upgrades.
Build and upgrade a single tower to defend against waves of enemies in this incremental tower defense game. Make permanent upgrades, unlock new areas, and compete in tournaments. Enjoy addictive gameplay with a vast array of strategic choices.
Engage in strategic tower defense battles across land, sea, and air. Protect your base, upgrade weapons, and unlock new abilities to overcome enemy assaults. Earn victory points and develop your ultimate defense strategy to win the campaign.
Engage in real-time strategy to defend your base against relentless enemy waves. Build, upgrade, and deploy a variety of units with precise timing to survive epic battles in space. Master strategic decisions to overcome increasingly difficult challenges.
Defend Earth from alien invaders in this idle tower defense game. Build diverse turrets, strategize your defense, and power up your character with unique skills and weapons. Collect resources and take on global challenges to protect the planet.
Lead humanity's last stand against a rogue AI uprising in this hybrid tower defense game. Customize your defender with advanced cyber tech, deploy futuristic weapons, and harness enemy energy to unlock powerful upgrades and skills. Experience endless replayability with procedurally generated challenges and tactical depth.
Engage in a fast-paced sci-fi strategy game where you build a deck of cards to command powerful towers and defend your fortress. Adapt your strategy by reshaping roads and upgrading defenses against relentless enemy waves across diverse environments and challenging chapters.
Engage in a challenging tower defense war against a cunning enemy. Deploy modern weapons, upgrade cannons, and utilize special skills to defend strategic bases across diverse terrains. This installment offers a maximum challenge with varied enemy attack strategies.
Defend your homeland from waves of evil robots by strategically deploying and upgrading a variety of powerful weapons. Explore diverse landscapes and adapt your tactics to overcome increasingly challenging robotic invaders in this exhilarating tower defense game.
Engage in strategic tower defense battles with roguelike elements. Upgrade your tower, collect resources, and refine your tactics to withstand endless waves of enemies. Enjoy stylized geometric art and addictive idle gameplay.
Engage in strategic offline tower defense set 100 years in the future. Battle alien hordes across the solar system, utilizing dynamic action-based abilities and a variety of powerful turrets to defend Earth's colonies from annihilation.
Test your precision by dropping various items to build the world's tallest tower. Engage in unusual challenges and utilize an upgrade system to enhance your building experience. Enjoy refined physics as you stack items to new heights.
Build and upgrade towers, collect hundreds of cards, and command heroes to defend your kingdom. Engage in strategic battles against hordes of enemies across over 1,000 levels. Join forces with other players for epic clan quests and boss fights.
Defend your castle against endless waves of enemies in this roguelike idle tower defense game. Assemble heroes, strategically place towers and traps, and upgrade your defenses to survive brutal hordes. Master tactical gameplay and unleash devastating abilities to protect your stronghold.
Defend your sheep from alien invaders by strategically placing and upgrading a variety of weapons. Engage in a unique 3D tower defense experience with over 100 maps and 17 alien types. Compete globally and replay your best games.
Engage in a futuristic tower defense experience with over 30 levels of intense alien warfare. Build and upgrade defensive towers, utilize power-ups, and strategize to protect your base from relentless waves of enemy spaceships. Compete with others through leaderboards and achievements.