Apps Like UnderAttack: Idle TD for iPhone and iPad
Command starships, upgrade weapons, defeat bosses
Command starships to defend Earth from aliens. Upgrade weapons and unlock new abilities. Face boss battles in 10 chapters. Use touch controls for tower defense. Adjust difficulty based on skill. Strategically apply buffs during missions.
Ranked alternatives
Showing 61–80 of 1,000 ranked alternatives.
Space Cadet Defender HD: Invaders
SixHourSoft LLC
Defend Earth and upgrade ships
Defend Earth from aliens in a fast-paced arcade shooter. Play through 150+ unique levels and boss battles. Upgrade your ship with new abilities. Use powerups to gain advantages. Save progress and compete on GameCenter leaderboards.
Last Survivor - Zombie Shooter
Voodoo
Survive waves of zombies and enemies
Survive waves of zombies and human enemies in a post-apocalyptic world. Aim, shoot, and take cover with simple controls. Collect resources, upgrade weapons, and complete missions. Manage health and stamina during intense combat.
Guardian War: RPG Pixel Games
Pitado Viet Nam JSC
Unleash hero abilities and upgrade gear
Explore a vast open world to uncover hidden secrets and collect valuable treasures. Engage in epic battles against bosses using hero abilities and upgraded equipment.
Galaxy Defense: Fortress TD
CYBERJOY LIMITED
Build turrets, upgrade skills, defend Earth
Build diverse turrets with unique skills and powers. Unlock and upgrade them to defend against enemies. Strategize turret placement based on enemy attributes. Refine strategies to enhance defense and combat effectiveness.
Space Shooter: Alien Shooter
Thuy Nguyen
Play campaign levels and defeat aliens
Play through a campaign with over 100 levels featuring environments and encounters. Select and upgrade one of eight aircraft. Complete missions to progress through the storyline.
Weapon Upgrade Rush
Rollic Games Oyun Yazilim ve Pazarlama Anonim Sirketi
Build weapons, , fight bosses
Build and custom weapons. Earn new weapons through progression. Engage in boss battles with upgraded gear. Unlock and equip different types. Track progress and level up.
Space Invaders: Alien Shooter
UNIQO LP
Shoot enemies, upgrade ship, survive waves
Play as a spacecraft to battle enemy ships in top-down shooting action. Upgrade weapons and abilities. Survive waves of enemies with quick reflexes. Pilot through intense dogfights. Features dazzling graphics and background music.
World War Armies: WW2 PvP RTS
Hypemasters, Inc.
Battle in real-time, command armies, conquer territories
Manage troops and resources in real-time strategy battles. Build bases, research technologies, and command units across historical warfare periods. Engage in multiplayer matches and unlock new units and maps.
Kingdom Rush Frontiers TD+
IRONHIDE IRELAND LIMITED
Defend lands with towers and heroes
Defend territories against enemies using tower defense mechanics. Build and upgrade towers with over 18 abilities. Summon heroes and special units to attack enemies. Complete levels with increasing difficulty and unlock new content.
Galaxy Shooter 2020
Tuan Nguyen
Shoot aliens, upgrade weapons, fly jets
Play a classic arcade game where aliens invade galaxies. Control a fighter jet with on-screen touch movements. Upgrade or replace weapons. Collect ancillary items to enhance gameplay.
Ultimate Forest Simulator
Gluten Free Games LLC
Play animals, hunt, raise, unlock
Manage health, hunger, thirst, and energy for your animal character. Hunt for food, raise a family, and unlock new playable animals. Explore a detailed environment and build a sustainable home.
Clicker Heroes - Idle Slayer
Playsaurus, Inc.
Play, level up, and collect
Allows players to tap to defeat monsters, level up , and collect loot. Manage a team with unique abilities, upgrade equipment, and unlock new characters. Play in mode or take on challenges with strategic combat.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.