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 21–40 of 1,000 ranked alternatives.


Uboat Attack
Voodoo
Command submarines, targets, win battles
Play a WWII naval wargame as a submarine captain. Engage in tactical combat against enemy ships. Customize weapons for different battles. Survive in survival mode. Progress through ranks to become an admiral.


World War Heroes: WW2 FPS PVP
AZUR INTERACTIVE GAMES LIMITED
Battle in WWII-themed FPS games
Play a first-person shooter set during War II with multiplayer battles against global players. Engage in team and deathmatch modes, plant and defend bombs, and battle in historical locations like Berlin.

Age of Heroes | Warriors Clash
OU S18 Group
Conquer worlds and command armies
Command armies and recruit to conquer worlds. Manage resources, build bases, and defend against attacks. Unlock unique and progress through different eras and planets. Engage in real-time strategy battles and tactical combat.

Shadowgun Legends: Online FPS
Deca Games EOOD
Play, team up, and conquer
Play as a young recruit in a futuristic war against alien invaders. Complete an epic story campaign with branching choices and character development. Engage in competitive and cooperative multiplayer matches.


Radiant
David Peroutka
Shoot aliens, upgrade ship, survive waves
Play a space shooter against alien enemies across 100+ levels. Fight 10+ boss battles with upgradeable weapons and 12 special power-ups. Choose from 3 difficulty levels. Compete on global online highscore lists.

Hero Assemble : Epic Idle RPG
cookapps
Fight bosses and level up heroes
Play and action-based game with offline functionality. Fight bosses using strategy and precision. Customize heroes with skins that improve stats. Combine characters to create powerful combos.

Monster Draft: Running Game
OREON STUDIOS OYUN YAZILIM TEKNOLOJI TICARET ANONIM SIRKETI
Draft monsters, battle, collect
Create and evolve unique monsters with special abilities. Collect and battle creatures in a tactical card . Build teams from over 100 monsters. Compete in arena battles to defeat opponents. Unlock Gold and Diamond forms through evolution.


War Drone: 3D Shooting Games
Mobile Gaming Studios Ltd.
Command drones and execute airstrikes
Command military drones and the AC-130 Gunship in aerial combat. Engage in real-time airstrikes and defend allies. Adjust flight paths, weapon systems, and targeting for realistic drone control.

Space Cadet Defender: Recon Invaders
SixHourSoft LLC
Battle through alien hordes and upgrade
Play a side-scrolling shooter against alien hordes. Upgrade your ship with new abilities. Navigate unique levels and defeat boss enemies. Collect powerups to boost performance. Compete for high scores through GameCenter.


Ultimate Cat Simulator
Gluten Free Games LLC
Play, hunt, and raise your cat
Play as a cat in a realistic world, managing health, hunger, and energy. Hunt for food, survive in cities or forests, and raise a family. Battle six challenging bosses in dangerous encounters. Adopt and care for a home life.

Galaxy Shooter : Alien War
Son Phung Hong
Shoot enemies and defend Earth
Play by touching the screen to move and shoot enemies. Collect items to upgrade or change weapons. Upgrade spacecraft to enhance firepower. Navigate hazardous environments. Face increasing numbers of enemies. Protect Earth from swarms.

Wings of Heroes: WW2 Planes
RORTOS SRL
Fly, fight, and dominate in 5v5 aerial
Fly legendary WW2 aircraft and engage in 5v5 aerial combat. Choose from historic like dogfighters and bombers. Customize with upgrades and gear. Participate in dynamic battles with realistic flight mechanics and damage modeling.

Air Defense-TDS
Shanghai Hibox Network Technology Co., Ltd.
Defend bases, unlock skills, battle waves
Control anti-air guns with swipe gestures to defend against waves of enemy aircraft. Unlock skills and upgrade weapons. Face off against aerial bosses using missiles and bombers. Track progress and customize defense strategies.

Modern Warships: Naval Battles
ARTSTORM FZE
Command ships, battle online, build fleets
Command warships in real-time online . Build and manage a fleet. Engage in ship-to-ship combat and coordinate fleet strategies. Play with friends in multiplayer mode. Customize ship weapons and upgrades. Track battle outcomes and progress.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.