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Games Like Alien Defense - Save Area51

24 similar mobile games for iOS and Android — ranked by community & store data.

Alien Defense - Save Area51
Alien Defense - Save Area51arcade-other

Alien Defense - Save Area51 is a portrait-oriented arcade shooter where players defend against waves of alien invaders. The game features short, intense sessions with a focus on quick reflexes and strategic placement of defenses. Its core gameplay is engaging, but progression is significantly hindered by aggressive monetization and frequent advertisements.

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Infected Frontier
iOS · Android
Infected Frontier
92%
Infected Frontier is a solo arcade shooter where players blast through waves of enemies in a portrait-oriented environment. The game features a loot-driven progression system that encourages replayability through collecting new gear. Its interruptible sessions and one-handed play make it suitable for quick bursts of action, though aggressive monetization can be a factor.
P2WEndlessLightShort session
Virus War- Space Shooting Game
Virus War is a portrait-oriented space shooter where players pilot a ship to destroy waves of alien enemies. The game features fast-paced, one-handed gameplay suitable for short sessions. Its core loop involves upgrading ships and weapons to survive increasingly difficult challenges in an endless survival mode.
P2WEndlessHigh grindLightShort session
Alien Shooter: Galaxy Invaders
Alien Shooter: Galaxy Invaders is a portrait-oriented shoot 'em up where players blast waves of extraterrestrial foes. The game features fast-paced action and high replayability, with progression often requiring significant grinding or in-app purchases. It offers quick, interruptible sessions ideal for players seeking immediate action.
P2WEndlessHigh grindLightShort session
Galaxia Invader is a solo shoot 'em up where players blast waves of alien enemies. Its core loop involves engaging in short, intense combat sessions and collecting loot to upgrade ships and weapons. The game offers high replayability through its loot-driven progression, but can require significant grinding or in-app purchases to advance.
P2WEndlessHigh grindLightShort session
World War: Soldier Last Stand is a portrait-oriented shooter where players engage in one-handed combat. The game features an endless runner style with short, interruptible sessions. Its core gameplay is standard, but players should be aware of frequent ads and a potentially aggressive monetization model.
P2WEndlessHigh grindLightShort session
Alien attack - Galaxy Shooter
Alien Attack - Galaxy Shooter is a portrait-oriented shoot 'em up where players pilot a spaceship to defend Earth from alien invaders. The game features intense, fast-paced combat with a focus on upgrading your ship and overcoming increasingly difficult waves of enemies. Its roguelite elements and online PvP offer high replayability for those seeking challenging arcade action.
Ad-SupportedEndlessHigh grindModerateShort session
Universe Invader 2: Alien War
Universe Invader 2: Alien War is a fast-paced, portrait-mode shoot 'em up with simple one-handed controls. Players blast through waves of alien enemies, upgrading their ship and weapons to survive increasingly difficult challenges. The game offers high replayability for those seeking quick, intense action sessions.
P2WEndlessHigh grindLightShort session
Transmute 2: Space Survivor
Transmute 2: Space Survivor is a portrait-mode shoot 'em up where players battle waves of enemies in space. The game features a loot-driven progression system that encourages repeated play to acquire better gear. Its challenging gameplay and short, interruptible sessions make it suitable for quick bursts of action, though aggressive monetization can be a factor.
P2WEndlessHigh grindModerateShort session
Galaxy Invader: Alien Shooting is a landscape-oriented shoot 'em up where players blast waves of alien enemies. It offers high replay value with endless modes and can be played offline. Progression is heavily influenced by an energy system and monetization, making free-to-play challenging.
P2WEndlessHigh grindLightShort session
Virus attack™
iOS only
Virus attack™
90%
Virus Attack™ is a hypercasual shooter where players defend against waves of viruses. The game features fast-paced, intense gameplay that can be enjoyed in short bursts. Its core appeal lies in its straightforward shooting mechanics, though players should be prepared for a high frequency of advertisements and a challenging progression.
P2WEndlessHigh grindLightShort session
Hero Squad!
iOS · Android
Hero Squad!
90%
Hero Squad! is a hypercasual shoot 'em up where players engage in fast-paced, one-handed combat. The game features short, intense sessions focused on survival and progression. Its core appeal lies in its accessible gameplay, though players should be aware of aggressive monetization and frequent ads.
P2WEndlessHigh grindLightShort session
GEARS: War Machine
iOS · Android
GEARS: War Machine
90%
Gears: War Machine is a portrait-oriented tower defense game where players strategically deploy units to defend against waves of enemies. The game features engaging core gameplay with high replayability, offering an intense strategic experience. However, its progression is heavily influenced by aggressive monetization and frequent advertisements, making it best suited for players who can tolerate or pay to bypass these elements.
P2WEndlessHigh grindModerateShort session
Flak Fury
iOS · Android
Flak Fury
90%
Flak Fury is a hypercasual shooter where players engage in short, intense combat sessions. Its core gameplay offers fun and quick action, but is significantly impacted by aggressive advertising and potential pay-to-win elements. The game is best for players who can tolerate frequent ads or are willing to pay to bypass them for brief bursts of entertainment.
P2WEndlessLightShort session
Zombie Defense: War Z Survival
Zombie Defense: War Z Survival is an idle arcade game where players defend their base against waves of zombies in portrait mode. The core gameplay involves short, one-handed sessions, but progress can be lost without checkpoints. The game features significant monetization and pay-to-win elements, offering high replayability for those who tolerate these aspects.
P2WEndlessHigh grindLightShort session
Magic Armor Purifier
Android only
Magic Armor Purifier
90%
Magic Armor Purifier is a portrait-oriented shoot 'em up where players engage in fast-paced, one-handed combat. The game features short, interruptible sessions and offers high replayability for those who enjoy challenging action. However, progression is heavily tied to aggressive monetization and can become pay-to-win.
P2WEndlessHigh grindModerateShort session
Galaxy Shooter - Space Aliens
Galaxy Shooter - Space Aliens is a classic arcade-style shoot 'em up where players pilot a spaceship to defend Earth from alien invaders. The game features intense, fast-paced action in portrait mode, requiring quick reflexes to dodge enemy fire and destroy waves of extraterrestrial foes. Its core appeal lies in its challenging gameplay and high replayability, offering an endless battle against increasingly difficult alien forces.
P2WEndlessHigh grindModerateShort session
Attack the Block: Shoot'em Up
Attack the Block: Shoot'em Up is a casual, portrait-oriented arcade shooter with simple mechanics. Players engage in short, interruptible sessions, making it ideal for one-handed play. The game offers high replayability but is heavily reliant on ads for progression, which can be disruptive.
Ad-SupportedEndlessHigh grindMindlessShort session
Zombie Harbor: Zombie Shooter
Zombie Harbor is a portrait-oriented zombie shooter where players blast waves of the undead in short, interruptible sessions. The game offers satisfying one-handed gameplay ideal for quick bursts of action. Progression often requires significant resource grinding or in-app purchases to overcome difficulty spikes.
P2WEndlessHigh grindLightShort session
Universe Invader: Alien Attack is a landscape-oriented shoot 'em up where players blast waves of alien enemies. The game features intense action and high replayability, challenging players to survive increasingly difficult encounters. Its progression is heavily tied to monetization, requiring significant investment or grinding to advance.
P2WEndlessHigh grindModerateMedium session
FPV War Kamikaze Drone
FPV War Kamikaze Drone is a solo drone combat simulator where players pilot kamikaze drones in intense, short missions. The game focuses on fast-paced action and strategic targeting of enemy vehicles. Its core loop involves engaging in combat and upgrading drones, with progression heavily influenced by monetization and advertising.
P2WEndlessHigh grindModerateShort session
Command & Defend
iOS · Android
Command & Defend
89%
Command & Defend is a portrait-mode tower defense game focused on strategic placement and upgrades. Players defend against waves of enemies using a variety of towers and abilities. Its short, interruptible sessions and high replay value make it suitable for quick bursts of strategic play, though aggressive monetization can impact the experience.
P2WEndlessModerateShort session
Thunder Fighter Superhero is a fast-paced, portrait-oriented arcade shooter where players pilot a fighter jet through waves of enemies. The game features simple one-handed controls and is designed for quick, intense play sessions. Progression is heavily tied to monetization and can be challenging without spending money or enduring frequent ads.
P2WEndlessHigh grindLightShort session
Alien Survivors
iOS only
Alien Survivors
89%
Alien Survivors is a solo survival shooter where players battle hordes of aliens. The core gameplay involves intense combat and loot-driven progression, offering high replay value through roguelite elements. Players must manage resources and upgrades to survive increasingly difficult waves.
P2WEndlessHigh grindModerateMedium session
Mars Survivor
iOS · Android
Mars Survivor
89%
Mars Survivor is an idle arcade game where players defend against waves of alien enemies in portrait mode. The game features a light story and high replayability, offering a relaxing experience. Progression is heavily tied to watching ads or in-app purchases to speed up timers, making it a pay-to-win title.
P2WEndlessHigh grindMindlessShort session

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Games Like Alien Defense - Save Area51 (2026) — iOS & Android