Games like Droid Assault

71%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:story, grinding

86% User Score Based on 630 reviews

Critic Score 54%Based on 8 reviews

Enter the world of Ultratron and experience the addictive gameplay of old-school arcade favourites such as Robotron: 2084, updated and improved for the 21st century! Unique retro-futuristic sound and graphics, player responsive difficulty, and a subtle system of tactics combined with classic gameplay make Ultratron a fun and hypnotic arcade blast. The last human has been slain by evil killer rob… If you enjoyed this game, see our list of games similar to Ultratron.

87%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story, grinding

87% User Score Based on 1,241 reviews

From the collaboration between Housemarque (Resogun, Alienation, Matterfall), and Robotron and Smash TV legendary creator Eugene Jarvis comes Nex Machina, an explosive arcade experience created with competition in mind. If you enjoyed this game, see our list of games similar to Nex Machina.

92%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, monetization

95% User Score Based on 1,542 reviews

Critic Score 84%Based on 2 reviews

"Assault Android Cactus is a manic twin stick arena shooter for the PC with screens full of enemies, buckets of bullets and high scoring combo chains! Take on the role of Cactus, an enthusiastic police android, who responds to a stranded space freighter only to discover it under siege by its malfunctioning robot workers. Cut off from the outside and in over her head, Cactus and the androids she re… If you enjoyed this game, see our list of games similar to Assault Android Cactus.

88%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, character development

92% User Score Based on 1,242 reviews

Critic Score 75%Based on 2 reviews

Wryn is a girl with a big arsenal and big dreams and she wants to be the ultimate videogame hero! Help her take down the Greatest Heroes of All Time in an action-packed bid to claim the title for herself and show the world what a true hero looks like! Bleed is an action-platformer focused on stylish, acrobatic dodging and fluid, challenging gameplay. There's no filler, just you and your skills ag… If you enjoyed this game, see our list of games similar to Bleed.

85%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:replayability, grinding

85% User Score Based on 468 reviews

Built for PC, Enemy Mind lets you battle your way through 70+ waves of challenging enemies. Deftly maneuver over twenty unique ships, each with different abilities for you to harness. Backed by an all-new chip-emulated soundtrack by the psychoacoustic artist Rainbow Kitten, Enemy Mind features an adaptive story system as innovative as its gameplay. Are you ready to unlock the secrets of Enemy Mind… If you enjoyed this game, see our list of games similar to Enemy Mind.

66%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

63% User Score Based on 333 reviews

Critic Score 72%Based on 5 reviews

When the evil railroad baron Clayton Boon decided to build a track to Hell, he didn’t reckon on a crazed shaman raising a posse of embittered psychopaths from the dead to stop him. Now they’ll pursue him across the whole Wild West, fighting their way through hordes of bandits, bears, braves and boogeymen just to find Boon and repay their debt with… A FISTFUL OF GUN!Select one of eleven unique play… If you enjoyed this game, see our list of games similar to A Fistful of Gun.

87%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, replayability

92% User Score Based on 763 reviews

Critic Score 72%Based on 2 reviews

As the last surviving tank commander on Earth, single-handedly turn back the evil invading alien army, drive back the Titans across the Solar System, and defeat them on their homeworld... Titan Attacks has the same easy-to-learn and addictive gameplay of the classic arcade shoot 'em up If you enjoyed this game, see our list of games similar to Titan Attacks!.

66%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:stability, replayability

68% User Score Based on 281 reviews

Critic Score 63%Based on 6 reviews

HIVE JUMP is a sci-fi action platformer for 1-4 players blending run ‘n gun gameplay with roguelike elements. If you enjoyed this game, see our list of games similar to Hive Jump.

90%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:grinding, stability

90% User Score Based on 1,914 reviews

Experience the full evolution of the award-winning Geometry Wars franchise and battle through waves of enemies on 3D grids in this frenetic arcade shooter! Geometry Wars 3: Dimensions Evolved includes all of the great content & features from Geometry Wars 3: Dimensions and more. If you enjoyed this game, see our list of games similar to Geometry Wars 3: Dimensions Evolved.

87%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, grinding

91% User Score Based on 2,342 reviews

Critic Score 70%Based on 1 reviews

Nation Red is an ultra fast infinite play arena-based shooter providing an exceptional close-quarter battlefield experience. Fight thousands of zombie mutants and their bosses in frantic bloody gameplay while earning close to 100 perks. Fight in Barricade, Survival or Free Play mode. Play On-Line in coop, in single player or in local coop! If you enjoyed this game, see our list of games similar to Nation Red.

72%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

88% User Score Based on 4,860 reviews

Critic Score 57%Based on 13 reviews

Hammerwatch is an hack and slash action adventure, set in a fantasy pixel art environment! Play solo or co-op in this adventure from bottom to top of Castle Hammerwatch! Kill hordes of enemies with varied looks and features through four unique environments with traps, hidden secrets and puzzles! If you enjoyed this game, see our list of games similar to Hammerwatch.

86%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story, grinding

87% User Score Based on 335 reviews

Critic Score 81%Based on 2 reviews

Due to a sudden shortage of milk, cats around the world are forced to seek out new sources to get their fix. You and your team of milk mining kittens have overcome a fear of water to drill down under the ocean seabed and begin extracting vast reserves of what seems to be naturally forming full-fat milk. Get ready for fast paced submarine action, defending the kittens from disruptive mechanical sea… If you enjoyed this game, see our list of games similar to Aqua Kitty: Milk Mine Defender.

88%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:story, grinding

89% User Score Based on 727 reviews

Critic Score 82%Based on 1 reviews

Steredenn is a frenetic and chaotic space shooter, carved in big beautiful pixels, with insane boss battles. Embark in your ship and engage the fight against dreadful space pirates in a never-ending combat for your survival. Steredenn is at the crossroads between a shmup and a rogue-like. Enjoy the infinite replayability of the game with its unforgiving gameplay, intense boss fights, (almost) ran… If you enjoyed this game, see our list of games similar to Steredenn.

86%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

86% User Score Based on 331 reviews

Iron Fisticle is a challenging twin-stick shooter that requires reflexes, speed and quick thinking to master. It takes the classic arcade arena shooters of the mid 80s and drags them, axes flying, into the 21st century. Inspired by truly old school arcade games right down to the (optional) scanlines themselves, Iron Fisticle is both a retro game and a reinvention of a classic genre, with multiple… If you enjoyed this game, see our list of games similar to Iron Fisticle.

85%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:grinding, stability

90% User Score Based on 648 reviews

Critic Score 81%Based on 17 reviews

The Bug Butcher is an action-packed 2D side scrolling shoot em up game where peril comes from above. So in a nutshell, pest control with machine guns in space. The core mechanics hold old ties from the classic arcade shooter "Super Pang" where you shoot vertically, but with modern day twists. You are Harry, a brash and tenacious exterminator who has a knack for decimating bugs. If you enjoyed this game, see our list of games similar to The Bug Butcher.

88%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, stability

91% User Score Based on 698 reviews

Critic Score 80%Based on 2 reviews

Say hello to a fantasy themed action arcade brick breaker! Featuring cute characters, powerful magic, crazy bosses, and even local 2 player co-op mode! If you enjoyed this game, see our list of games similar to Strikey Sisters.

92%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

92% User Score Based on 2,976 reviews

Relic Hunter Zero is a free to play open source game. You start with 2 characters and can unlock 4 others through gameplay. The game consists of 4 areas with 3 stages each followed by a checkpoint and then a boss battle. "Bounty" you collect from defeating enemies remains through all runs and can be used to by items from checkpoints to permanently add them to your starting base for later runs. Th… If you enjoyed this game, see our list of games similar to Relic Hunters Zero.

64%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, stability

66% User Score Based on 191 reviews

Critic Score 57%Based on 3 reviews

Kill to Collect is a cyberpunk rogue-like for up to four player co-op that is designed for short bursts of intense gameplay sessions, rewarding players for their skilled survival. Featuring procedurally generated levels, Kill to Collect brings a constant challenge. No two experiences are the same and every interaction could be the difference between life and death. Set in Geoshelter Alpha, a dan… If you enjoyed this game, see our list of games similar to Kill to Collect.

88%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:grinding, monetization

90% User Score Based on 707 reviews

Critic Score 74%Based on 1 reviews

The legend is back! If you enjoyed this game, see our list of games similar to Sky Force Anniversary.

68%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, grinding

68% User Score Based on 702 reviews

Humanity is on the verge of extinction. It's up to you to infiltrate the AI core and win the war against the machines.Start your journey with a simple ship, outfitted with only basic machine guns and air-to-ground missiles. As you take down more and more of the AI’s fighter’s you’ll unlock new technologies like plasma shields, wave beams, and ion cannons. It's totally up to you how you outfit your… If you enjoyed this game, see our list of games similar to Revolution Ace.

89%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, graphics

89% User Score Based on 109 reviews

Xenoraid is an exciting vertically scrolling shoot'em up rooted in the classic action gameplay of the genre with added modern features. Xenoraid upgrades the basic shmup gameplay with advanced shooting mechanics. Fighters tilt left and right when moving horizontally and weapons heat up when firing. Master the mechanics and line up devastating bursts of fire! Missions in Xenoraid a procedurall… If you enjoyed this game, see our list of games similar to Xenoraid: The First Space War.

72%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, replayability

72% User Score Based on 273 reviews

Space shooters never die. 1993 is a testament to that. 1993 is a classic shoot em up celebrating games like Gradius, R-Type and Life Force. If you enjoyed this game, see our list of games similar to 1993 Space Machine.

76%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability, story

83% User Score Based on 590 reviews

Critic Score 40%Based on 1 reviews

Over 9000 Zombies! is top-down arcade action blown out of all reasonable proportions. An endless horde of zombies is coming your way, how long can you survive? If you enjoyed this game, see our list of games similar to Over 9000 Zombies!.

81%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

84% User Score Based on 279 reviews

Critic Score 77%Based on 5 reviews

Serious Sam’s Bogus Detour is an all-new action-adventure in the legendary Serious Sam saga from Hammerwatch developer Crackshell. Battle through beautiful Mediterranean locales, dangerous biological weapons labs and even high-tech moon bases as a one-man wrecking crew or in four-player online cooperative for maximum chaos! Dominate the chaotic Survival and Versus modes or make your own mods, mode… If you enjoyed this game, see our list of games similar to Serious Sam's Bogus Detour.

80%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, stability

95% User Score Based on 390 reviews

Critic Score 66%Based on 17 reviews

Infinitely replayable twin stick shooter with RPG elements! If you enjoyed this game, see our list of games similar to Neon Chrome.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

89% User Score Based on 1,044 reviews

Critic Score 78%Based on 5 reviews

Fury Unleashed is a combo-driven roguelite action platformer - each kill you score increases your combo. Hit certain thresholds and your resistance and healing powers will kick in! It's a game... If you enjoyed this game, see our list of games similar to Fury Unleashed.

81%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:grinding, stability

81% User Score Based on 456 reviews

Super Galaxy Squadron is a fast-paced vertical shooter designed for human beings as well as shmup veterans. Featuring multiple game modes, a challenging but merciful difficulty curve, forgiving health system, and seventeen playable ships. If you enjoyed this game, see our list of games similar to Super Galaxy Squadron EX Turbo.

74%Game Brain Score

Most mentioned positive aspects:graphics, story

Most mentioned negative aspects:grinding, monetization

79% User Score Based on 616 reviews

Critic Score 70%Based on 21 reviews

"Jump into the cockpit of the most powerful tank in the galaxy and battle the maniacal Corporation ravaging Earth across a procedurally-generated campaign for 1-4 players. Playable with or without a VR headset, and available as a FREE update to Battlezone owners." If you enjoyed this game, see our list of games similar to Battlezone.

91%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

95% User Score Based on 10,161 reviews

Critic Score 70%Based on 1 reviews

SYNTHETIK is an unforgiving shooter rogue-lite set in a world overrun by machines. Battle from floor to floor, defeating an array of robotic forces using powerful weapons, upgrades, and quick reflexes in this gun-play focused fun-fest! If you enjoyed this game, see our list of games similar to Synthetik.

62%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, grinding

63% User Score Based on 329 reviews

Critic Score 61%Based on 7 reviews

Tower 57 is a fast-paced neo-retro shooter where cooperation is as important as your ammo capacity. As a member of an extraordinary task force fight your way through a dieselpunk megatower and uncover its hidden secrets. If you enjoyed this game, see our list of games similar to Tower 57.

60%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:gameplay, stability

60% User Score Based on 560 reviews

An artificial nano-virus has wiped out humanity almost completely turning all humans into a mob of deadly mutilated zombies. Only a few people managed to survive and you are one of them.This is the world after a zombie apocalypse in which the main characters have to go through many perils. It is a story about ordinary people who, when faced with danger, decided not to run away from it, but to figh… If you enjoyed this game, see our list of games similar to Guns n Zombies.

94%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, story

94% User Score Based on 23,200 reviews

Dive into intense Roguelike challenges, survive, and reach Bullet Heaven! If you enjoyed this game, see our list of games similar to 20 Minutes Till Dawn.

94%Game Brain Score

Most mentioned positive aspects:music, story

Most mentioned negative aspects:atmosphere, stability

94% User Score Based on 1,861 reviews

Jamestown: Legend Of The Lost Colony is a neo-classical top-down shooter for up to 4 players, set on 17th-century British Colonial Mars. It features all the intensity, depth, and lovingly handcrafted pixels of a classic arcade shooter, with a modern twist: deeply-integrated cooperative gameplay.Unlike most top-down shooters, which give multiple players a shared pool of lives or continues, Jamestow… If you enjoyed this game, see our list of games similar to Jamestown.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

88% User Score Based on 845 reviews

Critic Score 80%Based on 6 reviews

Colt Canyon is a pixel art rogue-lite shooter where you have to save your kidnapped partner from the ruthless bandits. Shoot your way through a hostile canyon full of hidden treasures, weapons, obstacles and all kinds of bloodthirsty scum. If you enjoyed this game, see our list of games similar to Colt Canyon.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

85% User Score Based on 598 reviews

Meltdown is a tactical arcade shooter featuring both singleplayer and intense online multiplayer. Become the most skilled soldier, choose your weapons, get the best upgrades, buckle up and start your mission. Be careful, each enemy has it’s own combat style, special AI and gear. Adapt to them to survive! If you enjoyed this game, see our list of games similar to Meltdown.

81%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding

79% User Score Based on 370 reviews

Critic Score 90%Based on 1 reviews

Classic color match puzzle meets space shoot'em up action! Hop into your spaceship, open a path through huge waves of aliens and other hazards, and face intense boss battles! If you enjoyed this game, see our list of games similar to Super Star Path.

88%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:stability, grinding

92% User Score Based on 3,011 reviews

Critic Score 84%Based on 14 reviews

Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost. If you enjoyed this game, see our list of games similar to 30XX.

74%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, replayability

68% User Score Based on 451 reviews

Critic Score 79%Based on 12 reviews

Slay enemies with speed and precision in an over-the-top show of blood and explosions. Play solo or with others, make split-second decisions, dodge bullets, and use weapons and abilities to inflict violence in the most graphic way possible. When an Angel and a Demon team up to kill their way into Heaven and stop the apocalypse, bullets will fly and blood will be shed. Play solo or in with a friend… If you enjoyed this game, see our list of games similar to Gods Trigger.

79%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:grinding, stability

86% User Score Based on 748 reviews

Critic Score 71%Based on 15 reviews

Sublevel Zero - Redux is a first-person roguelike six-degree-of-freedom shooter set in a universe where reality is falling apart. Take control of a lone gunship pilot whose mission is to loot and craft ancient technology. Descend into a vast underground facility, fighting through procedurally generated zero gravity environments to recover the technology you and your clan need to survive. If you enjoyed this game, see our list of games similar to Sublevel Zero Redux.

92%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story, grinding

92% User Score Based on 1,158 reviews

Chippy is a twin-stick bullet-hell shooter. Chip apart destructible bosses pixel-by-pixel. If you enjoyed this game, see our list of games similar to Chippy.

88%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, stability

96% User Score Based on 706 reviews

Critic Score 79%Based on 13 reviews

"Bleed 2 is a relentless arcade action game about shooting, dodging, reflecting bullets, slowing time, and lots and lots of bosses. The player controls a young girl named Wryn -- the world's greatest (and only remaining) hero. Together, they must battle an invading force of villains and live up to her title as the Greatest Hero of All Time!" If you enjoyed this game, see our list of games similar to Bleed 2.

73%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, story

73% User Score Based on 783 reviews

Overture is an action-adventure roguelike which draws heavy inspiration from hits such as Diablo, Realm of The Mad God, Zelda, and The Binding of Isaac. Explore vast randomly generated dungeons and slay hordes of cunning enemies! If you enjoyed this game, see our list of games similar to Overture.

70%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, replayability

70% User Score Based on 1,246 reviews

Halfway is a turn-based strategy RPG taking place a few hundred years into the future. Humanity has started colonising new worlds. Until now, they were alone ... If you enjoyed this game, see our list of games similar to Halfway.

84%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:stability

90% User Score Based on 852 reviews

Critic Score 70%Based on 3 reviews

Blazing Chrome is a classic co-op run 'n gun with an original arcade feel. Players can choose between Mavra, the badass human resistance, soldier or Doyle, the groovy rebel robot, to kick some metal ass. If you enjoyed this game, see our list of games similar to Blazing Chrome.

87%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:grinding, stability

87% User Score Based on 642 reviews

Welcome to Greedland, an exhilarating top-down shooter where you play as an interstellar mercenary. Battle through ever-changing environments and annihilate waves of enemies. If you enjoy the action-packed gameplay of Crimsonland and Vampire Survivors, Greedland is the perfect game for you! If you enjoyed this game, see our list of games similar to Greedland.

86%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:stability, grinding

86% User Score Based on 519 reviews

Get back to some serious Old-School gaming with Syder Arcade! A love letter to Amiga games of the 90′, no coins, no upgrade grinding, just your tenacity and a motherload of alien invaders. Syder Arcade is a free scrolling, multi directional shoot ’em up, an uncompromised old-school experience, furious, challenging, straightforward. This game will bring you back in time, when bulky starships were … If you enjoyed this game, see our list of games similar to Syder Arcade.

74%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

73% User Score Based on 882 reviews

Critic Score 75%Based on 16 reviews

Xeodrifter is an action-packed exploration game with a retro graphical style. Blast your way through alien landscapes, seek out valuable secrets, and defeat ancient guardians to unlock powers from a legendary supreme culture in this exciting journey of mystery and adventure. If you enjoyed this game, see our list of games similar to Xeodrifter.

94%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story, stability

94% User Score Based on 1,422 reviews

Prepare yourself for an insatiable rain of bullets, bombs, and beams in Crimzon Clover. From Japanese indie developer YOTSUBANE, AdventurePlanningService, this unique top-down shooter is a wild ride you won't want to miss out on. Your first step in Crimzon Clover: World Ignition is as simple as choosing how you want to play, and which powerful ship will be yours to command. Choose your difficulty … If you enjoyed this game, see our list of games similar to Crimzon Clover WORLD IGNITION.

93%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, monetization

96% User Score Based on 523 reviews

Critic Score 81%Based on 1 reviews

This is a side-scrolling shooting game in which the player takes control of the "Drainus", a ship that can absorb energy bullets, to take down the countless enemy ships zipping through space. Energy absorbed can be used to enhance the ship's functions, such as adding new weapons. StoryThe Planet Halpax is located in the far reaches of space, suffering from the oppressive rule of the Khar… If you enjoyed this game, see our list of games similar to DRAINUS.

86%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

86% User Score Based on 142 reviews

"Taking up arms solo or with a friend, you must dance with death in a brutal and addictive arcade platformer shooter inspired by Super Crate Box and stuffed to the brim with unlockables. Fight through rapid fire single screen levels each with a random combination of platform layout, objective, vending machines and enemies. Dodge and weave amongst the aliens to stay alive but don’t leave them stan… If you enjoyed this game, see our list of games similar to Super Mutant Alien Assault.