Antivirus Survivors 2003 Professional
Blast waves of viruses and adware with weapons built from old desktop classics, one fast run at a time.
98% of 1,514 Steam reviews are positivePlayers online now: 143$5.09
Games like System Invaders
Remember how retro and fast-paced System Invaders felt at its best? These games are worth a look next. You can bring friends along for most of these.
CPU Invaders
Invaders are living inside your computer. You shouldn't let that happen! Interact with your desktop while playing, watch Youtube videos, chat with your friends and more! CPU Invaders overlaps the game itself with your computer screen.
Retro, Fast-paced, Colorful
85% of 499 Steam reviews are positivePlayers online now: 1$24.99Antivirus Survivors 2003 Professional
The family computer is infected again. Fend off waves of viruses and adware with weapons built from Y2K classics like Pinball, Solitaire and Minesweeper, double-clicking folders for XP and keys in fast runs of about 30 to 40 minutes. A survivors-like with real bite under the nostalgia, and a lot of jokes.
Retro, Fast-paced, Colorful
98% of 1,514 Steam reviews are positivePlayers online now: 143$5.09Void Invaders
Jump back to the good old days of arcade machines with Void Invaders: a colourful, chaotic and explosive arcade shoot-em-up game inspired by classics such as Galaga and Space Invaders!
Retro, Fast-paced, Colorful
88% of 280 Steam reviews are positivePlayers online now: 2$2.99Alien Attack
You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens. Persist them as long as you can.
Also in Co-op · Retro, Fast-paced, Colorful
82% of 182 Steam reviews are positive$1.99Space Invaders Extreme
The critically acclaimed update to the Space Invaders franchise has arrived to invade Steam with greatly improved graphics and audio! Packed with pulsing, vibrant visuals enhanced further by interactive sound. The invaders have evolved, the question is: can you keep up?
Retro, Fast-paced, Colorful
86% of 257 Steam reviews are positive$4.99Chicken Invaders Universe
A recruit in the United Hero Force, you fly across a galaxy overrun by intergalactic chickens: waves of over 200 birds on screen, upgradeable weapons, boss fights, and friends in your squadron. It is fast, silly, and surprisingly deep, with more than 20,000 missions to keep you shooting.
Also in Co-op · Retro, Fast-paced, Colorful
91% of 3,860 Steam reviews are positivePlayers online now: 41FreeChicken Invaders 5
Intergalactic chickens have blocked out the sun to freeze Earth, and dinner will have to wait. Blast through 120 waves of feathered invaders, dodge absurd amounts of eggs, and save the galaxy in a fast, funny arcade shooter you can play with up to three friends.
Also in Co-op · Retro, Fast-paced, Colorful
97% of 942 Steam reviews are positivePlayers online now: 13$5.99IACTURA
It is your job to save the planet from its decay. Only you can prevent an extraterrestrial species from taking over all of humankind. How? By shooting them back to where they belong - into the depths of hell of course!
Also in Co-op · Retro, Fast-paced, Colorful
89% of 27 Steam reviews are positive$0.99Super Nano Blaster
Super Nano Blaster is a shoot-em-up for PC and Mac, offering single-player and local co-op modes, that transports you to a retro-style digital universe. Delve into technology with your vessel and destroy anything that gets in your way!
Also in Co-op · Retro, Fast-paced, Colorful
100% of 21 Steam reviews are positive$11.99Alien Hominid Invasion
A little alien with a big gun lands on Earth to help the Mothership invade. Blast through FBI agents across randomly assembled neighborhoods, steal their intel, mutate into stranger and stronger forms, and drag up to three friends along for the mayhem. Chaotic, funny and fast, and best with people beside you.
Also in Co-op · Retro, Fast-paced, Colorful
88% of 1,570 Steam reviews are positivePlayers online now: 5$19.99Glitch Busters: Stuck On You
It’s a normal day on the net, until a virus outbreak turns everything upside-down. Only your squad of GLITCH BUSTERS can take on the net’s kookiest bugs in an online world gone haywire in this 1-4 player co-op 3rd person shooter.
Also in Co-op · Retro, Fast-paced, Colorful
73% of 99 Steam reviews are positive$19.99CounterAttack: Uprising
CounterAttack: Uprising is a side scrolling space shooter (shmup). Team up or fight solo, 1 - 4 player local or up to 8 players online cross-platform coop, unlock upgrades, use powerful ultimate abilities, enhance your ship the way you want, and save the Earth from annihilation.
Also in Co-op · Retro, Fast-paced, Colorful
90% of 274 Steam reviews are positivePlayers online now: 1$14.99
Hidden gems like System Invaders
Antivirus PROTOCOL
Antivirus PROTOCOL is an incremental game about destroying viruses.
87% of 324 Steam reviews are positive$4.99
Alien Hominid Invasion
Invade Earth with up to four players, blasting agents and mutating across randomly built city blocks.
88% of 1,570 Steam reviews are positivePlayers online now: 5$19.99
Beat Invaders
Beat Invaders is a Vertical Shoot 'Em Up Roguelite - Fight your way through enemy fleets, unlock skills, items, ships, and upgrade them in the next…
96% of 196 Steam reviews are positivePlayers online now: 1$9.99
Aliens vs. Ghosts
Use Nukes, Electricity, Heat Rays and powerful Minions in this wave-based first person shooter providing endless hours of Ghost-slaying…
89% of 603 Steam reviews are positivePlayers online now: 2$7.49
Chicken Invaders Universe
Fly arcade missions for the United Hero Force, blasting waves of feathered invaders with friends in your squadron.
91% of 3,860 Steam reviews are positivePlayers online now: 41Free
X Invader
X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters.
74% of 531 Steam reviews are positive$4.99
Arcadegeddon
Team up with up to three friends to purge a virus from a super game and save the last local arcade.
76% of 1,026 Steam reviews are positivePlayers online now: 5Free
CounterAttack: Uprising
CounterAttack: Uprising is a side scrolling space shooter (shmup).
90% of 274 Steam reviews are positivePlayers online now: 1$14.99
From Space
Rid a post-apocalyptic Earth of alien invaders with over-the-top weaponry, solo or with a squad of four.
67% of 1,429 Steam reviews are positive$2.99
Space Invaders Extreme
The critically acclaimed update to the Space Invaders franchise has arrived to invade Steam with greatly improved graphics and audio!
86% of 257 Steam reviews are positive$4.99
Let Them Come
Hold a corridor with a mounted machine gun as wave after wave of aliens crawls, runs and flies at you.
84% of 1,089 Steam reviews are positivePlayers online now: 1$7.99
Newest games like System Invaders
Antivirus Survivors 2003 Professional
Blast waves of viruses and adware with weapons built from old desktop classics, one fast run at a time.
98% of 1,514 Steam reviews are positivePlayers online now: 143$5.09
Antivirus Girl
Antivirus Girl is a defense shooter game where you become an inspector for the anti-malware Sentinel to protect computers from malware.
88% of 206 Steam reviews are positivePlayers online now: 3$7.99
CPU Invaders - Movie Attack
A sequel to the Steam Awards finalist top-down shooter. Step into classic movie worlds inside your hard drive and become the hero who destroys the…
100% of 41 Steam reviews are positive$0.99
Antivirus PROTOCOL
Antivirus PROTOCOL is an incremental game about destroying viruses.
87% of 324 Steam reviews are positive$4.99
Infestation: Origins
A co-op horror in which you're an exterminator treating sinister infestations caused by twisted versions of classic characters and urban legends.
72% of 167 Steam reviews are positive$7.99
Byte The Bullet
Get into my infected computer and restore every virus-ridden system by recovering game attributes like color or save functions.
89% of 38 Steam reviews are positive$5.99
X Invader
X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters.
74% of 531 Steam reviews are positive$4.99
District Panic
an action-packed arcade shooter that takes you deep into the heart of a computer under siege.You're the system's last line of defense.
91% of 22 Steam reviews are positive$3.99
Alien Hominid Invasion
Invade Earth with up to four players, blasting agents and mutating across randomly built city blocks.
88% of 1,570 Steam reviews are positivePlayers online now: 5$19.99
Arcadegeddon
Team up with up to three friends to purge a virus from a super game and save the last local arcade.
76% of 1,026 Steam reviews are positivePlayers online now: 5Free
Super Virus Defense
Fight the virus in this fast paced arcade shooter with a dash of tower defense!
100% of 10 Steam reviews are positive$0.99
Glitch Busters: Stuck On You
It’s a normal day on the net, until a virus outbreak turns everything upside-down.
73% of 99 Steam reviews are positive$19.99