
Alien Attack
You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens.
Remember how fast-paced and tense Alien Hallway felt at its best? Give these games a try when the craving hits.
Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!
Fast-paced, Tense
Five soldiers. One hundred thousand bugs. Infested Planet is a top-down tactical fight where the alien horde mutates every mission and your squad can be rebuilt mid-battle. Burn, flank, fall back and adapt, in short, brutal sessions that keep pulling you back for one more run.
Fast-paced, Tense
A top-down sci-fi shooter aboard a failing spaceship. Blast swarms of aliens with shotguns and flamethrowers, scavenge cash from lockers and corpses, and spend it on weapon upgrades, alone or with a friend in online co-op. Old-school arcade action with a tense, atmospheric streak.
Fast-paced, Tense
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.
Fast-paced, Tense, Colorful
Jump into the action and battle your way through hordes of aliens from deserts to tropical islands with fully destructible environments !
Fast-paced, Colorful
Lead a squad of Colonial Marines in real time against a Xenomorph outbreak on Planet Lethe. Sneak, fight and manage your soldiers' stress while the hive adapts to you, death is permanent and every mission leaves its mark. A tense, dark tactical game with a real Aliens feel.
Tense
Murray Mendelson, 78, was napping when aliens landed on his lawn. Now he is at war with an entire species, armed with a musket and zero patience. Hold the porch against endless waves, upgrade the arsenal in The Shed, and shoot first. Questions never come up.
Fast-paced, Colorful
A fast, old-school sci-fi shooter where you blast through armies of aliens across 14 levels, juggle ten weapons with two firing modes each, and take on eight beastly-sized bosses. It is hard, loud and unapologetically arcade, and it rewards every clean headshot.
Fast-paced, Tense
Strain Tactics is a real-time-with-pause tactical game, where you command a squad of soldiers to liberate earth from an alien infestation. Using your helibase, deploy your custom squad and provide air support. Remember to keep your crew sane and motivated while staying clear of alien contamination!
Tense
Isometric action shooter with light RPG elements. Brutally kill tons of alien monsters, find over a dozen powerful weapons, skill up your hero & stop the blood thirsty invaders in a classic handcrafted campaign. Never ending waves await you in horde-mode!
Fast-paced, Tense
Xenopurge is a tactical auto-battler where you are a Commander tasked with purging the Xenos threat. Operate from a remote command center, issuing indirect orders via multi-screen interfaces. Plan routes, set priorities, and adapt as missions escalate and feel the true weight of being in command.
Tense
Fight giant War of the Worlds -style aliens invading Finland during a Winter in the 90's. Build an army of local townspeople in this chaotic semi-autobattler roguelike. Navigate through different biomes to obliterate the aliens from cosmic dimensions.
Fast-paced, Tense, Colorful

You are a space trooper. Your crew finished the cleaning mission and left you alone by accident. Now you are surrounded by aliens.

Fight giant War of the Worlds -style aliens invading Finland during a Winter in the 90's.

Battle massive hordes of alien monsters to secure humanity's presence on planet Gore.

Rid a post-apocalyptic Earth of alien invaders with over-the-top weaponry, solo or with a squad of four.

Hold a corridor with a mounted machine gun as wave after wave of aliens crawls, runs and flies at you.

Lead an armored convoy through alien-held cities, planning routes and using the Commander's abilities to keep your squad alive.

It came from space and ate our brains is a unique Arcade top-down shooter.

Break through unlimited waves of enemies and fight unpredictable bosses!

Can you survive the alien onslaught? Gamers across the world will now have a chance to play the next chapter in this high-budget, high-quality series.

An alien invasion has come! As the supreme general of the armed forces of the earth, your mission will be to gather an army and put an end to the…

this is a tower defence game,we need upgrade our weapons to fight waves of enemies,robots can mining diamonds,and we need spent those in many…

The Guard of Dungeon - This is the mad first-person shooter. The Unknown Alien Force (UAF) wants to enslave Our World.

Xenopurge is a tactical auto-battler where you are a Commander tasked with purging the Xenos threat.

Invade Earth with up to four players, blasting agents and mutating across randomly built city blocks.

Scramble jets at UFOs, command ground battles turn by turn, and hold a divided world together one hard decision at a time.

A single-player defense RTS where your turrets are not stuck where you built them.

Fight giant War of the Worlds -style aliens invading Finland during a Winter in the 90's.

Lead a squad of Colonial Marines in real time against a Xenomorph outbreak on Planet Lethe.

New chapter in history of the legendary game, including 10 story missions.

You defend a droid planet from orbit-scale invasions, firing the Prime Cannon while your turrets and droids hold the line.

Rid a post-apocalyptic Earth of alien invaders with over-the-top weaponry, solo or with a squad of four.

This is a simple tower defend like game,click mouse left button to shoot enemies, make sure you don't get hurt. Defeat Neomorph, fight with ladies!

Lead colorful troops across alien planets, switching their roles mid-battle while the jokes keep coming.

Take on Galactoil, a comically dysfunctional intergalactic energy corporation, and its larger-than-life employees in a tactical-stealth game that…

Scramble jets at UFOs, command ground battles turn by turn, and hold a divided world together one hard decision at a time.

Isometric action shooter with light RPG elements. Brutally kill tons of alien monsters, find over a dozen powerful weapons, skill up your hero &…

Xenopurge is a tactical auto-battler where you are a Commander tasked with purging the Xenos threat.

Busy but Addictive! This BATTLE x MEDICAL Counter-Invasion Real-Time Strategy is like nothing you've ever seen!


An indie story-driven space shooter with intense battles, escalating enemy waves, and massive boss fights.

A single-player defense RTS where your turrets are not stuck where you built them.

Fight giant War of the Worlds -style aliens invading Finland during a Winter in the 90's.

Invade Earth with up to four players, blasting agents and mutating across randomly built city blocks.

Lead a squad of Colonial Marines in real time against a Xenomorph outbreak on Planet Lethe.

Battle massive hordes of alien monsters to secure humanity's presence on planet Gore.

Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi…