
Aliens: Dark Descent
Lead a squad of Colonial Marines in real time against a Xenomorph outbreak on Planet Lethe.
Looking for that same replayable and tense spark as Infested Planet? Browse these games for your next favorite.
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!
Replayable, Tense, Brutal
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.
Replayable, Tense, Brutal
Busy but Addictive! This BATTLE x MEDICAL Counter-Invasion Real-Time Strategy is like nothing you've ever seen! An army of aliens is here to invade the Earth! Show the Earth-style greeting to those unwanted visitors who lounge around our grounds! Lead your troops to extinguish zillions of aliens!
Replayable, Tense, Dark
A single-player defense RTS where your turrets are not stuck where you built them. Drag them around mid-fight, call down orbital fire, and hold the line against thousands of alien bugs while miners, carts and nuclear trucks do their slow, vulnerable work.
Replayable, Tense, Fast-paced
Lead the Mobile Infantry on the desert world of Kwalasha in a real-time tactics game set in the Starship Troopers universe. No base building, no harvesting: just a handful of squads, endless Bugs, and positioning that decides who walks away. Hold the line, burn the hives, and enjoy the propaganda.
Replayable, Tense, Retro
Lead a secret taskforce against a mutant virus on a hostile planet. Red Solstice 2 mixes a strategic campaign with tense real-time combat missions, six classes, deep customization and co-op for up to eight players. Plan the war on the map, then fight it out on the ground, alone or with friends.
Replayable, Tense, Brutal
A cartoon sci-fi RTS from the Kingdom Rush studio: command soldiers, mechas and aliens across three strange planets, swap your troops' roles mid-fight, call down orbital strikes and laugh at the jokes along the way. Light on controls, big on personality, and tougher than it looks by the third world.
Replayable, Fast-paced, Retro
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!
Replayable, Tense, Brutal
You are the evil Hivemind, and the Humans have walls. Place living spawners, pin attack targets, and watch up to 5,000 bugs flood over their defenses while you evolve the swarm with 127 mutations. A low-micro RTS with a 45-mission campaign, Survival, and 4-player bug-on-bug battles.
Replayable, Fast-paced, Retro
A roguelike tower defense where the terrain is your weapon. Tile the map into choke points and kill zones, pick from 30 heroes across three factions, and adapt your defenses wave by wave as the alien invasion keeps coming. Short runs, big decisions, and no two battles alike.
Replayable, Tense
Tower defense played backwards: you are the wave. You plot an armor squad's route through alien-held Baghdad and Tokyo, pick the vehicles, then keep them alive with commander abilities while turrets tear into them. Short, sharp and tactical.
Replayable, Tense, Fast-paced
Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.
Replayable, Tense, Dark

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

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

Innovative Tower Defense inspired by legendary Alien Shooter series!

Tower defense played backwards: you are the wave. You plot an armor squad's route through alien-held Baghdad and Tokyo, pick the vehicles, then keep…

Command a toy soldier army holding a house against hungry bugs.

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

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.

Players measure stamina with a never-ending stream of green creatures within the borders of a special military mission.

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

Faced with a terrifying Martian invasion, you must lead Earth’s forces in a battle for our planet’s future.

USC is a turn-based, top-down view tactics game in which you control the crew of a stranded recon vessel in a "first contact war" for survival…

A quick-to-learn but challenging real-time strategy game where you spawn an army of space-bugs that control themselves.

Command units, call down bases and draft a fresh build after every battle in a fast sci-fi RTS where each run plays out differently.

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

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.

Play the villain, evolve your swarm with wild mutations, and let the horde do the dirty work.

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis!

Command improvised squads of marines and convicts through a grim, tense campaign where every loss stings and every run plays out differently.

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

Shape the battlefield into kill zones, hold the line against waves of aliens, and rebuild your defenses every run.

Commander, your strike team is to dive deep into the contaminated city of Sun Stone and get some answers before the mysterious deadly plague spreads .

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

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

Turn-based tactics meets real-time choices. Control each moment of combat: react to enemy fire, aim your shots, and interrupt enemies on-the-fly.

Turn-based tactics meets real-time choices. Control each moment of combat: react to enemy fire, aim your shots, and interrupt enemies on-the-fly.

Space Tales is a sci-fi RTS where you build fortified bases, manage resources, and command retro-futuristic armies.

Command units, call down bases and draft a fresh build after every battle in a fast sci-fi RTS where each run plays out differently.

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

Command improvised squads of marines and convicts through a grim, tense campaign where every loss stings and every run plays out differently.

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!

Faced with a terrifying Martian invasion, you must lead Earth’s forces in a battle for our planet’s future.

Play the villain, evolve your swarm with wild mutations, and let the horde do the dirty work.

Shape the battlefield into kill zones, hold the line against waves of aliens, and rebuild your defenses every run.

Commander, your strike team is to dive deep into the contaminated city of Sun Stone and get some answers before the mysterious deadly plague spreads .

Beat the Humans is the turn-based tactical strategy game. Here you lead an army of aliens against invaders from the human race.