Discounted Aliens Games on Steam

Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated aliens games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Aliens games on Steam.

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Genome Guardian COMBINE WEAPONS in the microscopic roguelite turret shooter with macroscopic depth. Survive 6 modes using an astounding array of turrets, perks, mutations and power-ups on this psychedelic journey to the heart of the abyss. Shmup Mode turns it into a vertical shoot 'em up!

Price -84% 1.97€
Rating 8.8
Release 07 May 2024
Sketchy's Contract A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.

Price -15% 7.47€
Rating 8.1
Release 09 Apr 2024
Outcast - A New Beginning Explore the breathtaking alien world of Adelpha, support the local Talans in their struggles and fight your way through fast-paced battles against invading robot forces in this 3rd-person, open world, action adventure sequel to the 1999 cult classic.

Price -82% 7.50€
Rating 7.7
Release 15 Mar 2024
Contra: Operation Galuga The legendary Contra series returns! This reimagining of the classic run-'n'-gun action game from the ‘80s features new stages, new enemies, new play mechanics, and co-op combat for up to 4 players!

Price -59% 16.70€
Rating 8.3
Release 12 Mar 2024
The Mobius Machine Discover a vast alien world. Fight the ferocious local fauna and killer machines. Reveal its secrets and find a way to escape. The Mobius Machine is a side-scroller action adventure, with an emphasis on free-form exploration and intense combat.

Price -43% 11.18€
Rating 8.0
Release 01 Mar 2024
Go Mecha Ball Load up and roll out, in this twin stick shooter with roguelike progression! Blast your way through arcade-style levels, using pinball-style physics mixed with an arsenal of devastating weapons. Defeat waves of enemy bots, battle big bosses, and upgrade your mech between runs.

Price -97% 0.77€
Rating 8.1
Release 25 Jan 2024
The Universim Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.

Price -80% 5.80€
Rating 7.9
Release 22 Jan 2024
Angel at Dusk Overwhelmingly bizarre beauty. Shoot, dodge, and destroy! A shmup where an apocalyptic world awakens to primal desires!

Price -30% 10.35€
Rating 9.4
Release 12 Jan 2024
Turok 3: Shadow of Oblivion Remastered Finish the hunt in this epic finale to the Turok Trilogy. Pick up immediately after the events of Turok 2: Seeds of Evil, with dual protagonists Joseph and Danielle Fireseed, of the Turok family tree, as they battle the titular antagonist Oblivion and its followers, the Flesh Eaters.

Price -70% 8.76€
Rating 8.1
Release 30 Nov 2023
Valfaris: Mecha Therion Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell!

Price -97% 0.89€
Rating 8.5
Release 21 Nov 2023
Loddlenaut Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!

Price -97% 0.62€
Rating 9.4
Release 16 Nov 2023
The Invincible Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.

Price -98% 0.74€
Rating 8.6
Release 06 Nov 2023
Survivors of the Dawn A roguelite horde-survival bullet heaven with QUINTILLIONS of bullets over QUINTILLIONS of hordes. Mix weapons with items, modify, control chaos at terminals and break through tightening waves.

Price -71% 2.31€
Rating 7.3
Release 06 Nov 2023
Mist Slayer Mist Slayer is an action Roguelite game. You are a time traveling hero, called to aid in a mystical war, and armed with unique weapons and skills. Face down amazing enemies in parallel universes, collecting various power-ups, and exploring as you go. Play alone or team up with friends.

Price -67% 5.92€
Rating 6.5
Release 17 Aug 2023
Aliens: Dark Descent Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.

Price -94% 2.44€
Rating 8.6
Release 19 Jun 2023
STASIS: BONE TOTEM Get ready for a thrilling underwater adventure with classic point-and-click gameplay. Explore with three characters simultaneously. Featuring atmospheric isometric graphics, rendered video, and a soundtrack by Mark Morgan, BONE TOTEM takes you on a journey to hidden places deep below the waves...

Price -93% 1.50€
Rating 9.0
Release 31 May 2023
Silica Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer?

Price -25% 15.14€
Rating 7.5
Release 03 May 2023
Lightracer Spark Lightracer Spark is a Sci-Fi Narrative game. You are an amender from a high civilization, descending to various extraterrestrial worlds. Guide living beings to prosperity, or nip a spark in the bud. Accumulate strength through choices and strategies to grasp the rise and fall of all civilizations.

Price -33% 8.58€
Rating 8.0
Release 12 Apr 2023
Supplice Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

Price -47% 7.98€
Rating 8.1
Release 06 Apr 2023
Wall World Explore the mysterious Wall World on your giant robospider: mine for valuable resources, upgrade your equipment to fight off hordes of monsters, and discover exotic biomes in-between attacks. Will you be able to survive and learn the secrets of the Wall World?

Price -94% 0.48€
Rating 8.9
Release 05 Apr 2023
Vertigo 2 Vertigo 2 is a single-player VR adventure. Explore the depths of the vast Quantum Reactor as you descend to finish your journey home.

Price -85% 4.47€
Rating 9.1
Release 30 Mar 2023
Scars Above Scars Above is a challenging sci-fi third-person action adventure shooter combining the rewarding feel of overcoming difficulty with a compelling and intricate story, set in a mysterious alien world to explore.

Price -96% 1.20€
Rating 7.5
Release 28 Feb 2023
Dead Space The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.

Price -87% 7.95€
Rating 8.9
Release 27 Jan 2023
2112TD: Tower Defense Survival Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.

Price -69% 1.50€
Rating 8.2
Release 19 Jan 2023