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Best Aliens Games

Top 50 of 178 qualifying games — tagged Aliens (community voting), 1,000+ reviews · ranked by Wilson lower bound on Steam review score · review data as of 2026-08-06.

1 Half-Life: Alyx (2020) VR · FPS · Story Rich · $59.99 98.3%104,864 reviews 2 420BLAZEIT 2: GAME OF THE YEAR -=Dank Dreams and Goated Memes=- [#wow/11 Like and Subscribe] Poggerz Edition (2024) Satire · Action · FPS · $10.99 98.4%1,668 reviews 3 Loddlenaut (2023) Underwater · Relaxing · Open World · $19.99 98.0%6,092 reviews 4 Half-Life 2 (2004) FPS · Action · Sci-fi · $9.99 97.6%277,331 reviews 5 Angel at Dusk (2024) Action · Bullet Hell · Shooter · $14.99 98.2%1,725 reviews 6 Subnautica (2018) Open World Survival Craft · Survival · Horror · $7.49 97.1%377,886 reviews 7 Half-Life 2: Episode Two (2007) FPS · Action · Sci-fi · $19.99 97.1%41,275 reviews 8 Lethal Company (2023) Online Co-Op · Horror · First-Person · $9.99 97.0%510,077 reviews 9 Half-Life (1998) FPS · Classic · 1990's · $9.99 96.5%163,229 reviews 10 Insaniquarium Deluxe (2006) Casual · Classic · Underwater · $4.99 96.8%6,786 reviews 11 The Planet Crafter (2024) Open World Survival Craft · Base-Building · Survival · $23.99 96.0%72,603 reviews 12 Bit Blaster XL (2016) Bullet Hell · Shoot 'Em Up · Difficult · $0.99 96.4%6,152 reviews 13 Abiotic Factor (2025) Survival · Online Co-Op · Open World Survival Craft · $34.99 95.8%57,844 reviews 14 Half-Life 2: Episode One (2006) FPS · Action · Sci-fi · $19.99 95.8%31,358 reviews 15 Defense Grid: The Awakening (2008) Tower Defense · Strategy · Sci-fi · $9.99 96.1%5,363 reviews 16 RetroMaze (2018) Casual · Indie · Retro · $0.99 96.2%1,592 reviews 17 Half-Life: Opposing Force (1999) FPS · Action · Classic · $4.99 95.3%28,760 reviews 18 Black Mesa (2020) FPS · Remake · Action · $19.99 95.0%144,125 reviews 19 The Riftbreaker: Prologue (2020) Base-Building · Strategy · Hack and Slash · Free 95.5%4,125 reviews 20 Alien Shooter (2009) Shooter · Action · Gore · $4.99 95.4%4,732 reviews 21 Alien Swarm: Reactive Drop (2017) Twin Stick Shooter · PvE · Top-Down Shooter · Free 94.9%23,720 reviews 22 EARTH DEFENSE FORCE 4.1 The Shadow of New Despair (2016) Action · Third-Person Shooter · Co-op · $19.99 95.0%10,507 reviews 23 Alien Swarm (2010) Free to Play · Co-op · Action · Free 94.8%21,594 reviews 24 Freedom Planet (2014) Platformer · Great Soundtrack · Action · $14.99 95.0%4,892 reviews 25 Vertigo 2 (2023) VR · Indie · Sci-fi · $29.99 95.2%2,713 reviews 26 X-COM: UFO Defense (2008) Strategy · Classic · Turn-Based Strategy · $4.99 95.0%3,986 reviews 27 1000xRESIST (2024) Female Protagonist · Thriller · Futuristic · $19.99 94.5%6,879 reviews 28 EARTH DEFENSE FORCE 5 (2019) Action · Online Co-Op · Third-Person Shooter · $59.99 94.2%11,491 reviews 29 Dead Space 2 (2011) Horror · Survival Horror · Third-Person Shooter · $19.99 94.0%29,511 reviews 30 Marvel's Guardians of the Galaxy (2021) Singleplayer · Story Rich · Action · $59.99 93.8%44,875 reviews 31 XCOM: Enemy Unknown (2012) Turn-Based Strategy · Tactical · Strategy · $5.99 93.2%58,481 reviews 32 Alien: Isolation (2014) Horror · Survival Horror · Sci-fi · $39.99 93.1%66,310 reviews 33 Command & Conquer 3: Kane’s Wrath (2009) Family Friendly · Level Editor · Strategy · $19.88 93.5%5,824 reviews 34 Infested Planet (2014) Strategy · Tower Defense · Action · $14.99 93.6%3,038 reviews 35 Serious Sam HD: The First Encounter (2009) FPS · Action · Shooter · $14.99 93.1%8,918 reviews 36 STASIS: BONE TOTEM (2023) Point & Click · Adventure · Isometric · $19.99 93.5%2,640 reviews 37 SPORE (2008) God Game · Open World · Sandbox · $19.99 92.6%72,340 reviews 38 Half-Life: Blue Shift (2001) FPS · Action · Sci-fi · $4.99 92.6%21,074 reviews 39 Machinika: Museum (2021) Puzzle · Mystery · Point & Click · $7.99 92.7%6,272 reviews 40 Soda Crisis (2022) Side Scroller · Runner · Shoot 'Em Up · $6.59 92.9%3,223 reviews 41 Among Us (2018) Multiplayer · Social Deduction · Online Co-Op · $4.99 92.0%742,036 reviews 42 Halo: The Master Chief Collection (2019) Great Soundtrack · FPS · Classic · $39.99 92.0%261,212 reviews 43 Destroy All Humans! (2020) Action · Adventure · Villain Protagonist · $29.99 92.3%11,464 reviews 44 HIVESWAP: ACT 1 (2017) Adventure · Point & Click · Great Soundtrack · $7.99 92.5%4,053 reviews 45 Dead Space (2008) (2009) Horror · Sci-fi · Action · $19.99 91.9%29,050 reviews 46 Starcom: Unknown Space (2024) Space · Exploration · Open World · $24.99 92.4%4,442 reviews 47 Rodina (2014) Space · Exploration · Open World · $14.99 93.0%1,330 reviews 48 Aliens vs. Predator (2010) Action · FPS · Aliens · $14.99 91.4%21,389 reviews 49 Alien Shooter 2: Reloaded (2009) Aliens · Looter Shooter · Shoot 'Em Up · $4.99 91.8%3,589 reviews 50 Halo Wars: Definitive Edition (2017) Strategy · RTS · Base-Building · $19.99 91.4%9,462 reviews