Half-Life: Source

19 Games with a sci-fi setting like Half-Life: Source that you should try

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We filtered the 50 games similar to Half-Life: Source down to the 19 that fit the “Sci-Fi” category. Black Mesa, NecroVision and Half-Life: Blue Shift top the list, ranked by affinity and similarity score to Half-Life: Source.

iRank70/ 100

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GenreShooterSubgenreFPSSub-subgenreTactical FPS

Tags

NarrativeDarkSoloMultiplayer

Year 2004Dev Valve Software

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Quick answer

Within the “Sci-Fi” category, the closest game to Half-Life: Source is Black Mesa — scoring 100/100 on our similarity scale. NecroVision and Half-Life: Blue Shift follow close behind.

#1Black Mesa100 #2NecroVision98 #3Half-Life: Blue Shift98 #4Return to Castle Wolfenstein96 #5Half-Life: Opposing Force96

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The best games with a sci-fi setting like Half-Life: Source

19 similar games foundUpdated July 2026

Handpicked by our similarity algorithm, these are the titles with the highest gameplay match to Half-Life: Source. Each one has been evaluated across 16 real attributes — from combat style and progression mechanics to world structure and visual perspective — so every recommendation is based on how the game actually plays, not just its genre label.

100

Black Mesa

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerRangedMeleeTacticalNarrativeDarkSci-FiHorrorFirst Person

Steam👍 95%· 142KRAWG👍 90%· 1.1KMC86IGDB88· 3OC85· 16

Year 2020Dev Crowbar CollectivePlaytime ~6hOn PC · Linux

✓ Same family of tactical first-person shooters: shooter, first-person shooting and adventure storytelling

≠ Its own twist: early access, while skipping puzzle design

98

NecroVision

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerMeleeRangedTacticalDarkNarrativeHorrorSci-FiFirst Person

Steam👍 68%· 1.9KRAWG👍 44%· 89MC63IGDB60· 1

Year 2009Dev The Farm 51 · 1C-SoftClubPlaytime ~1hOn PC

✓ Same family of tactical first-person shooters: shooter, first-person shooting and horror tension

≠ Its own twist: fantasy world and historical setting, while skipping adventure storytelling

#3Half-Life: Blue Shift

98

Half-Life: Blue Shift

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloRangedMeleeTacticalDarkNarrativeSci-FiHorrorFirst Person

Steam👍 93%· 21KRAWG👍 74%· 764MC71IGDB60· 1

Year 2001Dev Gearbox Software · ValvePlaytime ~2hOn PC · Apple Macintosh · Linux

✓ Nearly identical: shooter, first-person shooting and puzzle design.

≠ Missing: horror tension.

#4Return to Castle Wolfenstein

96

Return to Castle Wolfenstein

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerRangedMeleeTacticalDarkNarrativeHorrorSci-FiFirst Person

Steam👍 93%· 9.1KRAWG👍 90%· 467MC88IGDB68· 5

Year 2001Dev Nerve Software · Bethesda SoftworksPlaytime ~1hOn PC · PS · Apple Macintosh

✓ Fits the tactical first-person shooters cluster, with shooter, first-person shooting and horror tension

≠ Stands apart with stealth mechanics, historical setting and fantasy world, while skipping puzzle design

#5Half-Life: Opposing Force

96

Half-Life: Opposing Force

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerRangedTacticalMeleeNarrativeDarkSci-FiHorrorFirst Person

Steam👍 95%· 28KRAWG👍 80%· 750IGDB70· 1

Year 1999Dev Gearbox Software · ValvePlaytime ~3hOn PC · Apple Macintosh · Linux

✓ Fits the tactical first-person shooters cluster, with shooter, first-person shooting and puzzle design

≠ Stands apart with PvP competition, while skipping horror tension

93

Doom Eternal

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerMeleeTacticalDarkNarrativeHorrorSci-FiFirst Person

Steam👍 91%· 215KIGDB86· 14OC89· 211

Year 2020Dev id Software · Bethesda SoftworksOn Xbox · PS4 · PC

✓ Both are tactical first-person shooters — sharing shooter, first-person shooting and adventure storytelling

≠ Its own twist: punishing difficulty, fantasy world and post-apocalyptic world, while skipping puzzle design

#7Wolfenstein: The Old Blood

93

Wolfenstein: The Old Blood

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerMeleeTacticalDarkNarrativeHorrorSci-FiFirst Person

Steam👍 90%· 23KIGDB76· 15OC78· 84

Year 2015Dev MachineGames · Bethesda SoftworksOn PS4 · PC · Xbox

✓ Fits the tactical first-person shooters cluster, with shooter, first-person shooting and adventure storytelling

≠ Stands apart with stealth mechanics, historical setting and fantasy world, while skipping puzzle design

92

Half-Life

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerRangedMeleeTacticalNarrativeDarkSci-FiHorrorFirst Person

Steam👍 97%· 161KRAWG👍 89%· 2.4KMC96IGDB80· 1

Year 1998Dev Valve Software · ValvePlaytime ~3hOn PC · PS · Apple Macintosh

✓ Same family of tactical first-person shooters: shooter, first-person shooting and adventure storytelling

≠ Its own twist: punishing difficulty and PvP competition, while skipping precision platforming

91

DOOM II

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerTacticalRangedMeleeDarkHorrorSci-FiFirst Person

Year 2020Dev ELDRAZI-17On PC

✓ Fits the tactical first-person shooters cluster, with shooter, first-person shooting and dark, oppressive atmosphere

≠ Its own twist: deep RPG systems, setting space and co op, while skipping adventure storytelling

91

Metro 2033

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMeleeTacticalNarrativeDarkHorrorSci-FiFirst Person

Steam👍 93%· 34KIGDB87· 3

Year 2010Dev 4A Games · THQOn PC

✓ Same family of tactical first-person shooters: shooter, first-person shooting and horror tension

≠ Where it differs: brings deep RPG systems, survival mechanics and linear, story-driven structure, while skipping puzzle design

#11STAR WARS™ Republic Commando™

92

STAR WARS™ Republic Commando™

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerMeleeRangedTacticalNarrativeSci-FiFirst Person

Steam👍 96%· 17KRAWG👍 88%· 530MC78IGDB81· 5OC70· 23

Year 2005Dev LucasArts Entertainment · Disney InteractivePlaytime ~1hOn PC · PS · Xbox

✓ Fits the tactical first-person shooters cluster, with shooter, first-person shooting and adventure storytelling

≠ Stands apart with setting space, historical setting and co op, while skipping puzzle design

91

Killzone 2

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerTacticalSci-FiFirst Person

IGDB90· 8

Year 2009Dev Guerrilla Games · Sony Computer EntertainmentOn PlayStation 3

✓ Nearly identical: shooter, first-person shooting and combat tactical.

≠ Missing: adventure storytelling.

#13Perfect Dark Zero

91

Perfect Dark Zero

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerTacticalNarrativeDarkSci-FiFirst Person

IGDB72· 3

Year 2005Dev Rare · Microsoft Game Studios

✓ Same family of tactical first-person shooters: shooter, first-person shooting and strong narrative focus

≠ Where it differs: brings stealth mechanics, while skipping adventure storytelling

#14Killzone: Shadow Fall

91

Killzone: Shadow Fall

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMultiplayerTacticalSci-FiFirst Person

IGDB65· 14OC73· 68

Year 2013Dev Guerrilla Games · Sony Computer EntertainmentOn PS4

✓ Nearly identical: shooter, first-person shooting and combat tactical.

≠ Missing: adventure storytelling.

#15Wolfenstein: The New Order

89

Wolfenstein: The New Order

GenreShooterSubgenreFPSSub-subgenreTactical FPS

SoloMeleeTacticalDarkNarrativeSci-FiFirst Person

Steam👍 92%· 61KIGDB77· 16OC82· 101

Year 2014Dev MachineGames · Bethesda SoftworksOn PlayStation 3 · PS4 · PC

✓ Both are tactical first-person shooters — sharing shooter, first-person shooting and adventure storytelling

≠ Where it differs: brings stealth mechanics, historical setting and fantasy world, while skipping puzzle design

Complete list of games with a sci-fi setting like Half-Life: Source

The full catalog of games sharing gameplay DNA with Half-Life: Source, ordered from highest to lowest similarity score. Use the filters above to narrow down by genre, setting or game mode and find the alternative that best fits your playstyle.

The Bureau: XCOM Declassified

The Bureau: XCOM Declassified

Shooter · FPS

Brink

Brink

Shooter · FPS

Halo 5: Guardians

Halo 5: Guardians

Shooter · FPS

Transformers: War for Cybertron

Transformers: War for Cybertron

Shooter · FPS

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