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Half-Life: Opposing Force

16 Adventure games like Half-Life: Opposing Force that you should try

Games like Half-Life: Opposing Force · Find similar →

We filtered the 50 games similar to Half-Life: Opposing Force down to the 16 that fit the “Adventure” category. Half-Life: Source, Half-Life: Blue Shift and Half-Life top the list, ranked by affinity and similarity score to Half-Life: Opposing Force.

NextGameLike84/ 100

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GenreShooterSubgenreFPSSub-subgenreTactical FPS
Tags
NarrativeDarkSoloMultiplayer
Year 1999Dev Gearbox Software
Stores

Quick answer

Within the “Adventure” category, the closest game to Half-Life: Opposing Force is Half-Life: Source — scoring 94/100 on our similarity scale. Half-Life: Blue Shift and Half-Life follow close behind.

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The best adventure games like Half-Life: Opposing Force

16 similar games foundUpdated May 2026

Handpicked by our similarity algorithm, these are the titles with the highest gameplay match to Half-Life: Opposing Force. 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.

1

Half-Life: Source

94
NGL70
Half-Life: Source
Closest overall match
ShooterFPSTactical FPS
SoloMultiplayerRangedMeleeTacticalNarrativeDarkHorrorSci-FiFirst Person
Year 2004Dev Valve Software · ValvePlaytime ~1hOn PC · Apple Macintosh · Linux

If Half-Life: Opposing Force worked for you because of strong narrative focus, ranged combat and horror setting, the same is here. The common ground extends to a first-person view and single-player focus. It sets itself apart with horror tension.

Released 5 years after Half-Life: Opposing Force.

Genre100Combat100Tone100Setting100Visuals100Game mode73
2

Half-Life: Blue Shift

87
NGL78
Half-Life: Blue Shift
ShooterFPSTactical FPS
SoloRangedMeleeTacticalDarkNarrativeSci-FiHorrorFirst Person
Year 2001Dev Gearbox Software · ValvePlaytime ~2hOn PC · Apple Macintosh · Linux

If Half-Life: Opposing Force worked for you because of dark, oppressive atmosphere, ranged combat and a sci-fi setting, the same is here. Both also lean on single-player focus and a first-person view. The distance is in game mode.

Same studio: Gearbox Software.

Genre100Combat100Tone100Setting100Visuals100Game mode40
3

Half-Life

92
NGL92
Half-Life
Closest on game mode
ShooterFPSTactical FPS
SoloMultiplayerPvPRangedMeleeTacticalNarrativeDarkSci-FiHorrorFirst Person
Year 1998Dev Valve Software · ValvePlaytime ~3hOn PC · PS · Apple Macintosh

It shares the essentials of what Half-Life: Opposing Force does: strong narrative focus, ranged combat and a sci-fi setting. To that it adds PvP competition and a first-person view. Its own ground is punishing difficulty.

Genre100Combat100Game mode100Setting100Visuals100Tone72
4

Black Mesa

89
NGL90
Black Mesa
ShooterFPSTactical FPS
SoloMultiplayerRangedMeleeTacticalNarrativeDarkSci-FiHorrorFirst Person
Year 2020Dev Crowbar CollectivePlaytime ~6hOn PC · Linux

If Half-Life: Opposing Force worked for you because of strong narrative focus, ranged combat and a sci-fi setting, the same is here. Both also lean on single-player focus and a first-person view. What it adds of its own: horror tension and an early-access release.

Released 21 years after Half-Life: Opposing Force.

Genre100Combat100Tone100Setting100Visuals100Game mode79
5

Return to Castle Wolfenstein

79
NGL87
Return to Castle Wolfenstein
ShooterFPSTactical FPS
SoloMultiplayerRangedMeleeTacticalDarkNarrativeHorrorSci-FiFirst Person
Year 2001Dev Nerve Software · Bethesda SoftworksPlaytime ~1hOn PC · PS · Apple Macintosh

Held in common with Half-Life: Opposing Force: dark, oppressive atmosphere, ranged combat and horror setting. The common ground extends to a first-person view and single-player focus. Where the two diverge is setting: historical setting.

Genre100Tone100Visuals100Combat84Game mode79Setting59
6

Ready or Not

76
NGL81
Ready or Not
ShooterFPSTactical FPS
SoloMultiplayerTacticalRangedMeleeDarkNarrativeHorrorFirst Person
Year 2023Dev VOID InteractivePlaytime ~6hOn PC

It shares the essentials of what Half-Life: Opposing Force does: dark, oppressive atmosphere, tactical combat and horror setting. The common ground extends to single-player focus and a first-person view. Where the two diverge is setting and game mode: a contemporary setting and co-op play.

Released 24 years after Half-Life: Opposing Force.

Genre100Combat100Tone100Visuals100Game mode59Setting41
7

Doom Eternal

75
NGL89
Doom Eternal
ShooterFPSTactical FPS
SoloMultiplayerMeleeTacticalDarkNarrativeHorrorSci-FiFirst Person
Year 2020Dev id Software · Bethesda SoftworksOn Xbox · PS4 · PC

Genre puts it alongside Half-Life: Opposing Force, and so does dark, oppressive atmosphere, melee combat and horror setting. Both also lean on single-player focus and a first-person view. The distance is in combat and setting — its own ground is fantasy world.

Released 21 years after Half-Life: Opposing Force.

Genre100Visuals100Game mode79Tone79Setting69Combat66
8

Wolfenstein: The Old Blood

74
NGL84
Wolfenstein: The Old Blood
ShooterFPSTactical FPS
SoloMultiplayerMeleeTacticalDarkNarrativeHorrorSci-FiFirst Person
Year 2015Dev MachineGames · Bethesda SoftworksOn PS4 · PC · Xbox

On paper it is what Half-Life: Opposing Force is — dark, oppressive atmosphere, melee combat and horror setting — though the resemblance is mostly at that level. Both also lean on single-player focus and a first-person view. The distance is in combat and setting — its own ground is stealth mechanics and historical setting.

Released 16 years after Half-Life: Opposing Force.

Genre100Tone100Visuals100Game mode73Setting61Combat54
9

STAR WARS™ Republic Commando™

73
NGL85
STAR WARS™ Republic Commando™
ShooterFPSTactical FPS
SoloMultiplayerMeleeRangedTacticalNarrativeSci-FiFirst Person
Year 2005Dev LucasArts Entertainment · Disney InteractivePlaytime ~1hOn PC · PS · Xbox

It comes from the same genre as Half-Life: Opposing Force and shares strong narrative focus, melee combat and a sci-fi setting. To that it adds single-player focus and a first-person view. They part company on setting and tone: this one brings a space setting.

Released 6 years after Half-Life: Opposing Force.

Genre100Combat100Visuals100Game mode73Tone57Setting51
10

Call of Duty: Black Ops II

72
NGL84
Call of Duty: Black Ops II
ShooterFPSTactical FPS
MultiplayerSoloMeleeTacticalNarrativeDarkSci-FiHorrorFirst Person
Year 2012Dev Treyarch · ActivisionOn PlayStation 3 · PC

The genre is the same as Half-Life: Opposing Force’s, and with it strong narrative focus, melee combat and a sci-fi setting. Both also lean on a first-person view and multiplayer gameplay. The distance is in game mode and combat — its own ground is co-op play.

Released 13 years after Half-Life: Opposing Force.

Genre100Tone100Visuals100Setting83Combat67Game mode42
11

Titanfall 2

71
NGL92
Titanfall 2
ShooterFPSTactical FPS
SoloMultiplayerPvPMeleeTacticalDarkSci-FiFirst Person
Year 2016Dev Respawn Entertainment · Electronic ArtsOn PS4 · PC · Xbox

Shelved next to Half-Life: Opposing Force for good reason: dark, oppressive atmosphere, melee combat and a sci-fi setting. The common ground extends to single-player focus and a first-person view. Where the two diverge is setting and combat: historical setting.

Released 17 years after Half-Life: Opposing Force.

Genre100Visuals100Game mode80Combat62Tone62Setting61
12

Spec Ops: The Line

67
NGL88
Spec Ops: The Line
ShooterFPSTactical FPS
SoloMultiplayerMeleeTacticalNarrativeDarkHorror
Year 2012Dev Yager Development · 2K GamesOn PlayStation 3 · Linux · PC

On paper it is what Half-Life: Opposing Force is — strong narrative focus, melee combat and horror setting — though the resemblance is mostly at that level. The common ground extends to single-player focus. Where the two diverge is visuals and setting: stealth mechanics and historical setting.

Released 13 years after Half-Life: Opposing Force.

Genre100Tone100Game mode79Combat53Setting30Visuals0
13

Star Wars Battlefront II

67
NGL83
Star Wars Battlefront II
ShooterFPSTactical FPS
MultiplayerSoloPvPMeleeTacticalSci-FiFirst Person
Year 2017Dev EA Digital Illusions CE · Electronic ArtsOn PS4 · PC · Xbox

Shelved next to Half-Life: Opposing Force for good reason: melee combat, a sci-fi setting and multiplayer gameplay. The common ground extends to a first-person view. Where the two diverge is setting and combat: a space setting and co-op play.

Released 18 years after Half-Life: Opposing Force.

Genre100Visuals71Game mode66Combat62Setting40
14

Transformers: War for Cybertron

61
NGL84
Transformers: War for Cybertron
ShooterFPSTactical FPS
SoloMultiplayerMeleeTacticalSci-Fi
Year 2010Dev High Moon Studios · ActivisionOn PlayStation 3 · PC

It comes from the same genre as Half-Life: Opposing Force and shares melee combat, a sci-fi setting and single-player focus. The distance is in visuals and game mode — its own ground is co-op play and a third-person camera.

Released 11 years after Half-Life: Opposing Force.

Genre100Setting76Combat66Game mode59Visuals0
15

Call of Duty: Mobile

59
NGL83
Call of Duty: Mobile
ShooterFPSTactical FPS
SoloMultiplayerTacticalFirst PersonThird Person
Year 2019Dev Timi · Tencent GamesOn Android · iOS

With Half-Life: Opposing Force it shares tactical combat, single-player focus and a first-person view. They part company on combat: this one brings a third-person camera.

Released 20 years after Half-Life: Opposing Force.

Genre100Game mode78Visuals72Combat46

More similar-games lists to keep going

Found one on the list you already love? Open its own list: the games that play most like it, ranked, with the reason for each.

Explore games similar to Half-Life: Opposing Force by category

If Half-Life: Opposing Force left you wanting more, this is where you narrow it down. Was it the adventure or the narrative that hooked you? There is a list of just that. And if you play on PS5, PlayStation and Xbox, filter by platform and skip the games you could not play anyway.

Rankings in the same genre

Sometimes what you want is not a Half-Life: Opposing Force look-alike but simply the best Tactical FPS Games there are. That is what these rankings are for: no comparison to anything, just the highest-rated games. And if you feel like widening the net, the Shooter Games ranking is a good way to run into something you were not expecting.