Social Quest Insight Info Pricing

Login

Login

Email Password

Forgot your password? Click here to reset.

Remember me

Don't have an account yet?

Half-Life: Opposing Force cover image

Half-Life: Opposing Force

Half-Life: Opposing Force

on Steam

Insight Achievements Quest

Insight Achievements Quest

About game

Show more

Release date

1999.11.01 (Steam)

1998.11.19. (Original)

Genre

Developer

Porting

Gearbox Software

Publisher

Sierra Entertainment

Engine

Mode

Perspective

Theme

Science Fiction

More tags

Multiple Endings

Silent Protagonist

Players also liked

Boxart for Half-Life 2: Episode One

Half-Life 2: Episode One

83% audience match

Boxart for Half-Life 2: Episode Two

Half-Life 2: Episode Two

83% audience match

Boxart for Half-Life

Half-Life

79% audience match

Boxart for Half-Life 2

Half-Life 2

79% audience match

Boxart for Counter-Strike: Source

Counter-Strike: Source

74% audience match

Achievement list

Sort by

Reveal hidden

Load more

Players also liked

Boxart for Half-Life 2: Episode One

Half-Life 2: Episode One

83% audience match

Boxart for Half-Life 2: Episode Two

Half-Life 2: Episode Two

83% audience match

Boxart for Half-Life

Half-Life

79% audience match

Boxart for Half-Life 2

Half-Life 2

79% audience match

Boxart for Counter-Strike: Source

Counter-Strike: Source

74% audience match

PlayTracker is entirely independent and free of ads or similiar monetization. If you want to support PlayTracker and speed up development of future features, you can become a patron on Patreon.

PlayTracker is supported by Zagreb Innovation Centre: