1. Black Mesa Achievements
  2. Orbital Trajectory achievement
Black Mesa

Black Mesa

1,077
50
4.42
Game action
Black Mesa

Orbital Trajectory achievement in Black Mesa

Orbital Trajectory

Skip the opening Xen island with a secret jump.​

Orbital Trajectory0
Hide ads

Have you got any tips or tricks to unlock this achievement?
Add a guide to share them with the community.

Sign in and add a guide
Do you have a question about this achievement? Please post it in the Black Mesa Forum