PSR Digital

Developer & Publisher

PSR is a group of Source Engine developers, currently focusing on Black Mesa: Hazard Course, an addon for the Half-Life reimagining Black Mesa.

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Peer Review
Half-Life 2

Peer Review

First Person Shooter

Peer Review is a reboot of Half-Life's third and final expansion, Half-Life: Decay. Return to the Black Mesa Research Facility and relive the chaos from...

Hazard Course
Black Mesa

Hazard Course

First Person Shooter

Using Black Mesa assets as well as much of our own custom made content, Hazard Course features a complete re-creation of Half-Life's training level, including...