Peer Review

"Peer Review is a reboot of Half-Life's third and final expansion, Half-Life: Decay."

· July 3, 2025· Mod

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 the perspectives of Dr. Cross and Dr. Green. With all missions from the original game and fully functional co-op, Peer Review aims to give a fresh take on classic Half-Life that you can enjoy with a friend.

Released 3 July 2025 for PC (Microsoft Windows). 2-player local co-op.

Story

After a routine experiment goes catastrophically wrong, Dr. Gina Cross and Dr. Colette Green must fight to survive the aftermath of the Black Mesa Incident.