Black Mesa Decathlon Winner Achievement for

Black Mesa Decathlon Winner Achievement

Icon for Black Mesa Decathlon Winner

Black Mesa Decathlon Winner

Escape the Gargantua’s Lair without taking any damage from Gargantuas.
2.60% of players have unlocked this achievement

Guides

We have no guides for this achievement.

Players

Icon for HelloHalo

HelloHalo

Earned on: Feb 7th 2026, 1:41:33 am

Endymion

Earned on: Jan 13th 2024, 3:35:57 pm

AFAK

Earned on: Jul 20th 2021, 4:15:38 am

aspidya

Earned on: Jun 20th 2021, 4:24:58 am

MuckPie

Earned on: Jun 18th 2020, 2:17:47 pm