It's a Secret Achievement - DOOM II (Classic) - Exophase.com

DOOM II (Classic)

Xbox One

Windows 10

43,522 Achievements Earned
10,593 Players Tracked
19 Total Achievements
24,438 Obtainable EXP
1,000 Gamerscore
124 100% Club

Find a secret level

15

11.46% Very Rare - 970.00 EXP

You have not earned this achievement yet