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

DOOM II (Classic)

Xbox One

Windows 10

43,748 Achievements Earned
10,629 Players Tracked
19 Total Achievements
24,209 Obtainable EXP
1,000 Gamerscore
127 100% Club

Find a secret level

15

11.53% Very Rare - 963.00 EXP

You have not earned this achievement yet