6 Easter Eggs were found for "Underworld":

Item	Title	Rating
Live Free or Die Hard	.Hats Off to Katy For Getting Us This Far!.	8.0 with 1 votes
Deus Ex	The Underworld Internet Oracle?	4.6 with 45 votes
Ultima Underworld II	Nystul's Little Secret	8.2 with 20 votes
Underworld: Evolution	Hungarian Egg	5.3 with 11 votes
Ultima Underworld	An Upset Ghost Named Warren	7.0 with 2 votes
The Grim Adventures Of Billy And Mandy	The Old Spongebob Line of the Krusty Krab	2.1 with 7 votes