The Glacier 1 engine was created in 1998 by IO Interactive, and have been running most of all IO Interactive's games since. The Glacier 1 engine is by 2011 retired through the announcement and upcoming release of the newer and stronger Glacier 2 engine, in the latest franchise Hitman: Absolution.
T238 Rechargeable Tactical Prop Electric Flashbang w/ Strobe and Alarm (Color: Orange), Accessories & Parts, Hand Grenades & Mines - Airsoft Superstore
Simon Norfolk Geological layers as human history
Wildfire roundup: Fires ignite across western Montana amid sweltering temps
hips.hearstapps.com/esq.h-cdn.co/assets/15/28/1436
Open Source Concepts - Giant Bomb
Hitman 3 - Wikipedia
Original Xbox Game Engines - Retro Reversing (Reverse Engineering)
Bob-omb, MarioWiki
Journey to the Doomsday Glacier
Bomber plane above hi-res stock photography and images - Alamy
Gunther Hermann Games - Giant Bomb
Glacier Engine 1 Games - Giant Bomb