Everything you said was wrong. Not being mean but you didn't even answer his question. Gears 1 looks to be 48 hours long. I believe you play until it becomes night time, then the Kryll come and by the time you face RAAM without sleeping mind you, it's nearly or is night time again. Also take into consideration that the days are 26 hours long, so maybe longer than 48.
You sucka's like die! http://www.youtube.com/watch?v=waE2WCdpF7E Yes it's me!