Here are some of trailers for upcoming games from Gamescom:
DmC: Devil May Cry (PS3, Xbox 360, PC)
Mass Effect 3 (PS3, Xbox 360, PC)
Tom Clancy's Ghost Recon: Future Soldier (PS3, Xbox 360, PC)
Prototype 2 (PS3, Xbox 360, PC)
Street Fighter X Tekken (PS3, Xbox 360, PS Vita)
DmC: Devil May Cry (PS3, Xbox 360, PC)
Mass Effect 3 (PS3, Xbox 360, PC)
Tom Clancy's Ghost Recon: Future Soldier (PS3, Xbox 360, PC)
Prototype 2 (PS3, Xbox 360, PC)
Street Fighter X Tekken (PS3, Xbox 360, PS Vita)