No.10: Torque 3D
No.9: Vicious Engine 2
No.8: Bigworld Technology Suite
No.7: Vision Engine 7.5
No.6: Infernal Engine
No.5: BlitzTech
No.4: Unity 3D
No.3: CryENGINE 3
No.2: Gamebryo Lightspeed
No.1: Unreal Engine 3
Fonte: http://www.developmag.com/news/32250/The-top-10-game-engines-revealed