GameDynamo - "In Mad Survival, you're pitted against other playable characters, making things a bit more challenging. Dogfight mode, meanwhile, has the players hanging from helicopters, each one trying to gun all of the others down."

Two-day event includes exclusive reveals, trailers and playable games on show floor.

CEO Haruki Satomi said Sega will "take these lessons into account for future initiatives"

Rovio “found it difficult to advance its initially planned business development,” says Sega.