Chopper Attack is a Nintendo 64 game with separate European and US releases. It's likely an action game involving helicopters, with gameplay focused on aerial combat and possibly missions.  Specifics on the developer and precise features require further research to determine unique aspects of the European and US versions. The game's mechanics likely involve piloting a helicopter, engaging in combat, and navigating levels in 3D space.

Chopper Attack (Europe)

Charmy The Bee 64 Playable