Silkworm

"Silkworm" is a Science Fiction Shooter game that can be played by 1 or 2 players in a cooperative manner. Players can control a helicopter or a jeep, with the objective of protecting each other while defeating enemies and collecting power-ups. The game features horizontally-scrolling levels, including a boss fight at the end of each level, with a 'goose' helicopter appearing occasionally to provide power-ups.