Mr. HELI no Daibouken

"Mr. Heli is a side-scrolling helicopter combat game set in 2999, where players must stop the villainous Mr. Muddy from threatening the planet. The game features four levels with bosses, and a unique weapon upgrade system using blocks that reveal weapons upon contact with sufficient credits. Losing a life results in losing all money. The mission: save the world with a fully armed helicopter and a credit card."