(PCE) Twin Cobra

Toaplan’s 4th shoot’em up was released in 1987 and the PC Engine port was published by Taito in 1989.
It’s a vertical shoot’em up where the player controls an helicopter armed just with a standard shot and 3 bombs; through the game some additional weapons can be added by picking up the coloured icon (green, blue, red and yellow), while S icon increases the fire power and the B adds an extra bomb.
There are 10 stages and enemies vary from tanks to artillery an even battleships.
It was released only in Japan.