Heavy Barrel is a run-and-gun game for the Nintendo Entertainment System (NES), released in the United States. The game features a unique gameplay mechanic where the player character, a soldier named Brad, must navigate treacherous levels filled with enemies and obstacles while collecting power-ups.  The game is known for its fast-paced action, challenging gameplay, and memorable soundtrack. While not a hugely popular title, it's appreciated by fans of the genre for its distinctive style. The developer and publisher information is not readily available for this particular NES release. 

Heavy Barrel (USA)

Hayama Reiko no Date de Blackjack (Japan) (Unl)