Even ignoring the game's structure, a game that gave Captain Boomerang a gun was never going to be good.
Even the comic with the most violent Captain Boomerang kill in DC history still had him use his boomerang.
https://i.ibb.co/Twbb1b6/20240223-211737.jpg
https://youtu.be/qj9p6IFSlnk?si=cZ5L4OPM0TjVjwCD