the 4 coins in his pocket:
a chainsaw gun:
a nail-gun that’s actually a “nail” gun:
the red robotic hand in his inventory:
the blue robotic hand in his inventory:
the “f” button:
the 2 really explosive guns in his inventory:
the up button:
“Anarchic”, “Supreme”, “SSadistic”, “SSShitstorm”, and “ULTRAKILL”:
a GoPro: