velvet trench
New weapon: golf club (club as in the thing that hits the ball), and ball
Vehicles (can be used as a weapon too): golf cart
Map: abandoned golf club (club as in group of golfers)
Monsters: zombies, mimic golf carts (they can be rode in but if around them too much they run over you)
Fish: golf balls (because it's common in golfing to lose your ball in water), and a flag fish (just a red triangle flag)
Cosmetics: polo shirt
Bundle: rocket golf club (sends you flying like the jetpack and is only one time use rocket but the golf club stays on working)and polo shirt with a mini monke plush in the pocket
Secrets: add a mountain of golf balls in an underwater part of the golfing map, and make one of the carts have the named coda and josh
lone flare