Well title says all but these are my ideas:

Location: Candy Land
Jawbreaker Hammer, 8 damage + low freeze rate (slow),12k
Toxic Waste (SOUR) Shooter, 7 damage, burn or freeze rate (medium speed),18k,(clip size of 4)

Location: Gun Upgrades
RayGun, Machine Gun deals 4 damage,automatic (Does NOT shoot laser XD)23k(clip size of 22)
Tank,14 damage, VERY VERY VERY slow,500k

Location: Loki hats
Gangster Gun, 7 damage, medium speed,(spinning gun)13k(clip size of 15)

Location: Events House
Gamers Sword, 10 damage,medium speed, knock back, special moves: healing, and jumping high to smash sword on the ground, 125 ec

I'll give more ideas later and I know this may suck but it's u to chose XD ._. Sorry if I suck