Complete one of the goals below to unlock the following feature, 
which may be enabled at the weapons or game options screens. 

Function - Goal

Worms bleed when shot - Earn gold medal in Basic Training mode. 
Aqua sheep - Earn gold medal in Super Sheep Racing training mode 
Longbow power-up - Earn gold medal in Euthanasia training mode 
Shotgun power-up - Earn gold medal in Rifle Range training mode 
Grenade power-up - Earn gold medal in Artillery Range training mode 
All weapon crates have sheep - Earn gold medal in Crazy Crates training mode 
Invincibility - Earn an Elite rank in Deathmatch mode 
Laser sight - Complete mission 4 
Jetpack - Complete mission 8 
Fast walk - Complete mission 13 
Invisibility in net games - Complete mission 16 
Low gravity - Complete mission 20 
Indestructible landscape - Complete mission 25 
Super Banana Bomb power-up - Complete mission 33 
Full Wormage game options - Gold medal and Elite rank in all