"Doom Canyon" is the 14th Mission in Worms 4: Mayhem and Worms: Ultimate Mayhem. The Mission is quite similar to "A Leek in the Vegetable Patch" from Worms 3D. However, instead of 4 Worms against 8 Worms on CPU Easy and 80 health for the opponents and 120 health for the boss, Boggy Pete, You have ONE Worm versus 8 others that are smarter and all are at 100 health.