Worms 4: Mayhem

Once unlocked character sets will appear in the shop at a cost of 500 coins each.

This includes every weapon, including the five secret weapons, with unlimited ammunition and no delay (2,500 coins). Unlock all character sets do get this bonus.

In story mode, there is a tower with an enemy called Egg on it. Parachute down to the bottom of that tower where there is a hole. Collect the jewels to get the Easter Egg. Once you complete the level you will be awarded with 1,000 coins.

Dino: Complete All the non-Deathmatch challenges faster than Team17

Wormenstein: Complete all ten Deathmatch challenges faster than Team17

Alien: Complete all twenty five missions

Professor: Complete all twenty five missions in time bonuses

Cyborg: Get all fifteen trophies

In story mode, destroy the silver-colored sports car completely to get an Easter Egg. Once you complete the level you will be awarded with 1,000 coins.

Walk up to the car that looks like the DeLorean from the Back To The Future movies. It should fly off, leaving a flame trail behind. If this does not work, shoot it and it will do the jump to 88 mph. You will receive 1,000 coins at the end of the level.
Lone Star.

For the "Barrel Buster", "Big Blast", "Animal Lover" and "Body Count" Trophies and the damage trophies, create a scheme with just a Sheep and set land object to oil drums. Then, start a multi-player game. Put four human teams in and fill up the sixteen Worms. Then, use the weapon scheme you just made and select landscape. Choose Camelot and type the number code 3651335800 to get a tiny arena. Then on Wormpot choose double damage, super animal weapons and super random weapon. As the sheep is the only weapon in the scheme, the random weapon will always be the sheep. Then, start the game. Fire the sheep and detonate it. The explosion will destroy the entire arena and the barrels, kill all the worms, and do about 5,000 damage (which will give you the big blast). The round will draw and you can repeat. Repeat this until you have killed enough worms, caused enough damage, and destroyed enough barrels to get the other trophies. This will also give you the 3 and 4 Baggers and the Beast Within if you do not already have them.

Go to "Create A Team" under the "Change" menu. If you have an animal skull and night vision goggles, set the animal skull on your worm then press Right or Left until you cannot see the display worm's eyes. Then, get the night vision goggles. It will look a bit like an alien.

Mission and Tutorial maps: Complete the mission/level that uses them.

Hold Until Reworked and Re-Submission maps: Defeat Team17 times in the deathmatches they are used on.

When you start this mission you should be to the right of the big protective screen. If you go forward slightly you should see a platform to your right. Use a Jet Pack to get up there. There should be a weapon crate up there. If you collect this crate you will get 25 Sentry Guns. Use these on a flat piece of ground. Then at your next turn, go close to the Sentry Gun and fire it at an enemy worm. The Sentry Gun should detect this and will fire lots of bullets at the worm you shot. Note: You can only use one Sentry Gun at a time until it is destroyed -- place it carefully. Also, this is not the only other time in the game you can use a Sentry Gun. The other is on the last level, where you only have two of them.

You must protect the professor for fifteen minutes. Use your weapon on the enemy at the last seconds of your turn.