You must have gathered atleast 1,000 cheese, a tribe, and the rank permission: Can load a map (/np @code)
Go to your tribe and use the command: /lua
Copy and paste the Script(Linked above.) into this window, and press submit.

Settings (As listed in the script.)
Changing these will drastically change the gameplay.
By default, its set up to be kinda easy. So you could easily make the game a lot harder, or easier, if you want.
For example:
If you change the air time to 1, it would make the bomb find new targets really fast.
If you change the explosion distance and power, it would make it harder or easier to survive.

*All time based values are in seconds.
The map we will play on.
    G_MAP = "@6263573"
The amount of force an explosion has.
    B_POWER = 50
The distance the explosion will reach.
    B_DISTANCE = 100
The amount of time in the air, before a new player gets the bomb.
    B_AIRTIME = 5
The amount of time a player can hold the bomb, before it explodes.
    B_HELDTIME = 5
The amount of time until the bomb eplxodes.
    B_TIMER = 20
The amount of force it will go, in the left or right direction, when thrown.
    B_XVELOCITY = 4
The amount of force it will go, in the up or down direction, when thrown.
    B_YVELOCITY = -8