Tiberium has been found in EA’s The Sims 3: World Adventures expansion pack, a funny and cool little easter egg for fans of the Command & Conquer series.
You can find it by breaking Moon Rocks on the Martial Arts Board Breaker, this will let you get them easily. Although you can also buy them from the Relic Merchant in Egypt. After a day it will grow from the mere $89 piece of rock to a “Large Spire Cut Tiberium” that is worth $30,000!
However be careful, hold it for too long in your inventory and you can get “Tiberium Poisoning”, which will make your Sim vomit and feel sick, in addition to slicing 20 points off your mood. As well as eventually being fatal.
You can also put the Large Spire Cut Tiberium rock on your lawn, and in time it will spawn more Tiberium.
Here is a video showing the item.
I wonder if Kane is hiding out somewhere in The Sims 3: World Adventures . . .