The Powder Toy

You used potassium ferrocyanide, which is a non-toxic cyanide compound, so nothing happened.   I poisoned the next user with both hydrogen cyanide and potassium cyanide in equal amounts of one...

Your aim was off, so you did not hit me. I then shoot you with a nuclear laser before extracting the radioactive material from the knife.   I trap the next user in an indestructable tank filled ...

Is the positronium supposed to be a stationary particle?

Here's my entry:   1236178View Save 1236178

Your shuriken was made of gallium, which melted before you could throw it.   I slice the next user's body apart with a blade made of enriched uranium.

Nuclear war (A far worse type of war.)

Before you could detonate it, the wires connected to it corrode thanks to stomach acids, thus preventing the C-4 from detonating.   I fill the next user's stomach with a mixture of matter a...

However, the waste is solid Uranium-238, so I just walk off of it unharmed by the radioactivity.   I throw the next user into a lake of molten plutonium that is three thousand degrees Celsius,...

I am a particle of EQVE. To get out of the wall, I just glitch through a corner.   The next user is a particle of PHOT, with a life of 1.

TAPE -> TAKE