The Powder Toy

Kerbal Space Program (Whale songs, in SPACE!?!)

It's actually a sidewalk painting of a lava pool.   The next user is stranded on the Venus-like planet Eve in Kerbal Space Program because their rocket crashed on the surface.

That is true, although some noble gasses will react with other elements when ionized. (I'm thinking particularly of xenon reacting with fluorine.)

Shouldn't POSP also be attracted to NEGP and vice-versa?

I fired a small black hole at Chuck Norris at the exact same time, so the black hole consumes Chuck Norris's bullet, before eating Chuck Norris himself and then evaporating.   I shoot the n...

Fortunately, I have a thermal camera, so I simply walk around my radioactive house looking for the heat signature of my plutonium cat.   The next user is on Pluto when they realize that they acc...

However, I was standing on the other side of an iron fence. I flip a switch, which then electrifies the fence just before the pig hit it, killing the pig.   The next user was the pig. They are n...

Minecraft and Kerbal Space Program.

Since I can't get that much electricity, I found another energy source: nuclear fission.   The next user cannot build their nuke because I "borrowed" their uranium-235 for my nu...

I suddeny make an antimatter clone of myself and then teleport 50km away. The antimatter clone then annihilates on contact with air, instantly killing RAYZR.   The next user was RAYZR, but is no...