Win and Die
There are three known ways to Win and Die at the same time.
1. Walk into an exit on a active Electro Tile or spike.
2. Walk into an exit as a ghost is entering.
3. Walk into an exit while a Kaboom! is on the other side.
4. Walk into an exit inside a Shadow Stinker.
5. While walking into an exit press the Esc key then select the option "RESTART THIS LEVEL". If you are late pressing the Esc key then you will win but not die. If you are early pressing the Esc key then you will die but not win.
Many more may be discovered.