You reach the end of the doodlemonkie arcade.
In the gloom, you see a door, slightly ajar, with a notice pinned to it - 'War Room - Nerds and 9th Level Paladins Only'. Heedless, you venture forth, bracing yourself for what may lurk within...
Thankfully, the room is empty - the only aggression you experience is the funk of poor hygeine that hits your nose as you step inside. You notice the glow of an old portable TV in the corner, connected to an 80's microcomputer on a dirty desk.
The abrupt halt of fractal screams from the TV means a game has just finished loading from tape; curious, you sit at the desk and begin exploring the classic phenomena known simply as 'Tanks'.
Adjusting your seat, you realise that you are in for a long evening...