Pony Island is a video game developed and published by Daniel Mullins. As a metafictional game, the game has the player interact with what appears to be an old arcade cabinet game called "Pony Island". The player soon discovers the game is corrupted by a satanic being which is trying to claim the player's soul for itself. The player is aided by the soul of a previous player who helps the player access "Pony Island"'s internal programming to get around the traps left by Satan and save their soul.