The Event Horizon is a Heavy weapon in Pixel Gun 3D, the blocky mobile first-person shooter, and it was introduced in the game's 22.4.0 update. Players could obtain it from the Event Horizon Lottery, which helped make the weapon recognisable to regular players even before they heard it in action. Its distinctive firing sound has since been clipped and reused in gameplay montages, weapon showcases and fan edits, where a single short blast is enough to signal the weapon without any explanation.