The End Is Nigh is a platform action-adventure video game developed by Edmund McMillen and Tyler Glaiel.

Ports of the game were released on August 15, 2017, on macOS, December 12, 2017, for Linux and Nintendo Switch and on April 30, 2019, for PlayStation 4.

[a] On the player's death, the game-within-a-game crashes and is corrupted to the point of inoperability, which Ash is unable to remedy by blowing on its cartridge's edge connectors.

In the Nevermore ending, Ash jumps into the orb and traverses a new region, finding a glitched version of his game cartridge.

[5] The End Is Nigh began development as the product of a game jam between Edmund McMillen and Tyler Glaiel in December 2016.

While developing Øuroboros, they took small breaks to prototype other ideas and, in December 2016, both committed to do a full game jam to explore these concepts.

He used the theme of perseverance as a core element of the game, helping him to resolve his own personal concerns, and as a result, McMillen felt that The End is Nigh was his best work.