This is the Only Level is a 2009 meta Flash game developed by John Cooney and published by Armor Games.

[1][2][3] The title of the game is a literal description of the game - the whole game takes place in a single level the player has to play over and over again, albeit with several game-changing variations as the game progresses.

[4] The game has received an (unofficial) port to PICO-8.

[5] Cooney also released two sequels to the game, This is the Only Level Too and This is the Only Level 3.

[6] The game was included on a list of "10 Flash Games That Pushed the Limits of the Genre" in a 2021 Screen Rant listicle.