The tower is filled with randomly placed robots and sentry turrets that fire projectiles at the player.

When an enemy is destroyed, blue tokens are produced that the player can pick up to increase their gun's level.

[3][4] Joe Mirabello, the founder and sole member of Terrible Posture Games, began production on Tower of Guns after the collapse of 38 Studios, where he had been working on Project Copernicus, an unreleased massively multiplayer online game based on Kingdoms of Amalur.

A pre-alpha version of the game debuted at IndieCade booth at the 2013 Electronic Entertainment Expo.

[5] The completed build of the game was released on March 4, 2014 through a number of online clients, including Steam, GOG.com, GamersGate and IndieGameStand.