If a player dies, they lose all progress and the game is reset with a new, randomly-generated level layout, spawn position, and inventory.

To emphasize understanding of the firearm, the player's handgun starts in a random condition; the magazine or chamber may be loaded or empty, the slide may be locked or unlocked, and the safety may be on or off.

In relation to firearm safety, the player can also cause Negligent Discharges, depending on whether they holstered carefully, or carelessly, which can have consequences ranging from unintentionally shooting their leg, or in worst case scenarios, instant death.

(depending on the player's handgun) The additions mentioned before-hand are also explained in-game by the audio tapes (now narrated by Leo Wiggins).

The player is tasked with locating, and listening to (or optionally, destroying) 3-5 audio tapes (depending on their rank) in a procedurally generated world.

All guns from previous games, including the Smith & Wesson Model 10 revolver, the Colt M1911, and the select-fire Glock 17 make a return.

This can be prevented by unloading the gun before the player completely loses control and the barrel is turned to the in-game character's face.

Receiver was originally created as part of the 7 Day FPS Challenge in 2012, built on "gun handling mechanics, randomized levels, and unordered storytelling.

[6] The first content update for Receiver was released on September 3, 2012, and added a flashlight, a Smith & Wesson Model 10 revolver, and a Glock 17, among other features.