The native file format for software on the TIC-80 fantasy computer.  Can be accessed via the host file system (Windows, Mac, Linux) via the '[t[t monofont]folder'[/t] command or downloaded from the browser version via the '[t[t monofont]get [cartridge.tic]'[/t] command.

For game jams such as '[l[https://battleofthebits.com/arena/Battle/3861/Game+Jam+%233/[this one], this file format must be used when submitting.