Main Menu -> System -> Info -> Commit

To access experimental features you will need to enable developer mode. 

To enable, go to the "Commit" Menu and click the encoder 7 times. This will open up the Dev Menu and give you access to experimental developer features.

The Dev Menu

Main Menu -> System -> Dev

Alien Pet

Turns your GammaGotchi into "Allen the Alien" (TIN's mascot/logo).

Moog Filter

A filter based on the Moog Ladder Model.

Overdrive

Add the Overdrive Effect to the notes/chords. Choose the Amount (0-10).

Bitcrush

Add the Bitcrush Effect to the notes/chords. Choose the Depth (0-10).

Wavefold

Add the Wavefold Effect to the notes/chords. Choose the Amount (0-10).

FM Mode

Turns FM synthesis on/off. Use the FM Params menu to change the Ratio (0 - 10) and the Index (0-10).