Propellerheads Reason Easter Egg - Subtractor Has a Screw Loose.

Click and drag up on any of the 4 screws holding the Subtractor synth in the rack.

As you scroll up, you'll see the screw rotate and the shadow below it gets larger. Eventually the screw will tilt down and disappear completely.

You can even leave it "half out" and tilting.

The process is reversible.

Click and drag down to re-insert a missing screw or re-tighten an already loosened screw.