(There's no video for Psych Out yet. Please contribute to MR and add a video now!)
Psych is a nice demo with a chiptune playing in the background.
Psych.sit (502.78 KiB / 514.85 KB)
Psych / compressed w/ Stuffit
This may not run properly in emulators and based on the creation date, should run fine under Mac OS 7.x
Emulating this? It should run fine under: Basilisk II