Pie in the Sky Software started in the late 1980's. The first product was a 3D screensaver for DOS called Innermission. It was a 'TSR' which stood for 'Terminate and Stay Resident' program. It was shareware and cost $5.00.

Add engine Engines
POWER 3D Engine 1.x

POWER 3D Engine 1.x

Commercial licence

The POWER 3D Engine is the engine powering the Pie in the Sky 3D Game Creation System toolkit from the '90s developed by Pie in the Sky Software in 1992-1995...