Crashtastic is a physics game wherein you build vehicles to help a test robot complete various objectives. After creating a vehicle using the available materials, you can mount rockets to any point on the vehicle for propulsion. Objectives range from the deceptively simple to the horrifically complex, with only your imagination and skills to set the limit.
SkyChart III is a planetarium and telescope control program that shows the sky from any location, past or future, on Earth or beyond.
