It displays sound waves travelling underground. Learn how geologists use sound waves to look for oil under the ground. Experiment yourself. Then try your turn at helping the duck find oil before going broke. Despite the geophysical basis for the game, at easy levels even
grade-school children can play the game. At the hard levels, the game is challenging even for professionals.
• PowerPC Macintosh
• At least 256 colors
• 8 MB of free memory
• MacOS 7.1 or later