On the 4th April 2009, Sonic Games launched their first Platinum Pyramid. Locating the pyramid will prove to be the biggest challenge yet. Players have the chance to win an incredible £10,000.
To enter, players must own both an Isis puzzle and a Ramisis puzzle. The Isis puzzle must be unlocked (with the key number registered on this website), and no gold or silver coin registered against it. Players must also sign up for membership on this website (after initial registration).
This competition is subject to our terms and conditions.
The third and latest puzzle in the Isis Adventure Series (IAS), partly named after and based on the De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) the seminal work on the heliocentric theory of the Renaissance astronomer Nicolaus Copernicus (1473 - 1543).
The Copernisis puzzle provides the third key required to help solve Isis V which will be released in 2015.