Trilobyte is an American video game developer that was founded in Medford, Oregon by Graeme Devine and Rob Landeros in December 1990.  They created the adventure games The 7th Guest and The 11th Hour.

Adventure Games by Trilobyte:
Sixty years after The 7th Guest, a reporter enters Stauf's mansion after his producer disappears during a murder investigation.

Enter Stauf's mansion and solve the riddles of the diabolical machinations inside.