Atronic's multi-level progressive King Kong Cash was named best slot machine Game at the Gaming Awards event in London in January.
Anette Jauch, marketing director at Atronic International, said: "We feel extremely honoured that King Kong Cash has been chosen by the international jury.
"The King Kong Cash linked gaming concept has been very popular with players in the international market and it is a testament to a great product that a panel of gaming experts recognised its potential."