Operation Z.E.R.O.: OutNumbuh'd!
Web Browser Game
Release date: 9/30/2006 (18 years ago)
Kids Next Door agents everywhere have been transformed into Senior Citizombies! Infiltrate the Moonbase and blast the elderly (zombified) operatives back into childhood (humans)!
Operation Z.E.R.O.: OutNumbuh'd! was developed and published by Cartoon Network Games(1)