Games by Green Hill Studios Gun Commando PS Mobile Ripstone / Green Hill Studios 23rd Jan 2013 (UK/EU)23rd Jan 2013 (NA) Knytt Underground PS3 Ripstone / Green Hill Studios 18th Dec 2012 (NA)21st Dec 2012 (UK/EU) Knytt Underground PS Vita Ripstone / Green Hill Studios 18th Dec 2012 (NA)
