Jeff Calder About Roles Name : Jeff Calder Software Role Publisher Type Year Sport of Kings (Unknown) Mastertronic Added Dimension Gambling Games 1986 Switchblade (Unknown) Gremlin Graphics Software Ltd Arcade: Platform 1991 Stryker - In the Crypts of Trogan (Unknown) Code Masters Ltd Arcade: Adventure 1992 Change Request You can request changes or additions here. You can upload files. All change requests are actioned as quickly as possible and you will be informed of the result. Details Files Your Name * Email * Details Your browser doesn't have Flash, Silverlight or HTML5 support. Submit Thank you for your change request. We will respond as soon as possible.