Ionis Software International About Roles Name : Ionis Software International Software Role Publisher Type Year Olli and Lissa (Unknown) Firebird Software Ltd Arcade: Platform 1986 Halloween (Unknown) Silverbird Software Ltd Arcade: Platform 1987 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.