IGN have uploaded a recording of the Kingdom Hearts HD 2.5 ReMIX demo at Tokyo Game Show 2014. As we previously reported, this is in fact a new demo. It features gameplay from the Kingdom Hearts II Final Mix portion of the demo and covers Cavern of Remembrance and the Demyx boss battle. You can view it below.

Update: IGN have uploaded more gameplay, this one shows more footage of Hollow Bastion including summoning Genie. You can view it all below.