More questions ... Sorry...

[Danny Boy]

Ok i'm am going to make all the questios i think i might need for my Custom story...so here it goes:

how to make quests or momentos and how to finishe them?

how to make diaries whit or whitout voice?

how to put my own sounds and musics ( in a way a can share whit people)?

how to make puzzles... like press a botton to open a door or spin a couple of wheels?

how to make those player's subtitles that appear wend he can't open a door or wend something happens?

[ops almost fergot] how to make flashbacks?

and finnaly how to make "the end" of the custom story whit credits included?

and thats all i need to know to make my custom story please help me out just one more time and i won't bother you guys untill the Amnesia: Fading Memories is finished.