iPad puzzle game - recommendations please!

[Podie]

I'm addicted, but I seem to be working my way through them too quickly

So far I've completed:

• Tiny Bang Story
• Machinarium
• The Room & Epilogue
• The Room 2
• Forever Lost 1 & 2

Didn't get on with Myst at all... but any recommendations similar to the above?

TIA

[Turn7]

Mrs.T7 spends a lot of time on Secret Society/hidden mystery.

Ive no idea if thats the sort of thing you will like though.

[Podie]

Will have a nose on the App Store - thanks.