There have been several noteworthy additions as of today including:
Lost Horizon
Lost Horizon 2
Secret Files: Tunguska
Secret Files: Sam Peters
Secret Files: Purita Cordis
Secret Files 3
And they are all on sale for the next 72 hours.
You can buy them individually, or you can buy the entire collection
here - it's a steal at this sale price, which is only for the next few days.