When checking the offers for Hidden & Dangerous Bundle, make sure that the key is activated through the DRM of your choice. You will find this information on the game card in the form of a launcher icon. For example, if you want to get Hidden & Dangerous Bundle Steam key and activate it on Steam, pick the shop that has a Steam icon.
I think the default key to switch views is =. You can zoom in the sniper rifle by holding down the second mouse button and moving the mouse forwards or backwards. More options
It is not finished yet, but fully playable. Old addons are not compatible to this mod, because it uses different inventory slots. Install: YOU NEED THE DOWNLOAD VERSION OF HIDDEN AND DANGEROUS DELUXE! (Version 1.51) just rename your data folder in the main directory. Now extract the data folder from the archive to the main directory. finished.Aw kind of sucks that the steam version is bored. If I got it on GOG I'd likely forget that I even own it, as happens with most non-stean platforms (uplay, origin, epic (I can't even think of one epic title I own, yet I have the client.), etc.