About Penumbra: Requiem

Takes off where Black Plague left off and throws Phillip in a bizarre series of physics puzzles. Wallows in the atmosphere of the Penumbra series, but fails to take it farther. The beginning will be somewhat confusing to those who haven't played the Penumbra games and some controls may be difficult to figure out since there's no tutorial, but effectively you don't need to know what happened in the earlier games as this isn't exactly part of the overall story (spin-off, so to say). The game's almost as unexplainable to those familiar with the older games, so any new players should feel confident that much of it would remain as confusing and strange even if they did play them, and play it without caring. But then, there are other more interesting puzzle games out there (though probably none with the eerie atmosphere this one takes from the Penumbra series).

Anyway, the controls are fairly straightforward as seen in the controls menu, but the only bit missing is that throwing objects happens by pressing inspect button (default: mouse1) while holding them (default: mouse0). The rest can be trivially figured out.