This time another reason to get as much weapon points has been unlocked - a Combat Meter (or something like that). In simpler words: kill everything that moves (demons).
I had not issues with Challenges - only got blew up by barrels, while trying to blast those Possessed to kingdom come. Glory killing from above - i should use Pad for this game, not keyboard (because i mistake Glory Kill with Use key).
Good thing, that Level Challenges progress persist even when i die, so i have not to repeat them again.
Collectibles? Those were easy, suprisingly.
Only one secret got most trouble, was Rocket Launcher one.
Got suprised that video got copyright (the mild one) in Classic Level Sequence- the song there is "Imps Song" aka Nuclear Plant (E1M2) theme.
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