devout portal
A dungeon running mode with procedurally generated rooms, in a massive building, and you start with a pistol with limited ammo or knife, like Battle Talent. You can find better guns, melees and more ammo as you go on. It starts you on one side of a randomly generated map and ends on the other. And make it so you can play with other players
Why it's a good feature
Adds replayabilty, players will be constantly trying to beat their high scores. It's different every time, you get different guns, a different map.
This has been mentioned before but didn't get much attention, so I'm bringing it back
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