Sup /v/ i've recently played this game with some friends and alone, and i must say it gave me a NES, SNES game vibe due to the difficulty.
In the game, you're thrown in in these dungeons trying to go as far as you can to beat the game, in the dungeons you'll have to pick up items potions and scrolls that will change your gameplay and statistics, also you can chose between 4 classes and a mutator from a bunch of them, that will change your gameplay. The game is a brutal roguelite in which your character in most circumstances is extremely vulnerable and the game won't lose chanses to insta kill you, so you'll have to explore and fight slowly and with care if you want to preserve health and not die on traps. But overall, beyond the initial frustration, and initially unintuitive shitty controls, the game will charm you and intimidate you with its looks and brutality.