I've been running through Doom Complete (every OG Doom wad and their expansions) with Doom RLA and Monsters, Damage Numbers, Legendoom Lite, and HD textures. I'm at the 4th episode so far. After the Spider Mastermind in Inferno, I was nearly out of ammo and life. The first two levels in Thy Flesh Consumed start off with no health packs, no ammo, and hordes of bad guys up in your shit. Even with a Quad Shotgun and Uzi I was making every shot count. Picking the recon guy lets me double jump so I get to "cheat" through some levels. I call that a roguelike feature. I'm thinking by the time I get to TNT I will be begging for a class change though. I used some cybernetic armor that I can't take off and I keep running into high level armors. It's mainly hard due to the new monsters and the experience of going into each level one after another, as opposed to playing each episode individually.