Good map!
I'm glad that someone is looking out(?) for the potato computer users, but if you want to make a hard map, keep in mind that you can always just add a "hard" tag (and make sure to playtest obviously).
If this map gets motw, then this map would probably get popular- which is nice.
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-Throwing stars and the knives/sledgehammer can really make the level a lot easier (Sledge can fix all your undead problems), thankfully the weapon placement is really good. They're good enough so that they're properly seperated and blocked by proper enemies.

-Level design/layout kind of reminds me of Nintee's and Fry's levels. Decorations are less than theirs, but that's alright- I personally like official-looking maps more (and Nintee's and Fry's lag my pc).

-Keep in mind that the most lag-inducing... "things" in the game are actually the lights and the size of the map (you can change the dimness, but I'm not sure if that helps much)- maybe that can help you in the future?