Actually increases round by 4 every level, instead of 1, and you get 4x coins. Read the instructions on the original game for how to play, this will be entirely on the new content. 6 new weapons, obtained in interesting ways and completely superior to weapons in the original game. 2 new enemies, the dark knight, spawning starting on round 21, drops dark coins that heal you slightly and grant 20 coins. Also has a chance to drop a unique weapon. spoilers: sword: crafted when first 4 weapons are toy swords. torch: randomly in stock rounds 21+ hammer: Crafted when first weapon is a sword, 2nd and 3rd are bats, and 4th is a pipe. Blazing Spear: Randomly in stock rounds 61+ poleaxe: Crafted when first weapon is a hammer, and the next 3 are torches. Energy Lance: randomly in stock rounds 101+ Dark Axe Blade: First weapon is Poleaxe, 2nd and 3rd are energy lances, 4th is dark sword. Heals upon kills. Laser: Randomly in stock on rounds 141+. Dark sword: dropped by dark knights. Heals upon kills. Modules, armor module grants health, strength module grants damage, and speed module grants speed. Dropped from dark knights and mages.
https://scratch.mit.edu/projects/947406643/ for this mod on regular speed.