AFAIK, the differences so far are: -Different items -Different maps -....That's about it. Core mechanics are the same.
Well then you’re bad at identifying differences. -Permanent Armor -Potions -Fireballs -Upgrades -Traps -Permanent Tools -More ways to Defend (Glass) -Unique Leveling System -Final (Elimination) Kills -Winstreaks -More minor changes