You’ll be stuck on an old, buggy version (like v0.18) while the official game has moved far beyond with better balance and content.
Significant fixes to help the game run smoother during high-level "click storms." Why Avoid "Free Download" Sites? Clicker Heroes 2 Free Download (v0.18)
The v0.18 update was a significant milestone in the game’s Early Access journey. If you are researching this specific version, here are the highlights of what it introduced: You’ll be stuck on an old, buggy version (like v0