Horror Clicker: Evolution mixes simple clicking with monster battles and creepy transformations. You start with Verity, a strange little creature that does not look too threatening. Keep clicking, earn brains, upgrade your power, and watch the monster change as you fill its evolution bar.
Each monster has 5 evolution stages, so there is always another form to unlock. Verity starts off looking almost cute, but the later stages become much darker and more disturbing. Once you finish an evolution, a new enemy appears with more health and takes more clicks to defeat.
The main goal of Horror Clicker: Evolution is easy to understand: click the monster, deal damage, collect brains, and use those brains to make your next fight easier. Your click damage can be upgraded in the shop, while auto-attack lets you keep dealing damage without tapping every second.
As the enemies get stronger, choosing when to spend your brains becomes important. A few useful upgrades can save a lot of clicking during the tougher battles. You can also work toward collecting every monster and completing all of their evolution stages.

You mainly use your mouse or tap the screen to attack. Start by clicking the current monster until its health runs out, then collect the brains it drops. The evolution bar fills as you fight, unlocking the next form when it reaches the required amount.
The fun part of Horror Clicker: Evolution is seeing how far each creature changes. What begins as a harmless-looking monster can turn into something much more unsettling after several upgrades.
The final challenge is a boss with a health regeneration ability, so simply clicking faster may not be enough. Keep improving your click power, use your upgrades wisely, and build a complete collection of horror monsters.