Tool Defense

HYS Games

About this game

Recruit. Merge. Defend. Mine.

Dinosaurs are coming — and your wall is the last line of defense!
In this fast-paced merge defense game, place your bone tools strategically to survive wave after wave of dino attacks. Mine ribcages for resources, merge tools to power up, and choose carefully: will your bones mine or fight?
🦴 Merge Bones
Combine tools to unlock stronger versions — from basic bones to powerful prehistoric gear!

🦖 Stop the Dino Invasion
Place tools in the combat zone to fight off ruthless dinosaurs before they smash your wall.

💰 Mine for More
Set tools in the mining zone to dig through ribcages and earn currency to buy even more bones.

🔥 Strategy Meets Chaos
Switch between mining and defense, manage tool placement, and survive endless waves of enemies.

How long can your wall hold?

What’s new

Merge bones, mine ribcages, and defend your wall from raging dinosaurs!