Automatically combines two identical, lower-level tools (like pickaxes) into a stronger version as soon as they are available. This is a massive time-saver, though in some versions, you may need to manually toggle it off and on to "kickstart" the process.
Since tools lose "health" or durability each time they hit a block, a useful strategy is to in your inventory grid before a drop to ensure you cover as many blocks as possible, maximizing your resource collection before they break. Unlocked Max Level Pickaxe in Merge & Dig! Merge and Dig Hack
A rare talent that can cause tools to be created at one level higher than usual when you merge them. 3. Explosive & Support Skills Unlocked Max Level Pickaxe in Merge & Dig
Equipping specific skills can help you clear difficult "wall" blocks: Explosive & Support Skills Equipping specific skills can
Instead of just merging tools, focus on upgrading which provide permanent gameplay buffs: Gold Rush: Gives a chance for double earnings while mining.