Coin Evolution: Ten Win

Gather ten identical numbered coins in a single line, and they will merge into a single coin marked with the next higher digit. Coins are free to be dragged to any spot, including blank rows or stacks of coins bearing different values. You may spawn extra coins whenever you want. Successfully crafting a number 10 coin completes the level. Your final score will rise the quicker you finish the challenge.

Game features:
- Core merging rule: ten matching coins upgrade to the next number tier
- Fully flexible coin placement with no placement restrictions
- Option to generate new coins at any moment during play
- Win condition: create a coin labeled with the number 10
- Speed-based scoring system for faster puzzle completion
- Relaxed casual merging gameplay with strategic planning