Katana Upgrade
Upgrade your katana and create the ultimate blade!
AVAILABLE
About Katana Upgrade
Upgrade your katana and create the ultimate blade! Test your luck, strengthen your sword, and see how far you can go. One failed upgrade could destroy your progress!
How to Play
- Click the Upgrade button to strengthen your katana.
- Each successful upgrade increases your katana's level, but failed upgrades can destroy your sword.
Controls
- Mouse Click