Higher levels have a significantly lower success rate. If an upgrade fails, you still lose the gold and Hashes used in the attempt.
Gold can be earned even while you are offline, making the mines a vital part of your long-term growth. Troubleshooting Common Issues One.Gun.Cat.rar
Bosses are your primary target for progression. Defeating them earns you Hashes , a special currency required for high-tier upgrades that cannot be obtained from regular enemies. Higher levels have a significantly lower success rate