Most basic web-based save editors use outdated decryption methods. BTD6 uses a specific hashing system to verify save integrity. If you manually change a value (like your XP) using a standard text editor or a cheap tool:
Most basic web-based save editors use outdated decryption methods. BTD6 uses a specific hashing system to verify save integrity. If you manually change a value (like your XP) using a standard text editor or a cheap tool: