v1.0.0 — Initial Release

Highlights

🎉 Yu-Gi-Oh! LOTD LE Save Editor v1.0.0

Initial public release!

Yu-Gi-Oh! LOTD LE Save Editor is a native Windows application for viewing and editing save files from Yu-Gi-Oh! Legacy of the Duelist: Link Evolution. It reads and writes the game's .dat save format directly, allowing you to safely modify decks and save data without using in-game menus.

Highlights

🃏 Complete Deck Editor

• Browse all deck slots in one view
• Rename, copy, swap, and clear decks
• Import and export .ydk files
• Export every populated deck at once
• Full drag-and-drop deck editing
• Advanced card search and filtering
• Live deck statistics
• Deck legality checking

💾 Save Editor

Edit nearly every major part of the save file, including:

• Duel Points
• Campaign completion
• Shop Packs
• Battle Packs
• Tutorials
• Duelist avatars
• Lifetime statistics
• Card collection

🔍 Complete Card Database

• Search every card in the game
• Advanced filters
• Banlist information
• Shop Pack locations
• Duelist Challenge appearances
• Live ownership counts
• Online or offline card artwork

🛡 Quality of Life

• Unlimited Undo / Redo
• Automatic timestamped backups before every save
• Restore backups directly from the editor
• Drag-and-drop opening of save files
• Keyboard shortcuts
• Configurable offline mode
• Optional image cache with cache warming

Notes

• Built with C#, WPF, and .NET 8
• Supports the native Link Evolution save format
• Save signatures are repaired automatically when saving
• All edits are written directly back to the game's .dat format

Thanks

Special thanks to:

• pixeltris/Lotd for the original save format reverse engineering.
• YGOPRODeck for card data.
• Yugipedia for bundled icon assets.
• The GameFAQs community for Card Shop and Duelist Challenge data.

Thanks to everyone who checks out the project—I hope you find it useful!