🏆 DOC Tools Suite — Derby Owners Club, decoded

New here? Start in Play & Plan — nothing to install or download, just tools that help you win and understand the game. Going deeper? Theorycraft has the full predictors. Want to edit the game itself? Mod & Inspect and Cabinet & Preserve work on your own ROM / card / save files. Everything runs locally in your browser; nothing is uploaded.
🎮 Play & Planfor players
📊 Theorycraftfor min-maxers
🔧 Mod & Inspectfor tinkerers
🏛️ Cabinet & Preservefor operators
No files needed. Type your horse's stats (or load its card) and get straight answers.

🔮 The Hidden Rules

The mechanics the game never tells you — breeding's favorable pairs, why externals beat internals, the bond multipliers, condition breakpoints. Decoded from the ROM, with "what to do" for each.

read this first

🍎 Feeding Advisor

"I want more Speed/Stamina/Sharp" → which foods to feed, ranked by gain, plus a feeding-plan total.

no files

🏁 Race Simulator

Enter your horse (or load its .card) → its best distance, finishing position vs a real field, and win odds.

no files / optional card

🧬 Foal Predictor

Pick two parents (or load a parent's .card) → the foal you'll likely get: stat ranges, sex, running style.

no files / optional card

🐉 Scout Opponents

Browse every CPU horse you might race — stats, running style, and a power ranking to spot soft fields.

no files

💕 Bond & Personality

Load your horse's .card → its personality, and which post-race response builds the bond vs backfires (decoded interaction table).

no files / optional card