Doomsday Trainer

Can you figure out that March 15, 1937 was a Monday — in under 5 seconds? Doomsday Trainer — Name Any Day in Your Head teaches you the mental calendar calculation techniques used by competitive memory athletes and calendar savants. Start slow, build the skill, then race the clock. 🎮 THE GAME Every round, you're shown a random date from across the centuries. Your goal: name the correct day of the week as fast as possible. • Build Your Streak: Answer correctly and your streak grows. Answer wrong and it's over. • Beat the Clock: A countdown timer keeps the pressure on, getting tighter the longer your streak runs. Build the longest streak. Set the fastest average speed. Climb the global rankings. 🧠 FIVE METHODS TO MASTER Not everyone thinks the same way. Doomsday Trainer teaches five proven calculation techniques, each with its own step-by-step training mode: • Doomsday: The classic anchor-date method used by world memory champions. • Wollin Shortcut: A two-part system using vectorized Doomsday codes and Doomyear sequences for lightning-fast results. • Odd + 11: An elegant carry-free approach with no multiplication. • Mod 28: Subtract chunks of 28, count leaps, done. • Conway: Dozens, remainder, and leaps in one smooth pass. Training mode walks you through every calculation step-by-step, featuring progressive hints, a full reference Databank, and a built-in Wollin lookup table. 🎯 FOCUSED DRILLS Isolate the parts that slow you down. Eight targeted drill modes sharpen the individual skills that feed into every calculation: • Month Anchors • Century Anchors • Year Offset • Modulo 7 • Add / Subtract • Times Tables • The Wollin Shortcut • Leap Year Detection Track your progress across every drill category with detailed accuracy breakdowns and improvement charts. ⚔️ BATTLE REAL OPPONENTS Challenge players around the world in real-time 1v1 Best-of-5 matches. • Fair Competition: Both players receive identical dates (same seed, same sequence), so the result is pure speed and accuracy. • Ghost Matchmaking: No live opponent online? The game instantly matches you with a ghost recording of a real player from your skill range. • Rank Up: Earn Elo rating and climb the competitive 1v1 leaderboard. 🌍 GLOBAL LEADERBOARDS Compete for the top of two global rankings. Your scores sync automatically so you can see exactly where you stand worldwide. • Longest Streak: How many correct answers in a row can you get? • Fastest Speed: What's your best average over 5 consecutive answers? 📈 TRACK YOUR PROGRESS • Speed and accuracy charts for the past 7 days, 30 days, or full year. • Personal best streak and speed records. • Training and drill completion history. • Full game-by-game breakdown. ✨ FEATURES • Multiple visual themes to customize your experience. • Adjustable font size and layout options. • Full coverage of edge cases, including leap year handling and century shifts. Whether you're a memory sports competitor, a maths enthusiast, or just someone who wants a genuinely unusual party trick — Doomsday Trainer will get you there.