Welcome to the Disco Math Lab. Version 2.0 brings massive updates, a brand-new game mode, and a complete UI overhaul. NEW IN THIS VERSION: The Gauntlet A brand-new game mode. Every column has a target sum. Houses must still add to 10, and columns must match their targets. One valid arrangement per puzzle. Included on Easy, unlocks with Pro on all other difficulties. This is the feature that makes Dr Evil's Math Challenge genuinely unique. Expert Difficulty A massive 5x5 grid with 25 houses and 225 cells. The ultimate test of patience and arithmetic. Daily Challenges & Archive A fresh puzzle every day at every difficulty level. Track your streaks, compete on the leaderboard, and browse up to 90 days of past daily challenges to replay them. 16 Original Music Tracks A full disco funk soundtrack composed for the game. Choose your vibe from the music selection page. Two tracks are included; 14 more with Pro. Interactive Tutorial Dr Evil walks you through your first puzzle in under 90 seconds. No reading walls—you learn by playing. Modern Game Board Drag-and-drop tile placement, tap-to-place, tap-to-swap. Pinch-to-zoom on larger boards. Animated tile fly-ins and ghost tile previews during drag. Comprehensive Stats & Game Center Leaderboard support, win rates, daily streaks, per-difficulty breakdowns, and Gauntlet-specific tracking. Save and Resume Leave mid-puzzle and pick up exactly where you left off.