# Dr Evil's Math Challenge Game — Sudoku Meets Arithmetic Fun > Arithmetic Sudoku-style number puzzle game with a 1970s disco theme. (iPhone/iPad app by Socially Conscious Software, LLC.) - Source: https://appshunter.io/ios/app/dr-evils-math-challenge-game/id430014867 (this page in markdown: same URL + `.md`) - Developer: [Socially Conscious Software, LLC](https://appshunter.io/developer/302019503) - Category: Games, Entertainment, Board, Puzzle - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 18.0 · 322 MB - Languages: American English - Released: 2011-04-09 - Data updated: 2026-07-17 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/dr-evils-math-challenge-game/id430014867/reviews.md ## What is Dr Evil's Math Challenge Game? Think Sudoku, but with arithmetic and a whole lot of disco. Welcome to Dr Evil's Math Lab. Fill every 3x3 house so all nine cells add up to exactly 10. Sounds simple? Try it with 25 houses on the board and column targets breathing down your neck. Dr Evil's Math Challenge is a number puzzle game wrapped in a 1970s game show theme—complete with a disco funk soundtrack, a theatrical mad-scientist host, and enough groovy style to make your calculator jealous. WHAT'S INCLUDED - Easy, Medium, and Hard difficulty (4, 9, or 16 houses) - Daily challenges with a new puzzle every day - Interactive tutorial hosted by Dr Evil himself - The Gauntlet on Easy: column sum targets that add a second layer of challenge - Game Center leaderboard - Two funky soundtrack tracks - Drag-and-drop or tap-to-place controls - Save and resume your game anytime - Full stats: games played, best times, daily streaks THE GAUNTLET — YOUR NEW OBSESSION This is not just another number puzzle. In Gauntlet mode, every column on the board has a target sum. Houses must still add to 10, AND columns must match their targets. One correct arrangement. Zero room for error. It turns a relaxing puzzle into a genuine brain workout. GO PRO — UNLOCK EVERYTHING - Expert mode: 5x5 grid with 25 houses and 225 cells - Expert daily challenges - The Gauntlet on all difficulties - 14 additional disco funk tracks (16 total) - Advanced stats: streaks, trends, per-difficulty breakdowns - Gauntlet-specific performance tracking - Daily challenge archive: 90 days of past puzzles - Unlimited undo (standard play includes one per game) HOW TO PLAY 1. Tap a number tile in the deck to pick it up 2. Tap an empty cell in any house to place it 3. Fill all nine cells so the house sums to exactly 10 4. Complete every house on the board to win Drag tiles directly onto the board, swap placed tiles, or use the undo button. The interactive tutorial walks you through it in under 90 seconds. FEATURES AT A GLANCE - 4 difficulty levels: Easy, Medium, Hard, Expert - Daily challenges with streak tracking - The Gauntlet: column sum target mode - 16 original disco funk music tracks - 10 Dr Evil character poses and animations - Pinch-to-zoom on larger boards - Universal app: iPhone and iPad Dr Evil is waiting... impatiently. Download now to start your daily brain training and see if you can beat The Gauntlet! ## Key features - Arithmetic number puzzles - Sudoku-like house sums - Column sum targets (Gauntlet mode) - Daily challenges - Multiple difficulty levels - Disco funk soundtrack - Interactive tutorial ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlock Medium | $0.99 | one-time | | Unlock Hard | $0.99 | one-time | | Unlock Pro | $0.99 | one-time | ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/dr-evils-math-challenge-game/id430014867/reviews.md ### 1/5 — Dumb *2012-07-20* Terrible ### 4/5 — Good *2011-04-10* Good game but a high score system is required. ## Frequently asked questions about Dr Evil's Math Challenge Game ### What is Dr Evil's Math Challenge Game? Dr Evil's Math Challenge Game is a number puzzle game that combines Sudoku-like mechanics with arithmetic. Players fill 3x3 houses so all nine cells add up to exactly 10, with additional challenges like column sum targets. ### How do I play Dr Evil's Math Challenge Game? You play by tapping a number tile and then tapping an empty cell to place it. The goal is to fill all cells so each 3x3 house sums to exactly 10. An interactive tutorial hosted by Dr Evil guides you through the process in under 90 seconds. ### What are the difficulty levels in Dr Evil's Math Challenge Game? The game offers four difficulty levels: Easy, Medium, Hard, and Expert. These correspond to boards with 4, 9, 16, or 25 houses respectively, offering a progressive challenge. ### Does Dr Evil's Math Challenge Game have ads? No, Dr Evil's Math Challenge Game does not contain advertisements. It is a free game with optional in-app purchases to unlock additional content and features. ### Can I play Dr Evil's Math Challenge Game offline? The description does not explicitly state whether the game can be played offline. However, features like daily challenges and leaderboards suggest that an internet connection may be required for full functionality. ### What is 'The Gauntlet' mode in Dr Evil's Math Challenge Game? The Gauntlet mode introduces column sum targets in addition to the house sum requirement. This mode adds a significant layer of complexity, turning the puzzle into a more intense brain workout. ### What content is unlocked with the 'Go Pro' in-app purchase? The 'Go Pro' option unlocks Expert mode (5x5 grid), Expert daily challenges, The Gauntlet on all difficulties, 14 additional music tracks, advanced stats, Gauntlet-specific performance tracking, and access to a 90-day daily challenge archive. ### On which devices can I play Dr Evil's Math Challenge Game? Dr Evil's Math Challenge Game is a universal app, meaning it is supported on both iPhone and iPad devices. ## Version history (last 3 releases) ### 2.0 — 2026-03-26 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. ### 1.1 — 2011-04-18 • General improvements. • Game Center Notification Fix. ### 1.0 — 2011-04-09 No release notes. ## More apps by Socially Conscious Software, LLC - [Cellular Automata: Life Sim](https://appshunter.io/ios/app/cellular-automata-life-sim/id317822041) - [Baby Boy Names](https://appshunter.io/ios/app/baby-boy-names/id330105134) - [Baby Names LITE](https://appshunter.io/ios/app/baby-names-lite/id337403469) - [Baby Boy Names LITE](https://appshunter.io/ios/app/baby-boy-names-lite/id337407164) - [Baby Girl Names LITE](https://appshunter.io/ios/app/baby-girl-names-lite/id337407498) - [Simple LED Light](https://appshunter.io/ios/app/simple-led-light/id391205904) All apps by Socially Conscious Software, LLC: https://appshunter.io/developer/302019503 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*