Mr. Do Free Play and High Score Save Kits
Download Mr. Do Install Guide (PDF)
Upgrade Your Mr. Do Arcade Experience
Bring modern convenience to your original Mr. Do arcade hardware with our collection of Mr. Do Free Play and High Score Save Kits. These plug-and-play upgrades add reliable high score saving, Free Play functionality, and an on-screen settings menu while preserving the classic maze chase gameplay.
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Mr Do Free Play and High Score Save Kit
Customize Your Mr Do Free Play and High Score Save Kit Build your kit exactly how you want it. Choose a Wi-Fi Enabled Kit or a Standard Save Kit. You can also add a processor and/or a 40-pin socket—optional but recommended for easy installation. Learn More About This Kit Click a button to view details, tips, or the installation guide. Main Features Easy install: No soldering, board modifications, or special wiring—plug in and go. Save your scores forever: Uses a serial EEPROM (not failure-prone NVRAM or batteries). High Score Save: Stores the Top 10 scores. ROM revisions: Choose ORIGINAL ROMs or the UPDATED speed-hack for faster Mr Do gameplay. Attract sounds: Enable at 25%, 50%, or 100% of attract-screen rotations. Free Play: Start games without coins or opening the coin door. Coin Up: Coins/tokens still supported if desired. Attract mode: Reduce screen burn—no more static screens. Menu-driven DIP settings: Change settings on-screen—no cabinet pull-out. ROM Saver: Optionally remove original program ROMs to save power. Cabinet support: Works in upright or cocktail cabinets. Additional Features Backup & restore: Back up high scores and restore later—ideal before/after parties. Separate score tables: Different high-score saves for chosen lives (2, 3, or 4). Reset button: Restart a game without powering off (enable in menu). NEW RAM test: Hold Player 1 Action while powering up to run a RAM test. Important Installation Notes Ensure your Z80 is socketed. If not, install a 40-pin socket for the kit to work. Read the installation guide before installing — Mr. Do Installation Guide (PDF) . FAQ How many high scores are saved? The kit saves the Top 10 scores. Can I use both ROM revisions? Yes. You can choose between the ORIGINAL ROMs and the speed-hack version for faster gameplay. Does it support Free Play and coin operation? Yes. You can enable Free Play or keep Coin Up active. What is the Backup & Restore feature? You can back up high scores before a party or event, then restore them afterward. How do I run the RAM test? Hold the Player 1 Action button while powering up to run a built-in RAM test. What is Stealth Mode? Stealth Mode makes the kit boot up looking like the stock/original hardware. Which cabinets are supported? This kit works in both upright and cocktail cabinets. Where can I download the installation guide? Download it here: Mr. Do Installation Guide (PDF) . Resources Mr. Do Free Play and High Score Save Kit — Installation Guide (PDF) HighScoreSaves YouTube Channel — Installation Tips HighScoreSaves Facebook Page HighScoreSaves eBay Store
Details and Benefits
The Mr. Do Free Play and High Score Save Kit is engineered for original arcade hardware to address common issues such as lost high scores, unreliable resets, and limited configuration options. This upgrade brings modern reliability and convenience while preserving the classic Mr. Do maze chase arcade gameplay.
What This Kit Adds
- Free Play support — Enable coin-free operation while still supporting traditional coin play
- Reliable high score saving — Permanent score storage using non-volatile memory
- On-screen control menu — Adjust settings without opening the cabinet
- Monitor-friendly attract behavior — Helps reduce static attract screen burn-in
- Cabinet compatibility — Supports Upright arcade cabinets
Advanced Features
- High score backup and restore — Save and reload score data as needed
- Separate score tables — Independent score tables based on configuration settings
- Optional Wi-Fi support — Upload and sync high scores online
Important Installation Notes
This kit requires a compatible socketed CPU. Always review the installation guide prior to installation to ensure correct setup and reliable operation.
Optional Wi-Fi enabled versions allow scores to be uploaded online and synced to your personal player page in addition to local high score saving on the PCB.