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Donkey Kong 3 Free Play and High Score Save Kit

Product information "Donkey Kong 3 Free Play and High Score Save Kit"

The HighScoreSaves Donkey Kong 3 Free Play and High Score Save Kit upgrades a documented compatible original Nintendo Donkey Kong 3 arcade PCB with Free Play, permanent Top 5 score and initials saving, adjustable attract sounds, separate lives-based score tables, menu-driven settings, Backup and Restore, ROM Saver, and optional Wi-Fi leaderboard support while retaining the original Nintendo hardware and Donkey Kong 3 gameplay.

Donkey Kong 3 Compatibility & Requirements

Compatible PCB: Documented compatible original Nintendo Donkey Kong 3 arcade PCB
CPU: Z80
CPU Requirement: Compatible Z80 processor required; transfer the original socketed Z80 or select a compatible processor option
Socket: Compatible 40-pin Z80 socket required
Soldering: Not required when the original Z80 location is already socketed
Installation Location: Documented Z80 processor position on the original Donkey Kong 3 PCB
ROM Saver: Optional; remove only the designated original program ROMs identified in the installation guide
Cabinet Support: Documented upright and cocktail configurations

Installation: Plug-in installation when the original Z80 is already socketed. Remove the original Z80 from the Nintendo Donkey Kong 3 PCB, install it on the HighScoreSaves daughterboard, and install the assembled kit into the original Z80 socket. If the Z80 is soldered directly to the PCB, a qualified arcade technician must install a compatible 40-pin socket before the kit can be used.

Donkey Kong 3 Settings Menu Video

See how to enter the Donkey Kong 3 settings menu and review the available options and controls.

What This Kit Adds

Free Play & Coin Operation Play Donkey Kong 3 without coins while retaining normal coin and token operation when desired.
Top 5 Scores & Initials Permanently stores the five highest supported scores and player initials using battery-free serial EEPROM storage.
Separate Score Tables Maintains independent supported high score tables for two-, three-, four-, and five-life settings.
Adjustable Attract Sounds Select attract sounds during 25%, 50%, or 100% of supported attract-mode rotations.
On-Screen Settings Configure supported game and DIP-switch options directly through the HighScoreSaves kit menu.
No Separate Service Switch Required Access supported HighScoreSaves settings without adding a separate service or test switch.
Score Backup & Restore Back up the current supported high score table and restore it later when needed.
Attract-Screen & Logo Options Helps reduce prolonged display of supported static attract screens and allows selection of a supported original-manufacturer or HighScoreSaves logo.
ROM Saver Supports optional removal of designated original program ROMs as documented in the installation guide.

What's Included

  • 1 × HighScoreSaves Z80 daughter PCB

Z80 processor required: transfer your current compatible Z80 to the kit or select a compatible processor option when ordering.

Standard vs. Wi-Fi Kit

Standard Kit

Permanently saves supported scores, initials, settings, and configuration data locally on the installed Donkey Kong 3 kit. No internet connection is required.

Wi-Fi Enabled Kit

Includes the same local features and can also submit qualifying completed scores to the HighScoreSaves online leaderboard after initials are entered.

Wi-Fi can be disabled without affecting local score saving, Free Play, settings, attract sounds, Backup and Restore, ROM Saver operation, or normal Donkey Kong 3 gameplay. Wi-Fi-enabled kits use compatible 2.4 GHz Wi-Fi networks.

Donkey Kong 3 Kit FAQ

How do I enter the Donkey Kong 3 settings menu?

Hold Player 1 Start for approximately 4 seconds while turning on the cabinet, then follow the instructions shown on the screen. The settings menu video above shows the available options and controls.

How are Donkey Kong 3 high scores organized?

The kit permanently stores the Top 5 supported scores and player initials. Independent supported score tables are maintained for two-, three-, four-, and five-life settings.

Is this the HighScoreSaves or Braze Donkey Kong 3 kit?

This product is the HighScoreSaves Donkey Kong 3 kit. It adds menu-driven settings, adjustable attract sounds, separate score tables, Backup and Restore, ROM Saver, and optional Wi-Fi. A separate Braze Donkey Kong 3 kit is also available.

Is a separate service or test switch required?

No. Supported game and operator settings are accessed through the HighScoreSaves on-screen kit menu.

Will the Wi-Fi kit still save scores if Wi-Fi is disabled?

Yes. Local score and initials saving, Free Play, settings, attract sounds, Backup and Restore, ROM Saver, and normal gameplay continue to work when Wi-Fi is disabled or unavailable.

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1 review

October 19, 2025 3:10 PM

Review with rating of 5 out of 5 stars

Donkey Kong 3 Kit

Great addition to any DK3 for free play, high score saves, and attract mode/sounds! Another great kit from HSS!