Silk Worm

Silk Worm Free Play and High Score Save Kit for Tecmo Arcade PCB Upgrade your original Silk Worm arcade PCB with reliable free play, high score saving, attract sounds, and optional Wi-Fi leaderboard functionality while preserving authentic gameplay and original arcade hardware. Designed specifically for original Tecmo hardware, this plug and play upgrade improves long-term reliability without changing gameplay timing, controls, sound, or the classic arcade experience collectors expect. Original Arcade Hardware • No Emulation • No Gameplay Changes • Designed for Authentic Arcade PCBs View Install Guide Free Play Play without coins while retaining optional coin operation. High Score Saving Saves the Top 10 scores and initials permanently. Attract Sounds Adjustable at 25%, 50%, or 100% of attract rotation. Optional Wi-Fi Upload scores online to global arcade leaderboards. Upgrade Your Silk Worm Arcade Experience Restore and enhance your original Silk Worm arcade machine with a professionally designed Free Play and High Score Save Kit built specifically for authentic Tecmo arcade hardware. Original boards often lose high scores, rely on aging components, or suffer from unstable resets. This upgrade modernizes your PCB while preserving the original gameplay, controls, timing, and arcade feel that made Silk Worm one of the most unique cooperative helicopter and jeep shooters of the arcade era. Unlike multigame systems or reproduction boards, this kit keeps your original arcade PCB intact while improving long-term reliability for collectors, operators, and restoration projects. Available Kit Options Build your kit exactly how you want it. Choose between a Wi-Fi Enabled Kit or a Standard Save Kit. Optional processor and socket upgrades are also available to simplify installation on original hardware. Important Installation Notes Socketed Z80 required: Install a 40-pin socket if your processor is soldered directly to the PCB Read the Rush’n Attack | Green Beret Installation Guide before installation Included Features Easy Installation: No soldering, board modifications, or special wiring required Permanent Score Saving: Uses reliable serial EEPROM instead of batteries or NVRAM High Score Save: Saves the Top 10 scores and initials Copyright Selection: Switch the attract-screen logo between original manufacturer and HighScoreSaves branding Freeplay Mode: No more coins or opening the coin door Coin-Up Support: Continue using coins if desired Attract Sounds: Adjustable at 25%, 50%, or 100% of attract rotation Attract Mode Protection: Helps reduce screen burn by avoiding static screens On-Screen DIP Settings: Menu-driven configuration without pulling the cabinet ROM Saver: Remove original program ROMs while the game runs directly from the save kit Cabinet Compatibility: Works in Upright and Cocktail cabinets Backup and Restore: Save and restore high scores anytime Separate Score Tables: Different high-score tables for 2–4 life settings God Mode: Unlimited lives for practice mode (scores will not save) Flip Screen: Rotate the display 180 degrees Stealth Mode: Access menus by holding Player 1 during power-on Installation Information Installation Difficulty: Easy Soldering Required: No, if CPU is socketed Processor Requirement: Requires a Z80 processor Socketed CPU Required: Install a 40-pin socket if needed Cabinet Compatibility: Upright and Cocktail supported Installation Guide: Download PDF Installation Guide Optional Wi-Fi Features and Online Leaderboards Learn About Wi-Fi Enabled Kits Upgrade to a Wi-Fi Enabled Kit to upload scores online and compete against players around the world, locally within your arcade, or across your own connected cabinet network. Standard kits save scores locally to the PCB, while Wi-Fi kits add automatic online score syncing through the HighScoreSaves global leaderboard platform. View Global Arcade High Scores Silk Worm Free Play and High Score Save Kit FAQ Does this kit require soldering? No. This kit is completely plug-and-play with no board modifications required. How many high scores does it save? The kit permanently saves the Top 10 scores with initials. Can I still use coins if Freeplay is enabled? Yes. Coin-Up support still functions normally if desired. Does this kit support 2 player mode? Yes, but only on coin play and not in Freeplay mode. What is God Mode? God Mode gives unlimited lives for practice and fun. Scores do not save while enabled. Does it support attract sounds? Yes. Attract sounds are adjustable at 25%, 50%, or 100%. Does it work in Cocktail cabinets? Yes. The kit supports both Upright and Cocktail cabinets. What processor is required? A socketed Z80 processor is required. Where can I download the installation guide? Rush’n Attack | Green Beret Installation Guide PDF Designed and supported by HighScoreSaves for arcade collectors, restorers, and original hardware enthusiasts. Resources 1. Silk Worm Free Play and High Score Save Kit — Installation Guide PDF 2. Setup Tips and Configuration Guide 3. HighScoreSaves YouTube Channel 4. HighScoreSaves Facebook Page 5. HighScoreSaves eBay Store