Building a Multiplayer Game System: Yacht and Farkle
How I built a real-time multiplayer game platform in the browser — QR-code lobby, shared game table, mobile player views, and PartyKit for live sync. Starting with Yacht and Farkle.
I'm Larry (Danna) Collins Jr.
Software developer (C#, SQL, .NET). Live bluegrass musician. Vintage computer collector. I build things that are useful, play things that are loud, and collect things that are old.
Featured tools
Dice Games
Multiplayer Yacht and Farkle in the browser. Host a session, share a QR code, and play from any device in real time.
Play now6502 Debugger
Write 6502 assembly in the browser and watch it run. Full assembler, step execution, live registers and flags, hex memory inspector. C64 compatible.
Open DebuggerPersonal Kanban
Drag-and-drop cards across To Do, WIP, and Done. Multiple boards, editable columns, and JSON export.
Open BoardRecent posts
All posts →Multiplayer Games: Bug Fixes, Chat, and Help
A second pass on the Yacht/Farkle multiplayer system — fixing Farkle's scoring engine completely, adding player chat, game rules help, and a table-controlled early game over.
New Tool: 6502 Debugger
Built a browser-based 6502/6510 assembler and live debugger — all 56 opcodes, step execution, live registers and flags, and a hex memory inspector. No install needed.
Tools
Interactive web demos I use myself. SQL helpers, regex testers, games, and more.
Tips
Pro tips in C#, SQL, JavaScript, and 6502 assembly. Stack Overflow-style, searchable by tag.
Vintage
My Commodore 64 and vintage computer collection. Hardware history, personal notes, growing 6502 projects.
Music
Live bluegrass with friends. AI-assisted songwriting with Suno. Videos and tracks.