Game 18 64 Units

MMC5 Mastery

Advanced mapper techniques using Nintendo's most powerful NES mapper.

Coming Soon

MMC5 Mastery is currently in development. Check back soon!

What You’ll Build

Advanced mapper game. The MMC5 is Nintendo’s most powerful NES mapper — used in Castlevania III (US version) and Just Breed. Push beyond standard NES limitations with extended graphics and audio capabilities.

This post-capstone game teaches the MMC5’s unique features: extended nametables, 8×8 attribute mode for finer colour control, an extra sound channel, and split-screen effects. Techniques for the most ambitious homebrew projects.

Skills You’ll Master

  • MMC5 mapper programming — Nintendo’s advanced mapper
  • Extended nametables — additional background layers
  • 8×8 attribute mode — per-tile colour palettes
  • Extra sound channel — expanded audio
  • Split-screen effects — status bar techniques
  • Advanced homebrew techniques — pushing NES limits

Prerequisites

Complete Game 17: VRC6 Symphony first.

Time Investment

64 units at 60-90 minutes each. Roughly 64-96 hours total.

Unit Roadmap

0 of 64 units available
Phase 1

Foundation

Build the core game mechanics

Units 1–16 ~16-24 hours Coming Soon
Unit 1 · Unit 2 · Unit 3 · Unit 4 · Unit 5 · Unit 6 · Unit 7 · Unit 8 · Unit 9 · Unit 10 · Unit 11 · Unit 12 · Unit 13 · Unit 14 · Unit 15 · Unit 16
Phase 2

Expansion

Add features and content

Units 17–32 ~16-24 hours Coming Soon
Unit 17 · Unit 18 · Unit 19 · Unit 20 · Unit 21 · Unit 22 · Unit 23 · Unit 24 · Unit 25 · Unit 26 · Unit 27 · Unit 28 · Unit 29 · Unit 30 · Unit 31 · Unit 32
Phase 3

Polish

Visual effects and menus

Units 33–48 ~16-24 hours Coming Soon
Unit 33 · Unit 34 · Unit 35 · Unit 36 · Unit 37 · Unit 38 · Unit 39 · Unit 40 · Unit 41 · Unit 42 · Unit 43 · Unit 44 · Unit 45 · Unit 46 · Unit 47 · Unit 48
Phase 4

Mastery

Optimisation and distribution

Units 49–64 ~16-24 hours Coming Soon
Unit 49 · Unit 50 · Unit 51 · Unit 52 · Unit 53 · Unit 54 · Unit 55 · Unit 56 · Unit 57 · Unit 58 · Unit 59 · Unit 60 · Unit 61 · Unit 62 · Unit 63 · Unit 64