EmuDevz
A game about building emulators! Implement your own NEEES core in JavaScript, get instant feedback with unit/video tests, build the graphics unit in real time, learn 6502 assembly, debug test ROMs, and have fun with the included homebrew games!
Estimated lifetime revenue
Free-to-play
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate. The player count below is how many people own it, not what they spent.
Est. players
2.9K
people who own it
Reviews
72
Review score
90%
9.0/10
Concurrent players
5
read Sep 17, 2026, 15:00 UTC
Followers
About
About the game
A game about building emulators!
In the year 32767, the world suffered a massive cyber attack which destroyed the entire Internet. Since then, you and an online friend are trying to understand the sparse pieces of documentation about the NEEES, an ancient game console released in 1983. With your programming skills, you'll have to build an emulator that runs those old games, helping preserve video game history.
Key features
Full 🕹️ NEEES emulation guide from scratch, in JavaScript
Interactive 🔨 6502 Assembly tutorial
Implement 🧠 CPU, 🖥️ PPU, and 🔊 APU in any order
Play 👾 homebrew games to unlock ROMs
🧪 Unit tests, video tests, and audio tests are provided
💻 Unix-style shell and code editor
🎶 Original retro-synthwave soundtrack
📃 Included documentation and in-game dictionary
🗣️ Fully localized into English and Spanish
🐞 Powerful debugger with Memory Viewer, Disassembly, Name tables, CHR, Sprites, Palettes, APU Channels, Controllers, and Emulator Logging
🔭 Free mode to use the IDE to develop emulators for other systems!
This game requires programming knowledge. If you can't write code yet, turn back while you still can 😅
Genres
