Learn JavaScript
49.1%
Quickly learn the JavaScript programming language.
EmuDevz Achievements
42 achievements
Dumper
4.1%
Bring your own ROM.
CPU bugs?
3.5%
Reach an "Invalid opcode" error when using BrokenNEEES CPU.
BOOM
6.3%
Fail more than 50 tests at the same time.
while (true);
3.1%
Hang the emulator.
Read-eval-print loop
11.3%
Open the REPL.
NEEES Inspector
4.4%
Open the debugger.
6502 Wizard
21.8%
Complete all Assembly levels.
Header Parser
9.5%
Finish the Cartridge implementation.
Input Master
7.5%
Finish the Controller implementation.
Interpreter
5.8%
Implement all CPU instructions.
Golden CPU
5.1%
Finish the CPU implementation.
Hello, pixels!
5.2%
Draw something on the screen.
Background Artist
4.0%
Finish the background rendering levels.
Sprite Boss
3.7%
Finish the sprite rendering levels.
Scrolling Expert
3.5%
Finish the background scrolling levels.
Pixel Painter
3.5%
Finish the PPU implementation.
Hello, samples!
3.6%
Make some noise.
Square Producer
3.2%
Finish the Pulse Channel levels.
Triangle Producer
3.2%
Finish the Triangle Channel levels.
Random Drummer
3.1%
Finish the Noise Channel levels.
DJ
3.1%
Finish the DMC Channel levels.
The Full Band
3.1%
Finish the APU implementation.
Ship It
3.1%
Pass the final full emulator test suite.
Cheater
2.4%
Finish Robo-Ninja Climb by using save states.
Ninja
3.0%
Finish Robo-Ninja Climb by either playing it or hacking it, without using save states.
It's a NEEES!
3.0%
Gain full control of the emulator.
Spacegulls
4.6%
Beat Spacegulls.
Nalleland
2.6%
Beat Nalleland.
Jupiter Scope 2
2.6%
Beat Jupiter Scope 2.
Raven's Gate
2.5%
Beat Raven's Gate.
Dizzy Sheep Disaster
2.5%
Beat Dizzy Sheep Disaster.
Heist
2.5%
Beat Heist.
Super Tilt Bro
2.5%
Beat Super Tilt Bro.
Wolf Spirit
2.4%
Beat Wolf Spirit.
Minekart Madness
2.3%
Beat Minekart Madness.
Feline Flood Fiasco
2.4%
Beat Feline Flood Fiasco.
Falling
2.4%
Beat Falling.
From Below
2.4%
Beat From Below.
Tesla Vs Edison
2.3%
Beat Tesla Vs Edison.
Yeah, it finally works!
17.6%
Fail the tests 5 times, then fix them.
Plumber
3.0%
Load the plumber game.