Finish the APU implementation.
Finish the DMC Channel levels.
Finish the Noise Channel levels.
Make some noise.
Finish the Pulse Channel levels.
Finish the Triangle Channel levels.
Complete all Assembly levels.
Finish the Cartridge implementation.
Finish the Controller implementation.
Finish the CPU implementation.
Implement all CPU instructions.
Gain full control of the emulator.
Pass the final full emulator test suite.
Finish Robo-Ninja Climb by using save states.
Finish Robo-Ninja Climb by either playing it or hacking it, without using save states.
Beat Dizzy Sheep Disaster.
Beat Falling.
Beat Feline Flood Fiasco.
Beat From Below.
Beat Heist.
Beat Jupiter Scope 2.
Beat Minekart Madness.
Beat Nalleland.
Beat Raven's Gate.
Beat Spacegulls.
Beat Super Tilt Bro.
Beat Tesla Vs Edison.
Beat Wolf Spirit.
Fail more than 50 tests at the same time.
Reach an "Invalid opcode" error when using BrokenNEEES CPU.
Open the debugger.
Bring your own ROM.
Fail the tests 5 times, then fix them.
Hang the emulator.
Quickly learn the JavaScript programming language.
Load the plumber game.
Open the REPL.
Finish the background rendering levels.
Finish the PPU implementation.
Draw something on the screen.
Finish the background scrolling levels.
Finish the sprite rendering levels.
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