JS1k: The JavaScript code golfing competition
2018 - The Volatile Coin Mine
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Check out demos from previous editions too! 2010 , 2010 , 2011 , 2012 , 2013 , 2014 , 2015 , 2016 , 2017 , 2019
Nikola Tesla Lightning Ball
Move your mouse over sphere and enjoy with Nikola Tesla's Lightning Ball simulation
Moneybugs
Moneybugs gather as the sun sets, but come dark, only the strongest stick around. Best on Windows under Chrome/Firefox.
bitcoin's folies
Renders some bitcoins in a timely fashion then things go weird and universe collapses. Will add sounds next time.
Flatland Space Wars
Flatland is under attack by the Rectangulons and you must dip, dive, dodge, and evade your way to the highest of scores lest you become crushed into a 1 dimensional line as your 2D mass explodes into…
THEY COME AT DUSK 👺
Run! The spirit of the volatile coin miners come back at dusk, spreading panic in the city. Will you survive another day ? Turn around using the arrow keys.
Plundering Sailsman
Ahoy navigator! Here be scores of maps revealing the pirates' buried dubloons. Race the gold home afore they return! Use <🔄> to change map/reset. Can you beat 14s in maps 1-3?
MUS1K
Draw a melody, change the base frequency, tempo and waveform, then play and export it as a tiny JS snippet useable in your mini demos!
CryptoMonster
Investors are throwing their money into the volatile market, beware the trawling CryptoMonster
The sound of chaos
Upload any image and listen to how it sounds. Procedural chaos provided as example.
Little B
Inspired by original Bomberman game; Use arrows for moving and space bar for placing bombs...And try to not be caught...
too big not to fail
Left click: buy. Right click: sell. Read on for details!
Mine patterns not coins!
Play with the input's value. Once the input loses focus you'll enjoy emerging patterns.
Inheritance
While mining for gold coins, you've unfortunately slipped and you're now plummeting to your death. Grab as many coins as you can before you go splat.
Write this game!
It's a typing game/quine. Follow the instructions on screen to win the game!
COIN COIN SCORE
Create a musical score. Use select options to add musical notes. "_" means a silence. "END" will stop the song, even if there are notes remaining. Use Play and Stop buttons...
Elemental Forest 2.0
Use WASD to move through the infinite forest. Follow the path or not, it's your choice..
Epic cycles
"JS1K" drawn by 64 gears. Press up / down to change the number of gears, left to show/hide intermediate paths, right to clear the scene. Use the mouse to draw a (closed) path!
Spiked for a Penny
Dungeon Crawler. Use ARROW Keys to Move and SPACE to Wait a turn. Press ESC to restart the game.
Dodge Coin
Control player with ARROW keys, throw coin with SPACE, and switch team member with NUM 1-5.
Coins and Boulders
The mine is collapsing! Left/right keys and space. Get the coins. Avoid the boulders.
Micro FXr - [mfxr]
A tiny SFX module using Web Audio. Click to operate. Has noise, square, sine, and saw waves, as well as a pitch shift and tremolo. Will also draw the sound wave to canvas.
Pollute
Move mouse to move ship. Fire out front, waste out back. Avoid and shoot the waste!
Shaderandom
[seizure warning] Procedurally-generated WebGL shader! (Refresh to generate a new unique shader). The source code shown at the bottom can be copy-pasted on shadertoy.com! The shaders may stay black or…
LCD Coin Miner. Tap to mine when item is in the bo
Inspired by the LCD games from my childhood, comes Coin Miner 2018 for the Apple Watch!
Downcoin
Ride the Downcoin roller coaster, but watch out for price spikes. How low can you go? Click/touch jumps.
Click and Chase
Click anywhere to move the spot light. Never let the red dot out of your sight. If you can keep the target within your sight for more than 30 sec, you win.
Mini Fourier
Instant Fast Fourier Transform! Draw on the left side (left-click: white / right-click: black), press Alt to draw with squares instead of circles, and use the slider to change the line width. Click th…
My Watchmen Tribute
Some aspects from the story. Snow, particles and the comedians badge.
Bitcoin Market Sim++
Super Realistic, HD Simulation of Bitcoin Market Value. Play with the sliders to see what happens!
Volatile Buy and Sell
Play the game buy buying coins based on your available money. Every turn you are losing money as operating cost, you need to survive the game by buying and selling coins within this volatile market.
PopSICLe Language
A Stack-based Canvas Composition Engine #PopSICLe to share creations
Wolfenmaze 3D
Use the arrow keys. Collect the five green dots on the map, then go to the lower right edge.
SN1KE
Match the black patterns with the snake. Use the arrow keys to move and R to restart a puzzle. Can you beat the 55 levels?