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function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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rodrigo.siqueira

remix of d/34557 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert(`:𝕏=X=Y=0
for(i=3e4;i--;𝕏=X,x.fillRect(X*3e3-580,Y*5e3-400,t<3,.1))X=T(X*X%.5-Y*Y+X**9
-Y**3)+.33,Y=C(2*𝕏*Y+1.2)

Nov 26 2025 11:50 PM UTC

}// 137/140

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Light and shadow on rounded shapes

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rodrigo.siqueira

remix of d/34540 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(.7)`
for(𝕏=X=Y=i=9e4;i--;𝕏=X,x.fillRect(Y*4e3+820,2650-X*4e3,t<.5,.1))
X=T(X*X-Y*Y*.3)%(9/t)+.3,Y=C(2*𝕏*Y+1.5)

Nov 20 2025 2:23 PM UTC

}// 140/140

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Sequential dots of light

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ximavus

function u(t) {

t<.01?a=0:0
onclick=k=>{t<10?a++:0}
x.reset()
x.font='50px a'
x.fillText(a+' clicks',50,50)
if(t>10)x.fillText(a/10+' CPS',50,99)

Nov 18 2025 5:56 PM UTC

}// 129/140

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CPS counter!

u/bomblii

cookie clicker but without the cookie
u/ximavus

I ate the cookie :)

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rodrigo.siqueira

remix of d/34534 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert(`:𝕏=X=Y=0
for(i=3e4;i--;𝕏=X,x.fillRect(X*6e3-2e3,Y*7e3+2e3,t<3,.1))X=(X*X-Y*Y*.75)%(9/(t*6-1))+.285,Y=C(2*𝕏*Y+1.95)

Nov 17 2025 2:01 PM UTC

}// 140/140

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Spine Attractor

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rodrigo.siqueira

remix of d/34514 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert(`:𝕏=X=Y=0
for(i=5e4;i--;𝕏=X,x.fillRect(2e3+Y*5e3,X*2900-680,t<5,.1))X=S(X*X-Y*.7*Y)+S(.3+t*t*t/99),Y=C(2*𝕏*Y+1.929)

Nov 14 2025 12:29 PM UTC

}// 140/140

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X-ray

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ximavus

remix of d/34519 by u/KilledByAPixel

function u(t) {

c.width|=onclick=_=>T=!T
t?a+=!T&&1/60:a=0
x.font='5in"'
x.fillText(a.toFixed(2),560,700)
onkeydown=_=>{a=0;T=1}

Nov 12 2025 4:44 PM UTC

}// 112/140

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Removed the moving box to add reset. You can use it to test your reflexes now

u/cantelope

fair remix
u/ximavus

credit to u/KilledByAPixel the original is very nice
u/ximavus

my pb on this one is 0.13
u/ximavus

I got 0.10 yay

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ximavus

function u(t) {

x.reset()
for(i=9;i--;)x.fillRect(400+i*99+S(t.toFixed())*300,400,50,200)

Nov 8 2025 5:09 PM UTC

}// 73/140

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Lagging #default

u/ximavus

I had uploaded it twice accidentaly
u/joeytwiddle

lol I hate it!
u/ximavus

:)

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New_Core

remix of d/34504 by u/New_Core

function u(t) {

t?onmousemove=e=>T=e:c.height=a=13e3
b=1400
x.drawImage(c,0,i=b+t*60%8*b,a,b,0,0,a,b)
x.font="6cm '"
x.fillText("👻",T.x-150,T.y+i+99)

Nov 5 2025 6:44 PM UTC

}// 133/140

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Stripped down version for fullscreen... 🤷

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gai

function u(t) {

x.reset();x.beginPath();x.arc(960,540,200,0,7);for(var i=0;i<8;i++){var n=t+i*Math.PI/4;x.arc(C(n)*200+960,S(n)*200+540,50,0,7)};x.fill()

Nov 5 2025 12:46 AM UTC

}// 137/140

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almost working gear thing

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DazeWare

function u(t) {

c.width=w=99
for(i=w*33;i--;x.fillRect(i%w,i/w*2,1,9))f=i%w+999*S(t*.009),n=T(0|(i/w+f^f-i/w)/(9)),x.fillStyle=R(0,i>>t*9*S(t*i),(i)*i**n)

Nov 1 2025 7:14 PM UTC

}// 138/140

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