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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
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Arabic to Roman
Arithmetic Numbers
Arrows
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ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Hilbert Curve
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Mandelbrot
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Partition Numbers
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
ROT13
Rule 110
Scrambled Sort
Set
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars GPT
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Tic-tac-toe
Time Distance
Tongue-twisters
Topological Sort
Transpose Sentence
Trinomial Triangle
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Experimental Hole
Apéry’s Constant
Calendar
Connect Four
CSS Colors (Inverse)
CSS Grid
Ellipse Perimeters
Flags
Floyd-Steinberg Dithering
Gray Code Decoder
Gray Code Encoder
Hexagonal Spiral
Highly Composite Numbers
Minesweeper
NFA Simulator
Odd Polyomino Tiling
p-adic Expansion
Polygon Triangulations
QR Encoder
Quadratic Formula
Semiprime Numbers
Smooth Numbers
Snake
Sphenic Numbers
Tower of Hanoi
Turtle
Tutorial
Hole
Golfer
Chars
Time
Submitted
Collatz
Mabeloid
103
119ms
5 days ago
Collatz
kumavale
🥇
88
119ms
24 days ago
Collatz
kmathis22
110
120ms
24 Sep 2025
Collatz
Arkadios200
105
121ms
21 Sep 2025
Collatz
CaedenHarper
3,246
109ms
16 Aug 2025
Collatz
addmai
118
127ms
25 Jul 2025
Collatz
ndren
104
122ms
14 Jul 2025
Collatz
henrydukepickle
97
123ms
8 Jul 2025
Collatz
unfinishedprogram
102
119ms
27 Jun 2025
Collatz
acotis
🥇
88
120ms
9 Jun 2025
Collatz
sean-niemann
92
123ms
8 Jun 2025
Collatz
Lv0Sys
108
123ms
30 May 2025
Collatz
LvLError
108
124ms
29 May 2025
Collatz
CosmicRaichu
110
123ms
25 Apr 2025
Collatz
DialFrost
91
123ms
7 Apr 2025
Collatz
TannerJ07
109
128ms
4 Apr 2025
Collatz
komunre
194
124ms
15 Mar 2025
Collatz
lolgeny
93
124ms
22 Feb 2025
Collatz
emgordon154
98
121ms
18 Feb 2025
Collatz
ComputerKWasTaken
110
122ms
20 Jan 2025
Collatz
nullie
93
135ms
19 Dec 2024
Collatz
edsrzf
91
121ms
29 Nov 2024
Collatz
avila-gabriel
116
185ms
17 Oct 2024
Collatz
FortuiteMan
108
122ms
10 Oct 2024
Collatz
dokutan
100
123ms
3 Oct 2024
Collatz
KatieLG
4,245
111ms
29 Sep 2024
Collatz
madeforlosers
108
121ms
5 Sep 2024
Collatz
asterized
110
127ms
24 Aug 2024
Collatz
trist224
93
143ms
12 Aug 2024
Collatz
smartiel
93
136ms
12 Aug 2024
Collatz
Florian-Mt
110
129ms
22 Jul 2024
Collatz
madex
108
123ms
9 Jul 2024
Collatz
wuzekai518
106
124ms
8 Jul 2024
Collatz
lynn
91
121ms
6 Jul 2024
Collatz
inverseLorentz
92
130ms
27 May 2024
Collatz
HumanoidCPU
101
123ms
7 May 2024
Collatz
rucin93
105
121ms
2 May 2024
Collatz
gurglemurgle5
125
124ms
26 Apr 2024
Collatz
Alex-Huggett
109
126ms
14 Apr 2024
Collatz
77Tigers
104
125ms
9 Apr 2024
Collatz
TylerBloom
96
122ms
22 Mar 2024
Collatz
siltyy
103
123ms
20 Mar 2024
Collatz
elgan65536
93
122ms
5 Mar 2024
Collatz
TheMadRey
118
120ms
5 Mar 2024
Collatz
CarsonChr
119
130ms
14 Jan 2024
Collatz
mousetail
94
124ms
12 Jan 2024
Collatz
okaponta
102
118ms
11 Jan 2024
Collatz
logvp
93
125ms
2 Jan 2024
Collatz
drabart
112
125ms
15 Dec 2023
Collatz
stefangimmillaro
92
123ms
24 Oct 2023
Collatz
funnsam
130
130ms
23 Oct 2023
Collatz
lambda-abstraction
112
129ms
21 Oct 2023
Collatz
msbranicky
100
123ms
5 Oct 2023
Collatz
snoozingnewt
108
123ms
23 Sep 2023
Collatz
craftablescience
128
122ms
19 Sep 2023
Collatz
yamhab
103
124ms
14 Sep 2023
Collatz
StronkCheese
104
122ms
7 Sep 2023
Collatz
Heathcorp
108
121ms
25 Aug 2023
Collatz
WatMan77
146
174ms
16 Aug 2023
Collatz
GoodDays13
133
129ms
12 Jul 2023
Collatz
AlexanderFair
103
125ms
5 Jul 2023
Collatz
undersquire
104
121ms
21 Jun 2023
Collatz
ovs-code
94
121ms
21 Jun 2023
Collatz
bogdan-cu
151
128ms
31 May 2023
Collatz
MeWhenI
101
124ms
29 May 2023
Collatz
StHagel
105
121ms
25 May 2023
Collatz
klixel
91
122ms
20 May 2023
Collatz
sona-tau
155
126ms
13 Apr 2023
Collatz
Z-snails
104
126ms
27 Feb 2023
Collatz
r-brinke
101
128ms
24 Feb 2023
Collatz
Betuaredead
110
124ms
5 Jan 2023
Collatz
retrohun
3,246
111ms
27 Dec 2022
Collatz
aDwarfNamedUrist
112
127ms
13 Dec 2022
Collatz
snobee
93
123ms
8 Dec 2022
Collatz
Super-Pizza
91
121ms
4 Dec 2022