The Tic-tac-toe hole will go live in approximately . Why not try and solve it ahead of time?

Experimental Holes (28)

Tutorial

40 7

Tic-tac-toe

17 0

Partition Numbers

16 4

Set

12 0

Star Wars GPT

10 1

Calendar

8 0

Scrambled Alphabetization

6 0

Trinomial Triangle

10 4

Minesweeper

6 1

p-adic Expansion

7 2

Gray Code Decoder

4 0

Hexagonal Spiral

6 3

CSS Grid

3 1

Hilbert Curve

2 0

Mandelbrot

9 7

Quadratic Formula

4 2

Turtle

9 7

Apéry’s Constant

1 0

Ellipse Perimeters

8 7

Gray Code Encoder

2 1

Highly Composite Numbers

2 2

NFA Simulator

5 5

Flags

7 8

Floyd-Steinberg Dithering

1 2

QR Encoder

4 5

Semiprime Numbers

4 5

Sphenic Numbers

4 5

Odd Polyomino Tiling

1 6
Experimental Languages (27)

APL

38 4

Scala

30 0

Uiua

19 1

Befunge

9 1

Vyxal

9 1

BQN

9 3

Groovy

6 0

Erlang

8 3

Odin

5 0

Racket

5 0

05AB1E

11 7

Hush

4 0

Rebol

4 0

Rexx

4 0

ALGOL 68

3 0

Arturo

4 1

Egel

3 0

Fennel

4 2

Squirrel

2 0

CJam

1 0

CoffeeScript

6 5

Hare

1 0

Hy

1 0

iogii

1 0

Picat

1 0

Haxe

0 0

Harbour

0 1
Other Ideas (136)

More Cheevos

55 0

Language leaderboard

30 0

Polyglot Golfing

27 0

A page to freely run code with user-provided input?

20 0

Add RISC-V Assembly Lang

19 0

Add PARI/GP Lang

16 0

Monthly challenges that reveal the solution afterwards

20 4

Store history of solutions over time

16 0

Add some esolangs

14 0

Show solution runtime

14 0

Add a "Find Me" button to various rankings pages

13 0

Add 6502 Assembly Lang

11 0

Support GitLab Logins

11 0

Add Wasm Lang

12 2

Hole kinds

9 0

Add LOLCODE Lang

9 1

Alternative scoring system

8 0

Use medal counts instead of rank for coloring user languages

8 0

Add markdown badge API

7 0

Add VBScript Lang

7 0

Change categories to tags

7 0

Add Connect 4 hole

6 0

Add Jelly Lang

9 3

Hole idea: FRACTRAN interpreter

6 0

Add Piet Lang

5 0

Add "Pokemon" Hole

5 0

Announce record invalidations via Caddie

5 0

Remove chars scoring altogether

15 10

Add Cyclic Tag hole

4 0

Add Integer Roots hole

4 0

Add Option for Pass/Fail Scoring

4 0

Hole idea: list of names to a "like" list

4 0

Add Boggle hole

3 0

Add C3 Lang

3 0

Add Elm Lang

3 0

Add Numbrix hole

4 1

Add Pony Lang

3 0

Add Yuescript Lang

3 0

Award badge and/or cheevo for hole authorship

3 0

cheevo idea: Deprecated Solution

3 0

Hole idea: SKI interpreter

3 0

Indication that solution is running

3 0

More Solution States

3 0

Sort medals ranking by diamonds

3 0

Add a `hexdump -c` output view as well as diff

2 0

Add BBC Basic Lang

2 0

Add Binary Lambda Calculus hole

2 0

Add Io Lang

2 0

Add Korean-aware Replacement hole

2 0

Add Nibbles Lang

3 1

Add Pip Lang

2 0

Add Stax Lang

2 0

Add Vala Lang

2 0

Hole Idea: Countdown Numbers Round hole

2 0

Hole Idea: Implement Tetration ᵇa

2 0

Opt-out of char competition

2 0

Save alternative solutions

3 1

Tare Current Byte/Char

2 0

Add a keyboard shortcuts dialog/popup

1 0

Add a Loop Finder hole

1 0

Add Bruijn Lang

1 0

Add category progression cheevos

1 0

Add Crossword hole

1 0

Add Curry Lang

1 0

Add Graphing Calculator Hole

4 3

Add KamilaLisp Lang

1 0

Add Lambda Calculus Lang

2 1

Add LLVM IR Lang

1 0

Add Luau Lang

1 0

Add Noulith Lang

1 0

Add Octave Lang

1 0

Add Relative TreePath Hole

1 0

Add Snake hole

1 0

All/Me/Following Tabs on all leaderboard

1 0

Allow custom scoring functions per language

1 0

Allow swapping columns in differences tab

1 0

Avoid reflowing / layout shifts

1 0

Consider fixing time for each solution run

1 0

Hole Idea: Race Results

1 0

Hole Idea: Taxicab Numbers

1 0

Identical solution to another golfer

1 0

Make hyperlinks from the table entries on `/stats/countries`

1 0

Sponsor Feature: Custom background image on sponsor's profile

1 0

Add Amber Lang

0 0

Add Ante Lang

0 0

Add Chapel Lang

0 0

Add Coq Lang

0 0

Add Crap Lang

0 0

Add Hurl Lang

0 0

Add INTERCAL Lang

0 0

Add Japt Lang

0 0

Add Joy Lang

0 0

Add JSFuck Lang

3 3

Add Koka Lang

0 0

Add Labyrinth Lang

0 0

Add Nial Lang

0 0

Add Nit Lang

0 0

Add Polynomials hole

0 0

Add PureScript Lang

0 0

Add Q Lang

0 0

Add ReScript Lang

0 0

Add sort by ranking in profile (languages)

0 0

Add Type Inference hole

0 0

Add Zeek Lang

0 0

API calls for rank, byte/char scores and points for individual users

0 0

Ascii Snake Hole

0 0

Better error messages from POST /solution

0 0

Box and Whisker Hole

0 0

Contribution cheevos

1 1

disable syntax highlighting

0 0

Don't update timestamp for re-submissions of previously failing identical solutions

0 0

Improve tab key navigation

0 0

Linkify some page headers

0 0

Option to sort holes by popularity, would be a good way to roughly gauge difficulty

0 0

Parkside's Other Triangle hole

0 0

Remove connections.discriminator

0 0

Some ideas to help with debugging

0 0

Sublists

0 0

Support cross-wiki page linking

0 0

The rankings button in the header should go to the current lang/hole

0 0

Accept Carriage Return As Line Break

0 1

Add Ackermann Function hole

0 1

Add Maze hole

0 1

Add parse DateTime.Ticks hole

0 1

Add physics hole

0 1

Add brainfuck v2 hole

2 4

Add hole "Collatz Sequence"

0 2

Link to hole-specific tips wiki page from the editor

1 3

Run others' entries on custom input

0 2

Add Malbolge Lang

0 3

Add Rubik's cube solving hole

2 5

Brainfuck problem needs more detail

0 4

Css Colors Inverse

0 5

Add A+B problem hole

0 7

Add TypeScript Lang

0 9

Add Placeholder Text hole

0 11