The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?

ArenaGrenade

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10 / 123 Holes

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1 / 62 Langs

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10 / 99 Cheevos

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20 Dec 2023

Collatz

2,418^th

Divisors

2,593^rd

Fibonacci

4,479^th

Fizz Buzz

2,274^th

ISBN

1,016^th

Leap Years

2,840^th

Look and Say

1,229^th

Prime Numbers

1,626^th

Quine

551^st

Tongue-twisters

2,035^th