73 votes

What did we forget?

zsh, 603 594 566 561 548 440 415 399 378 370 bytes ...
Doorknob's user avatar
  • 71.4k
43 votes

Radiation Hardened Quine

Befunge-98, 884, n = 14, score ≈ 2.636 ...
Martin Ender's user avatar
37 votes

Radiation softened quine

Lenguage, 4.54×10761 bytes It has this number of null characters: ...
jimmy23013's user avatar
  • 36.9k
36 votes

Error 404: Character Not Found

JavaScript, 228 bytes ...
jrich's user avatar
  • 4,126
29 votes

Make a Geiger Counter

Lost, 303 293 263 253 238 228 bytes ...
Jo King's user avatar
  • 47.1k
26 votes

Error 404: Character Not Found

Pyth - 16 bytes The basic idea behind this is that when you take a digit off of 404, it only makes the number smaller, so we just have to get the maximum of two <...
Maltysen's user avatar
  • 25.7k
25 votes

Error 404: Character Not Found

Befunge-98, 37 bytes 20020xx##;;11++::''ee44**``kk@@::..;; Try it online! Explanation Making radiation-hardened code in Befunge-98 isn't too bad, because you ...
Martin Ender's user avatar
25 votes
Accepted

Radiation softened quine

><> (Fish), 145 107 bytes This answer uses ><>'s jumping instruction to fix the problem. ...
Thijs ter Haar's user avatar
24 votes

Make a Geiger Counter

Hexagony, 38 bytes .....;p;<>b;e;/<b;e;;p...@@.......;@.. Try it online! Verification program. Explanation We make use of Hexagony's auto-detection ...
DELETE_ME's user avatar
  • 17.2k
24 votes

Make a Geiger Counter

Klein XXX, 144 136 128 122 114 bytes This answer completes JoKing's challenge to make a Geiger counter that works in every Klein topology. ...
Wheat Wizard's user avatar
  • 96.5k
24 votes

Pass on your radiation

Python 2, score:  56 50  48 bytes - 6 = 42 This is more an attempt to allow to remove more than 1 or 2 characters than to achieve the lowest possible score. Given the scoring scheme, allowing one more ...
Arnauld's user avatar
  • 188k
22 votes

What did we forget?

Retina, 1 byte 1 Try it online! When all instances of the single byte (1) are removed, the output is ...
Conor O'Brien's user avatar
21 votes

Make a Geiger Counter

Hexagony, 34 29 bytes //..>;e;<b@;p;/|/;e;;\.b@;p<@ Try it online! Verification! Explanation: Here is the normal code formatted into a proper hexagon ...
Jo King's user avatar
  • 47.1k
20 votes

Pass on your radiation

><>, 584 bytes, score 0 ...
Jo King's user avatar
  • 47.1k
18 votes

Radiation Hardened Quine

JavaScript (ES6), 927 bytes, n=1, score=859329 note: don't use a REPL (like a browser console) to run this. This was written before code length was a factor, so it isn't golfed yet. This was very ...
jrich's user avatar
  • 4,126
18 votes
Accepted

Error 404: Character Not Found

05AB1E, 12 bytes Code: XX440044ÔÔŸŸ Normal code explanation: ...
Adnan's user avatar
  • 44.3k
18 votes

Rearrangeable Code Bowling

Lenguage, 1,112,064 points if UTF-8 My program consists of every possible UTF-8 character. It prints out "Hello world", and uses 1.75 * 1076 yottabytes of space. (To generate the program, ...
Nathan Merrill's user avatar
18 votes

Mutation-hardened quine

><>, 56 bytes ^ . + 8 f 0 o a o ~ : ? ~ : ? : - * 4 8 : ^ ^ } * 3 d ' Try it online! or verify all mutations. How the original program works (outdated) The ...
Dennis's user avatar
  • 210k
17 votes

Write a near crystalline program

Ellipsis, score → 0 The program consists of \$144 \times 8^n + 23\$ ASCII periods . for \$n \geq 0\$, and gets a perfect score (i.e. every possible insertion causes ...
17 votes

I irradiate your source code, you irradiate your output

brainfuck, 2 bytes, score 0 .. Try it online! Outputs two null bytes. Removing either . leaves ...
m90's user avatar
  • 9,811
16 votes

Fault-Tolerant Hello World

Befunge-98, score 0, 45 bytes 20020xx""!!ddllrrooww ,,oolllleeHH""cckk,,@@ Try it online! Although an optimal solution has already been found (and there's no ...
Martin Ender's user avatar
16 votes

Error 404: Character Not Found

><>, 103 60 51 bytes vv ;?=*4o" e"n:ll<< ;?=*4o" e"n:ll<< Tested here. Uses the same tactic as this program....
mbomb007's user avatar
  • 23.3k
16 votes

Same code different characters

C, 231 Program A ...
Digital Trauma's user avatar
16 votes

Self Scoring Program

Backhand, 40 36 29 bytes vv""sseettyybb ""jjHHOO] Try it online! Verification! When in doubt, double up on everything. This uses Backhand's ...
Jo King's user avatar
  • 47.1k
15 votes

Radiation Detector!

05AB1E, 9 7 bytes (Score of 3) 22'''rr Try it online! Removing a ' With any ' removed, <...
Magic Octopus Urn's user avatar
15 votes

Make a Geiger Counter

Self-modifying Brainfuck, 73 63 bytes ...
Jo King's user avatar
  • 47.1k
14 votes

Rearrangeable Code Bowling

Many languages, 2 points 0. Produces 0.0 as 0. or .0. ...

Only top scored, non community-wiki answers of a minimum length are eligible