393 Write a program that makes 2 + 2 = 5 2014-05-30T06:54:35.963

278 Make it look like I'm working 2014-06-07T00:47:00.650

195 What? No error? 2014-03-06T22:25:01.220

184 Trolling the troll 2014-03-10T08:17:54.640

111 So obviously, P = NP 2014-03-17T16:09:07.423

106 Random script that isn't actually random 2014-06-16T12:17:01.047

95 Why isn't it ending? 2014-03-16T02:59:32.170

78 Start a revolution in Oceania 2014-09-03T10:34:55.843

53 Program that adds all natural numbers and yields -1/12 2014-05-26T23:45:42.647

52 Quiche Lorraine 2015-03-19T12:52:31.163

49 “Disprove” Fermat's Last Theorem 2014-06-27T23:27:22.877

42 Produce an unexpected word 2014-05-31T16:00:49.733

39 Challenge: Write a piece of code that quits itself 2013-12-28T21:18:16.583

38 Deletion of a blank line in source code which causes unexpected functionality 2014-06-12T18:34:53.503

36 Sabotage the coding standards 2014-10-30T16:58:25.350

33 Underhanded Password Hashing 2012-03-28T22:22:06.583

33 It's not who votes that counts; it's who counts the votes 2014-06-20T04:44:49.620

29 Underhanded contest: The OS war 2012-07-18T14:48:30.727

28 Underhanded code contest: Not-so-quick sort 2014-01-29T07:37:19.360

27 Pi is still wrong 2014-05-30T13:47:01.520

26 Write a line in program that looks useless 2014-01-25T16:24:33.767

24 Obfuscation Challenge 2014-03-12T22:18:28.010

20 Efficient error-free* encoding 2014-06-12T10:27:28.047

20 Confuse the Dakotas 2014-12-15T14:29:32.950

19 An unintentional-looking but crash-causing bug 2013-12-29T19:24:44.343

18 Classic Proof Fallacy 2015-04-03T22:02:04.493

17 Hide evil code - print files containing a given string anywhere in a directory tree 2014-01-01T20:49:17.280

15 Pathological Sorting 2014-05-14T12:54:18.610

15 Sabotage a Train to Make It Run Late 2014-10-10T07:26:35.473

14 Throw a null-pointer exception 2014-05-16T00:24:19.277

13 Underhanded Bank Account 2014-09-17T16:37:33.803

12 Write a sorting program that looks erroneous but it is actually correct 2014-06-04T10:06:32.993

11 Underhanded launcher 2012-11-20T16:49:42.153

10 These are my lucky dice 2014-03-08T20:47:03.870

10 Cheap, Fast, Good - Common Factor (Greatest) 2014-05-09T18:56:55.537

10 Reversed language name 2017-06-12T14:27:15.250

9 Break Stack Exchange 2014-10-30T17:57:13.713

9 You call this optimized? 2015-07-06T04:43:12.213

7 Find the largest prime under a number... but only for the test cases 2014-01-22T21:15:28.390

7 Create a flaky test 2014-02-22T20:16:00.430

7 Recognize Twin Primes by Crashing 2015-02-11T14:39:16.247

6 Loophole for other challenge 2014-02-19T21:29:03.380

4 April Fools Day! 2017-04-02T03:13:56.553

3 Manipulate destiny, fake random numbers: Be Dirty Harry 2014-01-14T07:02:53.617

3 Print all multiples of 32 from 0 to `n`...imperfectly 2014-08-15T12:38:46.280

2 Underhanded contest (?): Anti-Virus wars 2014-03-19T06:32:00.253

2 Break out of a loop 2014-07-21T16:36:54.187

2 Like a quine, but not 2015-04-27T13:51:27.413

1 Fake infinite loop 2014-07-07T21:05:58.000

0 Implement map()...with bugs 2014-07-14T23:01:40.570