20 Bootloader golf: Brainf*** 2016-05-12T18:16:51.997

14 Branch differently in x86 / x86-64 using only printable visible ASCII characters in the machine code 2013-03-03T16:12:05.180

8 Build the busiest beaver in x86 machine code in 32 bytes or less 2013-08-25T20:39:58.160

2 Is the program 32 or 64 bits? 2018-04-12T22:55:44.713