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IOCCC Winning Entries by Year

2020 - The 27th IOCCC

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2020/burton - Best one-liner
2020/carlini - Best of show - abuse of libc
2020/endoh1 - Most explosive
2020/endoh2 - Best perspective
2020/endoh3 - Most head-turning
2020/ferguson1 - Don’t tread on me award
2020/ferguson2 - Most enigmatic
2020/giles - Most phony
2020/kurdyukov1 - Best utility
2020/kurdyukov2 - Least detailed
2020/kurdyukov3 - Bset slaml prragom
2020/kurdyukov4 - Best abuse of lámatyávë
2020/otterness - Most percussive
2020/tsoj - Most misleading indentation
2020/yang - Best abuse of CPP

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2019 - The 26th IOCCC

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2019/adamovsky - Most functional interpreter
2019/burton - Best one-liner
2019/ciura - Most alphabetic
2019/diels-grabsch1 - Best small program
2019/diels-grabsch2 - Most self-aware
2019/dogon - Best use of space and time
2019/duble - Best collaborative graphics
2019/endoh - Most in need of debugging
2019/giles - Most in need of wide space
2019/karns - Most in need of whitespace
2019/lynn - Most functional compiler
2019/mills - Most in need to be tweeted
2019/poikola - Most calendrical
2019/yang - Most in need of transparency

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2018 - The 25th IOCCC

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2018/algmyr - Most cacophonic
2018/anderson - Most able to divine code gaps
2018/bellard - Most inflationary
2018/burton1 - Best one-liner
2018/burton2 - Best abuse of the rules
2018/ciura - Most likely to be awarded
2018/endoh1 - Best tool to reveal holes
2018/endoh2 - Best use of python
2018/ferguson - Best use of weasel words
2018/giles - Most unstable
2018/hou - Most likely to top the charts
2018/mills - Best of show
2018/poikola - Most stellar
2018/vokes - Most connected
2018/yang - Most shifty

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2015 - The 24th IOCCC

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2015/burton - Most Useful
2015/dogon - Most Crafty
2015/duble - Best Handwriting
2015/endoh1 - Most Diffused Reaction
2015/endoh2 - Most Overlooked Obfuscation
2015/endoh3 - Back to the Future Award
2015/endoh4 - Best One-liner
2015/hou - Most Well-rounded Hash
2015/howe - Most Different
2015/mills1 - For the Birds! Award
2015/mills2 - Most Compact
2015/muth - Most Complete Use of CPP
2015/schweikhardt - Best Documented
2015/yang - Most Pointed Reaction

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2014 - The 23rd IOCCC

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2014/birken - Best use of port 1701
2014/deak - Most underscored argument
2014/endoh1 - Most square (YODA award)
2014/endoh2 - Best use of bioinformatics
2014/maffiodo1 - Homage to a classic game
2014/maffiodo2 - Most tweetable entry
2014/morgan - Most likely to succeed
2014/sinon - Best choice of optimization
2014/skeggs - Most dynamic
2014/vik - Best handling of beeps
2014/wiedijk - Most functional

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2013 - The 22nd IOCCC

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2013/birken - Best painting tool
2013/cable1 - Most partisan 1-liner
2013/cable2 - Best of show
2013/cable3 - Largest small system emulator
2013/dlowe - Best sparkling utility
2013/endoh1 - Most lazy SKIer
2013/endoh2 - Most recyclable
2013/endoh3 - Most tweetable 1-liner
2013/endoh4 - Most solid
2013/hou - Best use of 1 Infinite Loop
2013/mills - Most timely rendered
2013/misaka - Most catty
2013/morgan1 - Smallest large system simulator
2013/morgan2 - Most playfully versatile
2013/robison - Most poetic use of strings

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2012 - The 21st IOCCC

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2012/blakely - Most GIFted expressions
2012/deckmyn - Most notable and best tool
2012/dlowe - Best way to lose a life
2012/endoh1 - Most complex ASCII fluid - Honorable mention
2012/endoh2 - PiE in the sky award
2012/grothe - Most conspiratorial
2012/hamano - Most elementary use of C - Silver award
2012/hou - Most useful obfuscation
2012/kang - Best short program
2012/konno - Best one liner
2012/omoikane - Most surreptitious
2012/tromp - Most functional
2012/vik - Best use of cocoa - Bronze award
2012/zeitak - Balanced use of obfuscation - Gold award

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2011 - The 20th IOCCC

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2011/akari - Best of Show - Most Shrinkable
2011/blakely - Most devolving
2011/borsanyi - Best data utility
2011/dlowe - Most self deprecating
2011/eastman - Best ball
2011/fredriksson - Most useful
2011/goren - Most artistic
2011/hamaji - Best solved puzzle
2011/hou - Best self documenting program
2011/konno - Best one liner
2011/richards - Most surprisingly portable
2011/toledo - Best non-chess game
2011/vik - Most sound
2011/zucker - Most shiny

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2006 - The 19th IOCCC

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2006/birken - EDAMAME Award
2006/borsanyi - Most Useful
2006/grothe - Most Obfuscated Audio
2006/hamre - Most Irrational
2006/meyer - Best Game
2006/monge - Best Compiled Graphics
2006/night - Best Abuse of Computation
2006/sloane - Homer’’s Favorite
2006/stewart - Best Computed Graphics
2006/sykes1 - Best Assembler
2006/sykes2 - Best One Liner
2006/toledo1 - Best Small Program
2006/toledo2 - Best of Show
2006/toledo3 - Most Portable Chess Set

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2005 - The 18th IOCCC

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2005/aidan - Most ingenious puzzle solution
2005/anon - Best 3D puzzle
2005/boutines - Most superfluous output
2005/chia - Most ambiguous language
2005/giljade - Best 2D puzzle
2005/jetro - Most sonorous output
2005/klausler - Abuse of the rules
2005/mikeash - Best use of parenthesis
2005/mynx - Best use of the WWW
2005/persano - Best of Show
2005/sykes - Best Emulator
2005/timwi - Most discourteous interpreter
2005/toledo - Best Game
2005/vik - Most circuitous walk
2005/vince - Most beauteous visuals

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2004 - The 17th IOCCC

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2004/anonymous - “Best use of”“Precious”” Lines”
2004/arachnid - Best use of Vision
2004/burley - Best Calculated Risk
2004/gavare - Best Use of Light and Spheres
2004/gavin - Best of Show
2004/hibachi - Best Abuse of the Guidelines
2004/hoyle - Most Functional Output
2004/jdalbec - Best Abuse of the Periodic Table
2004/kopczynski - Best One-Liner
2004/newbern - Best Font Engine
2004/omoikane - Best Utility
2004/schnitzi - Best Non-Use of Curses
2004/sds - Best Abuse of Indentation
2004/vik1 - Best X11 Game
2004/vik2 - Best Abuse of CPP

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2001 - The 16th IOCCC

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2001/anonymous - Dishonorable mention
2001/bellard - Best abuse of the rules
2001/cheong - Best short program
2001/coupard - Most obfuscated sound
2001/ctk - Worst Driver
2001/dgbeards - Best AI
2001/herrmann1 - Best abuse of the C preprocessor
2001/herrmann2 - Most eye-crossing
2001/jason - Best Of Show
2001/kev - Best Curses Game
2001/ollinger - Best of Show
2001/rosten - Best abuse of the user
2001/schweikh - Best one-liner
2001/westley - Best position-independent code
2001/williams - Best Graphic Game

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2000 - The 15th IOCCC

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2000/anderson - Best Use of Flags
2000/bellard - Most Specific Output
2000/bmeyer - Best Utility
2000/briddlebane - Best Abuse of User
2000/dhyang - Best Layout
2000/dlowe - Worst Abuse of the Rules
2000/jarijyrki - Best of Show
2000/natori - Best Small Program
2000/primenum - Best Abuse of CPP
2000/rince - Astronomically Obfuscated
2000/robison - Best game
2000/schneiderwent - Most Timely Output
2000/thadgavin - Most Portable Output
2000/tomx - Most Complete Program

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1998 - The 14th IOCCC

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1998/banks - Best of Show
1998/bas1 - Best Encapsulation
1998/bas2 - Best Small Program
1998/chaos - Best Object Orientation
1998/df - Best Data Hiding
1998/dlowe - Best Utility
1998/dloweneil - Most Fun
1998/dorssel - Obsolescent Feature
1998/fanf - Most Obfuscated Translator
1998/schnitzi - Best Flow Control
1998/schweikh1 - CPP Abuse
1998/schweikh2 - Most Erratic Behavior
1998/schweikh3 - Most Space Efficient
1998/tomtorfs - Best Self-Documenting

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1996 - The 13th IOCCC

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1996/august - Best of Show
1996/dalbec - Best Numerical Obfuscation
1996/eldby - Best Output
1996/gandalf - Best Layout
1996/huffman - Best Obfuscated Character Set Utility
1996/jonth - Best X11 Entry
1996/rcm - Best RFC Obfuscation
1996/schweikh1 - Worst Abuse of the C Preprocessor
1996/schweikh2 - Best Algorithm
1996/schweikh3 - Best Utility
1996/westley - Best One Liner

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1995 - The 12th IOCCC

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1995/cdua - Best Output
1995/dodsond1 - Most Humorous
1995/dodsond2 - Best Game
1995/esde - Interesting Algorithm
1995/garry - Best Utility
1995/heathbar - Best Layout
1995/leo - Best Use of Obfuscation
1995/makarios - Best Short Program
1995/savastio - Most Obfuscated Syntax
1995/schnitzi - Best One Liner
1995/spinellis - Abusing The Rules
1995/vanschnitz - Worst Abuse of the C Preprocessor and Most Likely to Amaze

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1994 - The 11th IOCCC

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1994/dodsond1 - Best Game
1994/dodsond2 - Most Obfuscated Packaging
1994/horton - Best Utility
1994/imc - Most Obfuscated Algorithm
1994/ldb - Best One-liner
1994/schnitzi - Best Layout
1994/shapiro - Most Well Rounded Obfuscation
1994/smr - Worst Abuse of the Rules
1994/tvr - Best X11 Program
1994/weisberg - Best Short Program
1994/westley - Worst Abuse of the C Preprocessor

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1993 - The 10th IOCCC

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1993/ant - Best Utility
1993/cmills - Bill Gates Award
1993/dgibson - Best Abuse of the C Preprocessor
1993/ejb - Best Obfuscated Algorithm
1993/jonth - Most Obfuscated X Program
1993/leo - Best Game
1993/lmfjyh - Most Versatile Source
1993/plummer - Best One Liner
1993/rince - Most Well Rounded
1993/schnitzi - Obfuscated Intelligence Award
1993/vanb - Most Irregular Expression

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1992 - The 9th IOCCC

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1992/adrian - Most Educational
1992/albert - Most Useful Program
1992/ant - Best Utility
1992/buzzard.1 - Most Obfuscated Algorithm
1992/buzzard.2 - Best Language Tool
1992/gson - Most Humorous Output
1992/imc - Best Output
1992/kivinen - Best X Program
1992/lush - Worst Abuse of the C Preprocessor
1992/marangon - Best Game
1992/nathan - Worst Abuse of the Rules
1992/vern - Best of Show
1992/westley - Best Small Program

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1991 - The 8th IOCCC

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1991/ant - Best Utility
1991/brnstnd - Best Of Show
1991/buzzard - Best Output
1991/cdupont - Most Useful Label
1991/davidguy - Best X11 Graphics
1991/dds - Most Well Rounded
1991/fine - Best One Liner
1991/rince - Best Game
1991/westley - Grand Prize

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1990 - The 7th IOCCC

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1990/baruch - Best Small Program
1990/cmills - Best Game
1990/dds - Best Language Tool
1990/dg - Best Abuse of the C Preprocessor
1990/jaw - Best Entropy-reducer
1990/pjr - Most Unusual Data Structure
1990/scjones - ANSI Committee’s Worst Abuse of C
1990/stig - Strangest Abuse of the Rules
1990/tbr - Best Utility
1990/theorem - Best of Show
1990/westley - Best Layout

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1989 - The 6th IOCCC

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1989/fubar - Best self-modifying program
1989/jar.1 - Strangest abuse of the rules
1989/jar.2 - Best of show
1989/ovdluhe - Most humorous output
1989/paul - Most complex algorithm
1989/robison - Best minimal use of C
1989/roemer - Best layout
1989/tromp - Best game
1989/vanb - Best one liner
1989/westley - Most algorithms in one program

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1988 - The 5th IOCCC

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1988/applin - Best of show
1988/dale - Best abuse of system calls
1988/isaak - Best visuals
1988/litmaath - Best small program
1988/phillipps - Least likely to compile successfully
1988/reddy - Most useful Obfuscated C program
1988/robison - Best abuse of C constructs
1988/spinellis - Best abuse of the rules
1988/westley - Best layout

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1987 - The 4th IOCCC

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1987/biggar - Best Abuse of the Rules
1987/heckbert - Best Obfuscator of Programs
1987/hines - Worst Style
1987/korn - Best One Liner
1987/lievaart - Grand Prize
1987/wall - Most Useful Obfuscation
1987/westley - Best Layout

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1986 - The 3rd IOCCC

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1986/applin - Most adaptable program
1986/august - Best complex task done in a complex way
1986/bright - Most useful obfuscation
1986/hague - Worst abuse of the C preprocessor
1986/holloway - Best simple task performed in a complex way
1986/marshall - Best layout
1986/pawka - Most illegible code
1986/stein - Best one liner
1986/wall - Grand prize in most well-rounded in confusion

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1985 - The 2nd IOCCC

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1985/applin - Best one liner
1985/august - Most obscure program
1985/lycklama - Strangest appearing program
1985/shapiro - Grand prize for most well-rounded in confusion
1985/sicherman - Worst abuse of the C preprocessor

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1984 - The 1st IOCCC

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1984/anonymous - Dishonorable mention
1984/decot - Second place
1984/laman - Third place
1984/mullender - Grand Prize

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IOCCC Year level tarballs

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The International Obfuscated C Code Contest

IOCCC Winning Entries by Year

IOCCC Winning Entries by Year

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2020 - The 27th IOCCC

2019 - The 26th IOCCC

2018 - The 25th IOCCC

2015 - The 24th IOCCC

2014 - The 23rd IOCCC

2013 - The 22nd IOCCC

2012 - The 21st IOCCC

2011 - The 20th IOCCC

2006 - The 19th IOCCC

2005 - The 18th IOCCC

2004 - The 17th IOCCC

2001 - The 16th IOCCC

2000 - The 15th IOCCC

1998 - The 14th IOCCC

1996 - The 13th IOCCC

1995 - The 12th IOCCC

1994 - The 11th IOCCC

1993 - The 10th IOCCC

1992 - The 9th IOCCC

1991 - The 8th IOCCC

1990 - The 7th IOCCC

1989 - The 6th IOCCC

1988 - The 5th IOCCC

1987 - The 4th IOCCC

1986 - The 3rd IOCCC

1985 - The 2nd IOCCC

1984 - The 1st IOCCC

IOCCC Year level tarballs

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