diff --git a/all/all.tar.bz2 b/all/all.tar.bz2
index 890ab0551..f5348857c 100644
Binary files a/all/all.tar.bz2 and b/all/all.tar.bz2 differ
diff --git a/all/summary.txt b/all/summary.txt
index 0793776a1..fba2d1860 100644
--- a/all/summary.txt
+++ b/all/summary.txt
@@ -352,3 +352,19 @@
 2019 mills	Machine Learning on text
 2019 poikola	SHA, Prime, Fibonacci
 2019 yang	Text scrambler
+
+2020 burton	Byte to binary, no loops, 1-liner
+2020 carlini	printf machine
+2020 endoh1	Minesweeper solver
+2020 endoh2	Star Wars crawler
+2020 endoh3	ASCII clock
+2020 ferguson1	Snake game
+2020 ferguson2	Enigma machine
+2020 giles	DTMF encoder/decoder
+2020 kurdyukov1	MD5 checksum
+2020 kurdyukov2	Image segmenter
+2020 kurdyukov3	Letter permuter
+2020 kurdyukov4	Markov chain text generator
+2020 otterness	MIDI improver
+2020 tsoj	Asteroids
+2020 yang	PIN-protected program generator
diff --git a/winners.html b/winners.html
index bc4444620..8e51791b5 100644
--- a/winners.html
+++ b/winners.html
@@ -255,9 +255,7 @@ Contest </I></FONT></CENTER><BR>
 <LI TYPE=square>Best abuse of the rules (<A HREF="years.html#2018_burton2">2018/burton2/prog.c</A>)
 <LI TYPE=square>Best one-liner (<A HREF="years.html#2018_burton1">2018/burton1/prog.c</A>)
 <LI TYPE=square>Best one-liner (<A HREF="years.html#2019_burton">2019/burton/prog.c</A>)
-<!-- XXX remove when 2020 is ready
 <LI TYPE=square>Best one-liner (<A HREF="years.html#2020_burton">2020/burton/burton.c</A>)
-XXX remove when 2020 is ready -->
 </UL><BR>
 
 <LI TYPE=none><A NAME="Gavin_Buttimore"></A><B><a href="&#x6D;&#97;&#105;&#x6C;&#116;&#x6F;&#x3A;g&#97;&#x76;&#x69;&#x6E;&#46;&#x62;&#x75;&#116;&#x74;&#x69;&#109;&#x6F;&#114;&#x65;&#x40;&#99;r&#x65;&#x61;&#x74;&#117;r&#101;&#108;&#x61;&#x62;&#115;&#46;&#99;&#111;m">Gavin Buttimore</a></B>
@@ -279,12 +277,10 @@ XXX remove when 2020 is ready -->
 <LI TYPE=square>Best of show (<A HREF="years.html#2013_cable2">2013/cable2/cable2.c</A>)
 </UL><BR>
 
-<!-- XXX remove when 2020 is ready
 <LI TYPE=none><A NAME="Nicholas_Carlini"></A><B><a href="&#109;&#97;i&#108;&#x74;o&#58;&#x6E;&#x69;c&#104;ol&#97;&#x73;@&#x63;&#x61;&#x72;&#x6C;&#105;&#x6E;&#105;&#46;c&#111;&#109;">Nicholas Carlini</a></B> -- <A HREF="https://nicholas.carlini.com">https://nicholas.carlini.com</a>
 <UL>
 <LI TYPE=square>Best of show - abuse of libc (<A HREF="years.html#2020_carlini">2020/carlini/carlini.c</A>)
 </UL><BR>
-XXX remove when 2020 is ready -->
 
 <LI TYPE=none><A NAME="Raymond_Cheong"></A><B><a href="&#x6D;&#97;&#105;&#108;&#116;&#111;&#x3A;&#114;&#99;h&#101;&#111;&#110;&#x67;&#x40;&#106;&#x68;&#x75;&#x2E;&#101;&#100;&#117;">Raymond Cheong</a></B> -- <A HREF="//www.bme.jhu.edu/~rcheong/">//www.bme.jhu.edu/~rcheong/</a>
 <UL>
@@ -450,11 +446,9 @@ XXX remove when 2020 is ready -->
 <LI TYPE=square>Best use of python (<A HREF="years.html#2018_endoh2">2018/endoh2/prog.c</A>)
 <LI TYPE=square>Best tool to reveal holes (<A HREF="years.html#2018_endoh1">2018/endoh1/prog.c</A>)
 <LI TYPE=square>Most in need of debugging (<A HREF="years.html#2019_endoh">2019/endoh/prog.c</A>)
-<!-- XXX remove when 2020 is ready
 <LI TYPE=square>Most head-turning (<A HREF="years.html#2020_endoh3">2020/endoh3/endoh3.c</A>)
 <LI TYPE=square>Best perspective (<A HREF="years.html#2020_endoh2">2020/endoh2/endoh2.c</A>)
 <LI TYPE=square>Most explosive (<A HREF="years.html#2020_endoh1">2020/endoh1/endoh1.c</A>)
-XXX remove when 2020 is ready -->
 </UL><BR>
 
 </UL>
@@ -467,10 +461,8 @@ XXX remove when 2020 is ready -->
 <LI TYPE=none><A NAME="Cody_Ferguson"></A><B><a href="&#109;&#97;&#105;&#x6C;&#116;&#x6F;&#x3A;&#105;&#111;&#99;&#x63;&#x63;@&#120;&#101;&#120;&#121;l&#x2E;&#x6E;&#x65;&#x74;">Cody Boone Ferguson</a></B> -- <A HREF="https://ioccc.xexyl.net">https://ioccc.xexyl.net</a>
 <UL>
 <LI TYPE=square>Best use of weasel words (<A HREF="years.html#2018_ferguson">2018/ferguson/prog.c</A>)
-<!-- XXX remove when 2020 is ready
 <LI TYPE=square>Most enigmatic (<A HREF="years.html#2020_ferguson2">2020/ferguson2/ferguson2.c</A>)
 <LI TYPE=square>Don't tread on me award (<A HREF="years.html#2020_ferguson1">2020/ferguson1/ferguson1.c</A>)
-XXX remove when 2020 is ready -->
 </UL><BR>
 
 <LI TYPE=none><A NAME="Tony_Finch"></A><B><a href="&#x6D;&#97;&#105;&#108;&#116;&#111;&#x3A;d&#111;&#116;&#64;&#x64;&#111;&#x74;&#97;&#x74;&#46;&#x61;&#x74;">Tony Finch</a></B> -- <A HREF="http://dotat.at/">http://dotat.at/</a>
@@ -524,9 +516,7 @@ XXX remove when 2020 is ready -->
 <UL>
 <LI TYPE=square>Most unstable (<A HREF="years.html#2018_giles">2018/giles/prog.c</A>)
 <LI TYPE=square>Most in need of wide space (<A HREF="years.html#2019_giles">2019/giles/prog.c</A>)
-<!-- XXX remove when 2020 is ready
 <LI TYPE=square>Most phony (<A HREF="years.html#2020_giles">2020/giles/giles.c</A>)
-XXX remove when 2020 is ready -->
 </UL><BR>
 
 <LI TYPE=none><A NAME="Garry_Glendown"></A><B><a href="&#x6D;&#97;&#105;&#x6C;to&#x3A;&#103;&#97;r&#x72;&#x79;&#64;&#105;&#110;&#x73;&#x69;&#x64;&#101;&#x72;&#x2E;&#x72;&#101;&#103;&#105;&#111;&#46;&#110;&#x65;&#116;">Garry Glendown</a></B> -- <A HREF="http://insider.regio.net/~garry">http://insider.regio.net/~garry</a>
@@ -735,7 +725,6 @@ XXX remove when 2020 is ready -->
 <LI TYPE=square>Best One Liner (<A HREF="years.html#1987_korn">1987/korn/korn.c</A>)
 </UL><BR>
 
-<!-- XXX remove when 2020 is ready
 <LI TYPE=none><A NAME="Ilya_Kurdyukov"></A><B>Ilya Kurdyukov</B> -- <A HREF="https://github.com/ilyakurdyukov">https://github.com/ilyakurdyukov</a>
 <UL>
 <LI TYPE=square>Bset slaml prragom (<A HREF="years.html#2020_kurdyukov3">2020/kurdyukov3/kurdyukov3.c</A>)
@@ -743,7 +732,6 @@ XXX remove when 2020 is ready -->
 <LI TYPE=square>Least detailed (<A HREF="years.html#2020_kurdyukov2">2020/kurdyukov2/kurdyukov2.c</A>)
 <LI TYPE=square>Best abuse of lámatyávë (<A HREF="years.html#2020_kurdyukov4">2020/kurdyukov4/kurdyukov4.c</A>)
 </UL><BR>
-XXX remove when 2020 is ready -->
 
 </UL>
 
@@ -944,12 +932,10 @@ XXX remove when 2020 is ready -->
 <LI TYPE=square>Best Small Program (<A HREF="years.html#1990_baruch">1990/baruch.c</A>)
 </UL><BR>
 
-<!-- XXX remove when 2020 is ready
 <LI TYPE=none><A NAME="Nathan_Otterness"></A><B>Nathan Otterness</B> -- <A HREF="https://github.com/yalue">https://github.com/yalue</a>
 <UL>
 <LI TYPE=square>Most percussive (<A HREF="years.html#2020_otterness">2020/otterness/otterness.c</A>)
 </UL><BR>
-XXX remove when 2020 is ready -->
 
 </UL>
 
@@ -1197,12 +1183,10 @@ XXX remove when 2020 is ready -->
 <LI TYPE=square>Most functional (<A HREF="years.html#2012_tromp">2012/tromp/tromp.c</A>)
 </UL><BR>
 
-<!-- XXX remove when 2020 is ready
 <LI TYPE=none><A NAME="_tsoj"></A><B><a href="&#109;a&#x69;&#108;&#x74;&#111;:&#x74;&#x73;&#111;&#x6A;&#x2E;&#x74;&#x73;&#111;j&#x40;&#103;&#109;&#x78;&#46;&#x64;&#x65;">tsoj</a></B> -- <A HREF="https://gitlab.com/tsoj">https://gitlab.com/tsoj</a>
 <UL>
 <LI TYPE=square>Most misleading indentation (<A HREF="years.html#2020_tsoj">2020/tsoj/tsoj.c</A>)
 </UL><BR>
-XXX remove when 2020 is ready -->
 
 </UL>
 
@@ -1338,9 +1322,7 @@ XXX remove when 2020 is ready -->
 <LI TYPE=square>Most Pointed Reaction (<A HREF="years.html#2015_yang">2015/yang/yang.c</A>)
 <LI TYPE=square>Most shifty (<A HREF="years.html#2018_yang">2018/yang/prog.c</A>)
 <LI TYPE=square>Most in need of transparency (<A HREF="years.html#2019_yang">2019/yang/prog.c</A>)
-<!-- XXX remove when 2020 is ready
 <LI TYPE=square>Best abuse of CPP (<A HREF="years.html#2020_yang">2020/yang/yang.c</A>)
-XXX remove when 2020 is ready -->
 </UL><BR>
 
 </UL>
diff --git a/years-spoiler.html b/years-spoiler.html
index 68d3ff22f..cfde0f47a 100644
--- a/years-spoiler.html
+++ b/years-spoiler.html
@@ -23,11 +23,7 @@ Contest </I></FONT></CENTER>
 <B>Winning entries</B> ]</P></CENTER>
 <BR>
 
-<DIV style="margin-left:10%; margin-right:10%;" align="center"> [ 
-<!-- XXX remove when 2020 is ready
-<A HREF="#2020">2020</A> | 
-XXX remove when 2020 is ready -->
-<A HREF="#2019">2019</A> | <A HREF="#2018">2018</A> | <A HREF="#2015">2015</A> | <A HREF="#2014">2014</A> | <A HREF="#2013">2013</A> | <A HREF="#2012">2012</A> | <A HREF="#2011">2011</A> | <A HREF="#2006">2006</A> | <A HREF="#2005">2005</A> | <A HREF="#2004">2004</A> | <A HREF="#2001">2001</A> | <A HREF="#2000">2000</A> | <A HREF="#1998">1998</A> | <A HREF="#1996">1996</A> | <A HREF="#1995">1995</A> | <A HREF="#1994">1994</A> | <A HREF="#1993">1993</A> | <A HREF="#1992">1992</A> | <A HREF="#1991">1991</A> | <A HREF="#1990">1990</A> | <A HREF="#1989">1989</A> | <A HREF="#1988">1988</A> | <A HREF="#1987">1987</A> | <A HREF="#1986">1986</A> | <A HREF="#1985">1985</A> | <A HREF="#1984">1984</A> | <A HREF="#ALL">ALL</A> ] </DIV>
+<DIV style="margin-left:10%; margin-right:10%;" align="center"> [ <A HREF="#2020">2020</A> | <A HREF="#2019">2019</A> | <A HREF="#2018">2018</A> | <A HREF="#2015">2015</A> | <A HREF="#2014">2014</A> | <A HREF="#2013">2013</A> | <A HREF="#2012">2012</A> | <A HREF="#2011">2011</A> | <A HREF="#2006">2006</A> | <A HREF="#2005">2005</A> | <A HREF="#2004">2004</A> | <A HREF="#2001">2001</A> | <A HREF="#2000">2000</A> | <A HREF="#1998">1998</A> | <A HREF="#1996">1996</A> | <A HREF="#1995">1995</A> | <A HREF="#1994">1994</A> | <A HREF="#1993">1993</A> | <A HREF="#1992">1992</A> | <A HREF="#1991">1991</A> | <A HREF="#1990">1990</A> | <A HREF="#1989">1989</A> | <A HREF="#1988">1988</A> | <A HREF="#1987">1987</A> | <A HREF="#1986">1986</A> | <A HREF="#1985">1985</A> | <A HREF="#1984">1984</A> | <A HREF="#ALL">ALL</A> ] </DIV>
 
 <BR>
 <HR>
@@ -36,7 +32,6 @@ XXX remove when 2020 is ready -->
 
 
 
-<!-- XXX remove when 2020 is ready
 <H2><A NAME="2020"></A>27th International Obfuscated C Code Contest  (2020)</H2>
 <UL TYPE=square>
 <LI><A HREF="2020/2020.tar.bz2">2020.tar.bz2</A>  - all of the data for 2020 (0.0 Bytes)
@@ -237,7 +232,6 @@ XXX remove when 2020 is ready -->
 <LI><A HREF="2020/yang/prog.c">prog.c</A>
 </UL>
 <HR>
-XXX remove when 2020 is ready -->
 <H2><A NAME="2019"></A>26th International Obfuscated C Code Contest  (2019)</H2>
 <UL TYPE=square>
 <LI><A HREF="2019/2019.tar.bz2">2019.tar.bz2</A>  - all of the data for 2019 (6.1 MiB)
diff --git a/years.html b/years.html
index bc82c51a0..54b0d7a89 100644
--- a/years.html
+++ b/years.html
@@ -23,11 +23,7 @@ Contest </I></FONT></CENTER>
 <B>Winning entries</B> ]</P></CENTER>
 <BR>
 
-<DIV style="margin-left:10%; margin-right:10%;" align="center"> [ 
-<!-- XXX remove when 2020 is ready
-<A HREF="#2020">2020</A> | 
-XXX remove when 2020 is ready -->
-<A HREF="#2019">2019</A> | <A HREF="#2018">2018</A> | <A HREF="#2015">2015</A> | <A HREF="#2014">2014</A> | <A HREF="#2013">2013</A> | <A HREF="#2012">2012</A> | <A HREF="#2011">2011</A> | <A HREF="#2006">2006</A> | <A HREF="#2005">2005</A> | <A HREF="#2004">2004</A> | <A HREF="#2001">2001</A> | <A HREF="#2000">2000</A> | <A HREF="#1998">1998</A> | <A HREF="#1996">1996</A> | <A HREF="#1995">1995</A> | <A HREF="#1994">1994</A> | <A HREF="#1993">1993</A> | <A HREF="#1992">1992</A> | <A HREF="#1991">1991</A> | <A HREF="#1990">1990</A> | <A HREF="#1989">1989</A> | <A HREF="#1988">1988</A> | <A HREF="#1987">1987</A> | <A HREF="#1986">1986</A> | <A HREF="#1985">1985</A> | <A HREF="#1984">1984</A> | <A HREF="#ALL">ALL</A> ] </DIV>
+<DIV style="margin-left:10%; margin-right:10%;" align="center"> [ <A HREF="#2020">2020</A> | <A HREF="#2019">2019</A> | <A HREF="#2018">2018</A> | <A HREF="#2015">2015</A> | <A HREF="#2014">2014</A> | <A HREF="#2013">2013</A> | <A HREF="#2012">2012</A> | <A HREF="#2011">2011</A> | <A HREF="#2006">2006</A> | <A HREF="#2005">2005</A> | <A HREF="#2004">2004</A> | <A HREF="#2001">2001</A> | <A HREF="#2000">2000</A> | <A HREF="#1998">1998</A> | <A HREF="#1996">1996</A> | <A HREF="#1995">1995</A> | <A HREF="#1994">1994</A> | <A HREF="#1993">1993</A> | <A HREF="#1992">1992</A> | <A HREF="#1991">1991</A> | <A HREF="#1990">1990</A> | <A HREF="#1989">1989</A> | <A HREF="#1988">1988</A> | <A HREF="#1987">1987</A> | <A HREF="#1986">1986</A> | <A HREF="#1985">1985</A> | <A HREF="#1984">1984</A> | <A HREF="#ALL">ALL</A> ] </DIV>
 
 <BR>
 <HR>
@@ -43,7 +39,6 @@ a summary description of all of the winners.  </P>
 
 
 
-<!-- XXX remove when 2020 is ready
 <H2><A NAME="2020"></A>27th International Obfuscated C Code Contest  (2020)</H2>
 <UL TYPE=square>
 <LI><A HREF="2020/2020.tar.bz2">2020.tar.bz2</A>  - all of the data for 2020 (0.0 Bytes)
@@ -244,7 +239,6 @@ a summary description of all of the winners.  </P>
 <LI><A HREF="2020/yang/prog.c">prog.c</A>
 </UL>
 <HR>
-XXX remove when 2020 is ready -->
 <H2><A NAME="2019"></A>26th International Obfuscated C Code Contest  (2019)</H2>
 <UL TYPE=square>
 <LI><A HREF="2019/2019.tar.bz2">2019.tar.bz2</A>  - all of the data for 2019 (6.1 MiB)