June 21, 2021, 10:13 p.m. "HSCTF 8" scoreboard added.

June 20, 2021, 5:08 p.m. "WeCTF 2021" scoreboard added.

June 15, 2021, 9:55 a.m. "CTFZone 2021" dates changed.

June 14, 2021, 7:17 a.m. Team "Flag Smasher" added as an alias to "Fl4g Sm4sher".

June 14, 2021, 12:22 a.m. "BCACTF 2.0" scoreboard added.

June 13, 2021, 8:17 p.m. "Circle City Con CTF 2021" scoreboard added.

June 13, 2021, 3:15 p.m. "THC CTF 2021" scoreboard added.

June 12, 2021, 10:29 p.m. "FAUST CTF 2021" scoreboard added.

June 10, 2021, 10:25 a.m. Team "MeuSec" added as an alias to "Meu_Sec".

June 10, 2021, 10:25 a.m. Team "544D13N5_" added as an alias to "544D13N5".

June 10, 2021, 10:25 a.m. Team "BYU Cyber" added as an alias to "BYU Cyberia".

June 10, 2021, 10:25 a.m. Team "mcmayh靶m" added as an alias to "mcmayhem".

June 10, 2021, 10:25 a.m. Team "LeCyeberSchiappe" added as an alias to "Le CyberSchiappe".

June 10, 2021, 10:25 a.m. Team "SilverCatalysts" added as an alias to "Silver Catalysts".

June 10, 2021, 10:25 a.m. Team "potatoSlayers" added as an alias to "ARESx".

June 10, 2021, 10:24 a.m. "ImaginaryCTF 2021" is publically votable.

June 10, 2021, 10:24 a.m. "ImaginaryCTF 2021" published.

June 10, 2021, 10:24 a.m. "Hacky Holidays - Space Race" is publically votable.

June 10, 2021, 10:24 a.m. "Hacky Holidays - Space Race" published.

June 10, 2021, 10:24 a.m. "IJCTF 2021" is publically votable.

June 10, 2021, 10:24 a.m. "IJCTF 2021" published.

June 7, 2021, 8:07 a.m. "S.H.E.L.L. CTF" scoreboard added.

June 7, 2021, 4:16 a.m. "FreedomCTF Spring 2021" scoreboard added.

June 7, 2021, 2:28 a.m. "wtfctf" scoreboard added.

June 6, 2021, 11:02 a.m. "Zh3r0 CTF V2" scoreboard added.

June 5, 2021, 6:23 p.m. "wtfctf" scoreboard added.

June 3, 2021, 12:03 p.m. "CyberThreatForce CTF V1 | 2021" is publically votable.

June 3, 2021, 12:03 p.m. "CyberThreatForce CTF V1 | 2021" published.

June 3, 2021, 12:03 p.m. "THC CTF 2021" is publically votable.

June 3, 2021, 12:03 p.m. "THC CTF 2021" published.

June 2, 2021, 6:49 p.m. "ICHSA CTF 2021" scoreboard added.

May 30, 2021, 6:03 p.m. "Pwn2Win CTF 2021" scoreboard added.

May 28, 2021, 8:04 a.m. "Securinets CTF Finals 2021" scoreboard added.

May 28, 2021, 5:52 a.m. Team "cessiri" added as an alias to "IrisSec".

May 28, 2021, 5:52 a.m. Team "mcmayh\u2630m" added as an alias to "mcmayhem".

May 28, 2021, 5:52 a.m. Team "IKB4L-VUL7" added as an alias to "ik6@1-vu17".

May 28, 2021, 5:52 a.m. Team "ChaGU Seniors" added as an alias to "ChaGU".

May 28, 2021, 5:52 a.m. Team "TheInfinityBytes" added as an alias to "The Infinity Bytes".

May 28, 2021, 5:52 a.m. Team "KeyboardMonkeys" added as an alias to "Keyboard Monkeys".

May 28, 2021, 5:52 a.m. Team "BabySealClub" added as an alias to "Baby Seal Club".

May 28, 2021, 5:52 a.m. Team "peanutbutterjar" added as an alias to "PeanutButter.jar".

May 28, 2021, 5:52 a.m. Team "UQCyberB" added as an alias to "UQ Cyber".

May 28, 2021, 5:52 a.m. Team "UQCyberA" added as an alias to "UQCyberSquad".

May 28, 2021, 5:52 a.m. Team "burnerherz0g" added as an alias to "burner_herz0g".

May 28, 2021, 5:52 a.m. Team "S3R3N1TY" added as an alias to "S3R3N1TY{CTFT}".

May 28, 2021, 5:52 a.m. Team "DizzySpell" added as an alias to "Dizzy spell".

May 28, 2021, 5:52 a.m. Team "d@zzling n00bs" added as an alias to "d@zzl1ng n00b5".

May 28, 2021, 5:52 a.m. Team "neuland-ingolstadt" added as an alias to "neuland".

May 28, 2021, 5:52 a.m. Team "Contagion" added as an alias to "TeamContagion".

May 28, 2021, 5:52 a.m. Team "sshuzl" added as an alias to "ssh@uzl".