April 26, 2021, 4:19 a.m. "TAMUctf 2021" scoreboard added.

April 25, 2021, 6:25 a.m. "S4CTF 2021" scoreboard added.

April 23, 2021, 10:34 p.m. "Cyber Apocalypse 2021" scoreboard added.

April 23, 2021, 9:26 a.m. "Securebug.se CTF Odin 2021" scoreboard added.

April 20, 2021, 11:03 p.m. "Great Lakes Security Conference CTF" scoreboard added.

April 20, 2021, 6:53 a.m. "MidnightFlag CTF" published.

April 20, 2021, 6:53 a.m. "ImaginaryCTF" published.

April 20, 2021, 6:53 a.m. "FarEastCTF - 2021" published.

April 20, 2021, 6:52 a.m. "Circle City Con CTF 2021" is publically votable.

April 20, 2021, 6:52 a.m. "Circle City Con CTF 2021" published.

April 20, 2021, 6:52 a.m. "CyberSecurityRumble CTF" is publically votable.

April 20, 2021, 6:52 a.m. "CyberSecurityRumble CTF" published.

April 20, 2021, 6:52 a.m. "The Threat Interceptors Challenge" is publically votable.

April 20, 2021, 6:52 a.m. "The Threat Interceptors Challenge" published.

April 20, 2021, 6:52 a.m. "TSG CTF 2021" is publically votable.

April 20, 2021, 6:52 a.m. "TSG CTF 2021" published.

April 20, 2021, 6:51 a.m. "RaRCTF 2021" is publically votable.

April 20, 2021, 6:51 a.m. "RaRCTF 2021" published.

April 20, 2021, 6:51 a.m. "The Cyber Grabs CTF 2020" published.

April 20, 2021, 3:05 a.m. "PlaidCTF 2021" scoreboard added.

April 19, 2021, 11:51 p.m. "FarEastCTF - 2021" dates changed.

April 19, 2021, 8:04 a.m. "Bambi CTF #5" scoreboard added.

April 18, 2021, 11:11 p.m. "UMDCTF 2021" scoreboard added.

April 18, 2021, 10:11 p.m. "UMDCTF 2021" scoreboard added.

April 18, 2021, 2:43 p.m. "Incognito 2.0" scoreboard added.

April 17, 2021, 9:17 p.m. "HackPack CTF 2021" scoreboard added.

April 15, 2021, 6:55 p.m. "Great Lakes Security Conference CTF" is publically votable.

April 15, 2021, 6:55 p.m. "Great Lakes Security Conference CTF" published.

April 15, 2021, 6:54 p.m. "PwnTillDawn Online Battlefield - Goodwill Edition 2021" is publically votable.

April 15, 2021, 6:54 p.m. "PwnTillDawn Online Battlefield - Goodwill Edition 2021" published.

April 15, 2021, 6:54 p.m. "CTF InterIUT 2021" is publically votable.

April 15, 2021, 6:54 p.m. "CTF InterIUT 2021" published.

April 15, 2021, 6:54 p.m. "ENOWARS 5" is publically votable.

April 15, 2021, 6:54 p.m. "ENOWARS 5" published.

April 15, 2021, 6:54 p.m. "VolgaCTF 2021 Final" is publically votable.

April 15, 2021, 6:54 p.m. "VolgaCTF 2021 Final" published.

April 15, 2021, 6:53 p.m. "iCTF" is publically votable.

April 15, 2021, 6:53 p.m. "iCTF" published.

April 15, 2021, 6:53 p.m. "ImaginaryCTF" published.

April 14, 2021, 11:12 p.m. "Great Lakes Security Conference CTF" dates changed.

April 14, 2021, 12:55 p.m. Team "rui.silva" added as an alias to "ruisilva".

April 14, 2021, 12:55 p.m. Team "Albany" added as an alias to "Czech Cyber Team".

April 14, 2021, 12:55 p.m. Team "salmonpwn" added as an alias to "redpwn".

April 14, 2021, 12:55 p.m. Team "vagabond" added as an alias to "p0rkan0x".

April 13, 2021, 2:13 a.m. "RITSEC CTF 2021" scoreboard added.

April 11, 2021, 6:15 p.m. "GLSC CTF" dates changed.

April 11, 2021, 10:34 a.m. "Pragyan CTF 2021" scoreboard added.

April 11, 2021, 2:39 a.m. "BSides Canberra 2021 CTF" scoreboard added.

April 10, 2021, 6:25 p.m. "Midnight Sun CTF 2021 Quals" scoreboard added.

April 9, 2021, 8:29 a.m. Team "suckstobeus" added as an alias to "notaflag{sorry}".