NameDateFormatLocationWeightNotes
Crypto CTF 202130 July, 16:00 UTC — 31 July 2021, 16:00 UTCJeopardy On-line 36.000 teams will participate
WeCTF 202119 June, 17:00 UTC — 20 June 2021, 17:00 UTCJeopardy On-line 25.002 teams will participate
Pwn2Win CTF 202128 May, 16:37 UTC — 30 May 2021, 16:37 UTCJeopardy On-line 83.414 teams will participate
saarCTF 202108 May, 13:00 UTC — 08 May 2021, 22:00 UTCAttack-Defense On-line 24.423 teams will participate
San Diego CTF 202108 May, 00:00 UTC — 10 May 2021, 00:00 UTCJeopardy On-line 0.003 teams will participate
DEF CON CTF Qualifier 202101 May, 00:00 UTC — 03 May 2021, 00:00 UTCJeopardy On-line 80.9214 teams will participate
WPICTF 202123 April, 22:00 UTC — 25 April 2021, 22:00 UTCJeopardy On-line 36.403 teams will participate
Bambi CTF #517 April, 10:00 UTC — 17 April 2021, 16:00 UTCAttack-Defense On-line 0.000 teams will participate
PlaidCTF 202116 April, 21:00 UTC — 18 April 2021, 21:00 UTCJeopardy On-line 99.6413 teams will participate
Midnight Sun CTF 2021 Quals09 April, 17:00 UTC — 10 April 2021, 17:00 UTCJeopardy On-line 50.3212 teams will participate
b01lers CTF03 April, 22:00 UTC — 05 April 2021, 22:00 UTCJeopardy On-line 22.990 teams will participate
Shakti CTF03 April, 06:30 UTC — 04 April 2021, 18:30 UTCJeopardy On-line 25.000 teams will participate
ALLES! CTF 2021 HW Edition01 April, 15:00 UTC — 01 April 2021, 23:00 UTCAttack-Defense On-line 36.350 teams will participate
VolgaCTF 2021 Qualifier27 March, 14:00 UTC — 28 March 2021, 14:00 UTCJeopardy On-line 32.7311 teams will participate
SPRUSH CTF Quals 202121 March, 07:00 UTC — 21 March 2021, 21:00 UTCJeopardy On-line 0.004 teams will participate
PoseidonCTF 2nd Edition20 March, 13:37 UTC — 22 March 2021, 01:37 UTCJeopardy On-line 24.7810 teams will participate
UTCTF 202113 March, 00:00 UTC — 15 March 2021, 00:00 UTCJeopardy On-line 34.1119 teams will participate
Aero CTF 202127 Feb., 09:00 UTC — 28 Feb. 2021, 09:00 UTCJeopardy On-line 35.1726 teams will participate
darkCON CTF20 Feb., 10:30 UTC — 21 Feb. 2021, 10:30 UTCJeopardy On-line 0.0012 teams will participate
Union CTF 202119 Feb., 19:00 UTC — 21 Feb. 2021, 19:00 UTCJeopardy On-line 0.0012 teams will participate
DiceCTF 202106 Feb., 00:00 UTC — 08 Feb. 2021, 00:00 UTCJeopardy On-line 0.0039 teams will participate
justCTF [*] 202030 Jan., 06:00 UTC — 31 Jan. 2021, 19:00 UTCJeopardy On-line 24.85183 teams will participate
Shadow CTF26 Jan., 00:00 UTC — 27 Jan. 2021, 00:00 UTCJeopardy On-line 0.0071 teams will participate
0x41414141 CTF23 Jan., 17:00 UTC — 30 Jan. 2021, 17:00 UTCJeopardy On-line 0*missing the scoreboard
The Cyber Grabs CTF 0x0217 Jan., 04:30 UTC — 17 Jan. 2021, 10:30 UTCJeopardy On-line 18.12
BambooFox CTF 202116 Jan., 02:00 UTC — 18 Jan. 2021, 02:00 UTCJeopardy On-line 0*
*CTF 202116 Jan., 01:00 UTC — 18 Jan. 2021, 01:00 UTCJeopardy On-line 0*
ISFCR Hackathon 202115 Jan., 05:30 UTC — 17 Jan. 2021, 05:30 UTCJeopardy On-line 0.00
0xL4ughCTF14 Jan., 12:00 UTC — 16 Jan. 2021, 12:00 UTCJeopardy24.44
Real World CTF 3rd09 Jan., 02:00 UTC — 11 Jan. 2021, 02:00 UTCJeopardy On-line 37.00
HAC-SEC 21'04 Jan., 04:00 UTC — 05 Jan. 2021, 04:00 UTCJeopardy On-line 22.35missing the scoreboard
Global CyberPeace Challenge 2.0 CTF-IT03 Jan., 03:30 UTC — 15 Jan. 2021, 18:30 UTCJeopardy On-line 0missing the scoreboard
TetCTF 202101 Jan., 00:00 UTC — 03 Jan. 2021, 00:00 UTCJeopardy On-line 25.00