NameDateFormatLocationWeightNotes
0CTF/TCTF 2021 Finals25 Sept., 02:00 UTC — 27 Sept. 2021, 02:00 UTCJeopardy On-line 95.00*missing the scoreboard
ChaffCTF 202124 Sept., 20:00 UTC — 26 Sept. 2021, 20:00 UTCJeopardy On-line 0.00missing the scoreboard
Sunshine CTF 202118 Sept., 14:00 UTC — 19 Sept. 2021, 14:00 UTCJeopardy On-line 23.34
Trend Micro CTF 2021 - Raimund Genes Cup - Online Qualifier18 Sept., 04:00 UTC — 19 Sept. 2021, 04:00 UTCJeopardy On-line 10.33
Overflow To Fall17 Sept., 22:00 UTC — 19 Sept. 2021, 22:00 UTCJeopardy On-line 0.00missing the scoreboard
PBjar CTF '2117 Sept., 09:00 UTC — 19 Sept. 2021, 20:59 UTCJeopardy On-line 22.48
H@cktivityCon 2021 CTF16 Sept., 20:30 UTC — 18 Sept. 2021, 20:30 UTCJeopardy On-line 24.98
COMPFEST CTF 202112 Sept., 08:00 UTC — 13 Sept. 2021, 08:00 UTCJeopardy On-line 21.22
TsukuCTF 202111 Sept., 03:00 UTC — 12 Sept. 2021, 02:59 UTCJeopardy On-line 0.00
RCTF 202111 Sept., 01:00 UTC — 13 Sept. 2021, 01:00 UTCJeopardy On-line 69.20
CSAW CTF Qualification Round 202110 Sept., 20:00 UTC — 12 Sept. 2021, 20:00 UTCJeopardy On-line 23.75
TMUCTF 202108 Sept., 10:30 UTC — 10 Sept. 2021, 04:30 UTCJeopardy On-line 22.26
GrabCON CTF 202104 Sept., 10:30 UTC — 05 Sept. 2021, 10:30 UTCJeopardy On-line 23.08
ALLES! CTF 202103 Sept., 16:00 UTC — 05 Sept. 2021, 04:00 UTCJeopardy On-line 36.35
WORMCON 0x0128 Aug., 10:30 UTC — 29 Aug. 2021, 10:30 UTCJeopardy On-line 22.47
WMCTF 202128 Aug., 01:00 UTC — 30 Aug. 2021, 01:00 UTCJeopardy On-line 25.00
FwordCTF 202127 Aug., 17:00 UTC — 29 Aug. 2021, 05:00 UTCJeopardy On-line 24.42
YauzaCTF 202127 Aug., 12:00 UTC — 29 Aug. 2021, 12:00 UTCJeopardy On-line 21.73
HITB SECCONF EDU CTF 202127 Aug., 10:00 UTC — 27 Aug. 2021, 21:00 UTCAttack-Defense On-line 23.15
corCTF 202121 Aug., 00:00 UTC — 23 Aug. 2021, 00:00 UTCJeopardy On-line 24.92
Web-vkl CTF21 Aug., 00:00 UTC — 22 Aug. 2021, 00:00 UTCJeopardy On-line 0.00missing the scoreboard
Hacker's Playground 202116 Aug., 06:00 UTC — 17 Aug. 2021, 06:00 UTCJeopardy On-line 24.50
Really Awesome CTF 202113 Aug., 19:00 UTC — 16 Aug. 2021, 19:00 UTCJeopardy On-line 23.49
InCTF 202113 Aug., 13:30 UTC — 15 Aug. 2021, 13:30 UTCJeopardy On-line 70.41
RCTS CERT 2021 Defending the SOC10 Aug., 13:00 UTC — 11 Aug. 2021, 13:00 UTCJeopardy On-line 23.45
BSides Noida CTF07 Aug., 10:30 UTC — 08 Aug. 2021, 10:30 UTCJeopardy On-line 24.43
RaRCTF 202106 Aug., 17:00 UTC — 09 Aug. 2021, 17:00 UTCJeopardy On-line 24.69
RTLxHA CTF 2131 July, 05:00 UTC — 01 Aug. 2021, 17:00 UTCJeopardy On-line 24.36
UIUCTF 202131 July, 00:00 UTC — 02 Aug. 2021, 00:00 UTCJeopardy On-line 23.76
Crypto CTF 202130 July, 16:00 UTC — 31 July 2021, 16:00 UTCJeopardy On-line 36.00
CyBRICS CTF 202124 July, 10:00 UTC — 25 July 2021, 10:00 UTCJeopardy On-line 33.32
IJCTF 202124 July, 07:30 UTC — 25 July 2021, 07:30 UTCJeopardy On-line 23.39
ImaginaryCTF 202123 July, 16:00 UTC — 27 July 2021, 16:00 UTCJeopardy On-line 24.64
HTB Business CTF 202123 July, 12:00 UTC — 25 July 2021, 18:00 UTCJeopardy On-line 24.33
Securebug.se CTF Loki 202119 July, 14:00 UTC — 21 July 2021, 14:00 UTCJeopardy On-line 22.58
BSidesTLV 2021 CTF19 July, 06:00 UTC — 21 July 2021, 06:00 UTCJeopardy On-line 21.38
CyberSci Nationals 202117 July, 12:00 UTC — 18 July 2021, 16:00 UTCJeopardy On-line 0Academic teams only
Google Capture The Flag 202117 July, 00:00 UTC — 18 July 2021, 23:59 UTCJeopardy On-line 99.22
Lexington Informatics Tournament CTF 202116 July, 11:00 UTC — 18 July 2021, 23:59 UTCJeopardy On-line 24.40
CSCML CTF 202114 July, 12:00 UTC — 21 July 2021, 12:00 UTCJeopardy On-line 0missing the scoreboard
Securebug.se CTF 19 july12 July, 14:00 UTC — 14 July 2021, 14:00 UTCJeopardy On-line 0.00missing the scoreboard
TyphoonCon CTF 202112 July, 12:00 UTC — 15 July 2021, 12:00 UTCJeopardy On-line 22.00
ENOWARS 510 July, 12:00 UTC — 10 July 2021, 22:00 UTCAttack-Defense On-line 44.33
redpwnCTF 202109 July, 19:00 UTC — 12 July 2021, 19:00 UTCJeopardy On-line 32.61
Capture the Signal CTF 202109 July, 17:00 UTC — 10 July 2021, 20:00 UTCHack quest On-line 0.00missing the scoreboard
Hospital Under Siege08 July, 15:00 UTC — 08 July 2021, 19:00 UTCHack quest On-line 0.00missing the scoreboard
0CTF/TCTF 2021 Quals 03 July, 02:00 UTC — 05 July 2021, 02:00 UTCJeopardy On-line 86.71
CyberThreatForce CTF | 202102 July, 22:00 UTC — 04 July 2021, 22:00 UTCJeopardy On-line 24.00
Hacky Holidays - Space Race02 July, 10:00 UTC — 26 July 2021, 10:00 UTCJeopardy On-line 0
Hack-A-Sat 2 Qualifiers26 June, 14:00 UTC — 27 June 2021, 20:00 UTCJeopardy On-line 25.00
CTFZone 202126 June, 10:00 UTC — 26 June 2021, 23:27 UTCAttack-Defense On-line 90.00
WeCTF 202119 June, 17:00 UTC — 20 June 2021, 17:00 UTCJeopardy On-line 25.00
CTF InterIUT 202118 June, 20:00 UTC — 19 June 2021, 23:59 UTCJeopardy On-line 0Academic teams only
The Threat Interceptors Challenge14 June, 15:00 UTC — 16 June 2021, 15:00 UTCJeopardy On-line 0.00missing the scoreboard
HSCTF 814 June, 12:00 UTC — 19 June 2021, 00:00 UTCJeopardy On-line 24.50
MCSC CTF 202112 June, 22:00 UTC — 13 June 2021, 10:00 UTCJeopardy On-line 0.00missing the scoreboard
FAUST CTF 202112 June, 13:00 UTC — 12 June 2021, 22:00 UTCAttack-Defense On-line 100.00
THC CTF 202112 June, 07:00 UTC — 13 June 2021, 14:00 UTCJeopardy On-line 24.00
Circle City Con CTF 202111 June, 16:00 UTC — 13 June 2021, 19:00 UTCJeopardy On-line 25.00
BCACTF 2.011 June, 00:00 UTC — 14 June 2021, 00:00 UTCJeopardy On-line 24.42
S.H.E.L.L. CTF05 June, 06:30 UTC — 07 June 2021, 06:30 UTCJeopardy On-line 23.76
FreedomCTF Spring 202104 June, 11:59 UTC — 06 June 2021, 11:59 UTCJeopardy On-line 0School teams only
Zh3r0 CTF V204 June, 10:30 UTC — 06 June 2021, 10:30 UTCJeopardy On-line 21.85
wtfctf03 June, 00:00 UTC — 05 June 2021, 23:59 UTCJeopardy On-line 18.64
ICHSA CTF 202131 May, 18:00 UTC — 02 June 2021, 17:00 UTCJeopardy On-line 25.00
Pwn2Win CTF 202128 May, 16:37 UTC — 30 May 2021, 16:37 UTCJeopardy On-line 83.41
Securinets CTF Finals 202122 May, 10:00 UTC — 22 May 2021, 16:00 UTCJeopardy On-line 0.00Prequalified teams only
NorthSec 202121 May, 23:30 UTC — 23 May 2021, 19:00 UTCHack quest On-line 24.00
NorzhCTF 202121 May, 18:00 UTC — 23 May 2021, 18:00 UTCHack quest On-line 24.83
3kCTF-202115 May, 11:00 UTC — 16 May 2021, 17:00 UTCJeopardy On-line 24.14
m0leCon CTF 2021 Teaser14 May, 17:00 UTC — 15 May 2021, 17:00 UTCJeopardy On-line 24.55
DCTF 202114 May, 15:00 UTC — 16 May 2021, 21:59 UTCJeopardy On-line 24.15
saarCTF 202108 May, 13:00 UTC — 08 May 2021, 22:00 UTCAttack-Defense On-line 24.42
PwnTillDawn Online Battlefield - Goodwill Edition 202108 May, 05:00 UTC — 09 May 2021, 05:00 UTCHack quest On-line 0.00
San Diego CTF 202108 May, 00:00 UTC — 10 May 2021, 00:00 UTCJeopardy On-line 24.44
DawgCTF 202107 May, 22:00 UTC — 08 May 2021, 22:00 UTCJeopardy On-line 23.29
Hack Zone Tunisia 202101 May, 21:00 UTC — 02 May 2021, 09:00 UTCJeopardy On-line 48.96missing the scoreboard
DEF CON CTF Qualifier 202101 May, 00:00 UTC — 03 May 2021, 00:00 UTCJeopardy On-line 80.92
WPICTF 202123 April, 22:00 UTC — 25 April 2021, 22:00 UTCJeopardy On-line 36.40
HeroCTF v323 April, 20:00 UTC — 25 April 2021, 22:00 UTCJeopardy On-line 24.21
TAMUctf 202122 April, 23:00 UTC — 25 April 2021, 23:00 UTCJeopardy On-line 24.92
S4CTF 202122 April, 17:30 UTC — 24 April 2021, 17:30 UTCJeopardy On-line 24.56
Securebug.se CTF Odin 202120 April, 14:00 UTC — 22 April 2021, 14:00 UTCJeopardy On-line 17.90
Cyber Apocalypse 202119 April, 12:00 UTC — 23 April 2021, 18:00 UTCJeopardy On-line 24.33
Bambi CTF #517 April, 10:00 UTC — 17 April 2021, 16:00 UTCAttack-Defense On-line 24.50
Great Lakes Security Conference CTF16 April, 22:00 UTC — 19 April 2021, 22:00 UTCJeopardy On-line 24.60
PlaidCTF 202116 April, 21:00 UTC — 18 April 2021, 21:00 UTCJeopardy On-line 99.64
UMDCTF 202116 April, 21:00 UTC — 18 April 2021, 21:00 UTCJeopardy On-line 24.02
Incognito 2.016 April, 18:30 UTC — 18 April 2021, 12:30 UTCJeopardy On-line 20.75
HackPack CTF 202116 April, 15:00 UTC — 17 April 2021, 15:00 UTCJeopardy On-line 24.31
_EVENT CHANGED_16 April, 14:00 UTC — 16 April 2021, 22:00 UTCJeopardy On-line 24.31missing the scoreboard
MidnightFlag CTF10 April, 22:00 UTC — 11 April 2021, 06:00 UTCJeopardy On-line 0.00missing the scoreboard
Midnight Sun CTF 2021 Quals09 April, 17:00 UTC — 10 April 2021, 17:00 UTCJeopardy On-line 50.32
RITSEC CTF 202109 April, 16:00 UTC — 11 April 2021, 16:00 UTCJeopardy On-line 26.81
Pragyan CTF 202108 April, 00:00 UTC — 09 April 2021, 23:59 UTCJeopardy On-line 11.91
b01lers CTF03 April, 22:00 UTC — 05 April 2021, 22:00 UTCJeopardy On-line 22.99
Shakti CTF03 April, 06:30 UTC — 04 April 2021, 18:30 UTCJeopardy On-line 25.00missing the scoreboard
√•ngstromCTF 202103 April, 00:00 UTC — 07 April 2021, 23:59 UTCJeopardy On-line 46.09
ImaginaryCTF01 April, 16:00 UTC — 30 April 2021, 16:00 UTCJeopardy On-line 0missing the scoreboard
ALLES! CTF 2021 HW Edition01 April, 15:00 UTC — 01 April 2021, 23:00 UTCAttack-Defense On-line 36.35missing the scoreboard
X-MAS GTF 202101 April, 00:00 UTC — 02 April 2021, 00:00 UTCJeopardy On-line 25.00
FooBar CTF 202131 March, 18:30 UTC — 01 April 2021, 18:30 UTCJeopardy On-line 21.54
VolgaCTF 2021 Qualifier27 March, 14:00 UTC — 28 March 2021, 14:00 UTCJeopardy On-line 32.73
CS166 x FSAB CTF 202127 March, 00:00 UTC — 28 March 2021, 00:00 UTCJeopardy On-line 0Academic teams only
UMassCTF 202126 March, 22:00 UTC — 28 March 2021, 22:00 UTCJeopardy On-line 23.50
SPRUSH CTF Quals 202121 March, 07:00 UTC — 21 March 2021, 21:00 UTCJeopardy On-line 22.25
Securinets CTF Quals 202120 March, 17:00 UTC — 21 March 2021, 17:00 UTCJeopardy On-line 41.71
PoseidonCTF 2nd Edition **cancelled**20 March, 13:37 UTC — 22 March 2021, 01:37 UTCJeopardy On-line 24.78missing the scoreboard
LINE CTF 202120 March, 00:00 UTC — 21 March 2021, 00:00 UTCJeopardy On-line 23.68
BlueHens CTF 202119 March, 18:00 UTC — 21 March 2021, 18:00 UTCJeopardy On-line 22.62
Codefest CTF 202019 March, 12:30 UTC — 20 March 2021, 12:30 UTCJeopardy On-line 33.97
picoCTF 202116 March, 17:00 UTC — 30 March 2021, 20:00 UTCJeopardy On-line 0School teams onlymissing the scoreboard
vishwaCTF 202113 March, 10:00 UTC — 14 March 2021, 22:00 UTCJeopardy On-line 20.62
BCA CTF 202113 March, 10:00 UTC — 13 March 2021, 17:15 UTCJeopardy On-line 0.00missing the scoreboard
UTCTF 202113 March, 00:00 UTC — 15 March 2021, 00:00 UTCJeopardy On-line 34.11
NahamCon CTF 202112 March, 20:00 UTC — 14 March 2021, 20:00 UTCJeopardy On-line 24.98
DaVinciCTF 202112 March, 16:00 UTC — 14 March 2021, 16:00 UTCJeopardy On-line 24.52
White-Hats Break the Syntax CTF12 March, 15:00 UTC — 14 March 2021, 15:00 UTCJeopardy On-line 23.36
BSidesSF 2021 CTF06 March, 20:00 UTC — 08 March 2021, 22:00 UTCJeopardy On-line 23.94
zer0pts CTF 202106 March, 00:00 UTC — 07 March 2021, 12:00 UTCJeopardy On-line 24.56
Winja CTF06 March, 00:00 UTC — 06 March 2021, 13:00 UTCHack quest On-line 23.50
HTB University CTF 2021 Finals05 March, 13:00 UTC — 06 March 2021, 13:00 UTCJeopardy On-line 24.33
D^3CTF 202105 March, 12:00 UTC — 07 March 2021, 12:00 UTCJeopardy On-line 20.00
Aero CTF 202127 Feb., 09:00 UTC — 28 Feb. 2021, 09:00 UTCJeopardy On-line 35.17
Ugra CTF Quals 202127 Feb., 07:00 UTC — 28 Feb. 2021, 19:00 UTCJeopardy On-line 24.55
darkCON CTF20 Feb., 10:30 UTC — 21 Feb. 2021, 10:30 UTCJeopardy On-line 24.06
Union CTF 202119 Feb., 19:00 UTC — 21 Feb. 2021, 19:00 UTCJeopardy On-line 24.31
Tenable CTF 202118 Feb., 12:00 UTC — 22 Feb. 2021, 12:00 UTCJeopardy On-line 22.65
SecureBug CTF15 Feb., 11:00 UTC — 18 Feb. 2021, 11:00 UTCJeopardy On-line 20.63
GunnHacks 7.013 Feb., 14:00 UTC — 14 Feb. 2021, 06:00 UTCJeopardy On-line 0.00missing the scoreboard
Cohesion 202107 Feb., 09:26 UTC — 07 Feb. 2021, 18:26 UTCJeopardy On-line 0.00
TrollCAT CTF 202106 Feb., 04:30 UTC — 06 Feb. 2021, 16:30 UTCJeopardy On-line 21.79
DiceCTF 202106 Feb., 00:00 UTC — 08 Feb. 2021, 00:00 UTCJeopardy On-line 24.82
Paradigm CTF 202105 Feb., 22:00 UTC — 07 Feb. 2021, 22:00 UTCJeopardy On-line 0.00missing the scoreboard
justCTF [*] 202030 Jan., 06:00 UTC — 31 Jan. 2021, 19:00 UTCJeopardy On-line 24.85
Shadow CTF26 Jan., 00:00 UTC — 27 Jan. 2021, 00:00 UTCJeopardy On-line 0.00missing the scoreboard
0x41414141 CTF23 Jan., 17:00 UTC — 30 Jan. 2021, 17:00 UTCJeopardy On-line 0
Cyber Grabs CTF 0x0217 Jan., 04:30 UTC — 17 Jan. 2021, 10:30 UTCJeopardy On-line 18.69
BambooFox CTF 202116 Jan., 02:00 UTC — 18 Jan. 2021, 02:00 UTCJeopardy On-line 24.16
*CTF 202116 Jan., 01:00 UTC — 18 Jan. 2021, 01:00 UTCJeopardy On-line 25.00
ISFCR Hackathon 202115 Jan., 05:30 UTC — 17 Jan. 2021, 05:30 UTCJeopardy On-line 0.00
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