A sorted and updated list of security wargame sites.
HTML
1,334
153 commits
updated Sep 8, 2026
This is an organized, PR-able list of wargame sites. If you know of a (reasonable) wargame site not on this list (and there are definitely some), shoot me a PR. I have nightly tests to detect sites that have gone down, but if you notice something I missed, open an issue!
You can aggregate your score across many of these sites by registering on WeChall.
recommended wargame
beginner difficulty
downloadable challenges
no scoreboard
bitrotted
dead
only playable in language X
fails to work with the daily heartbeat check, so no promises about being up (but was up last time I checked)The chals below are listed with recommended ones first, then the rest in alphabetical order.
Developing some core CS skills can be useful for security as well!
These sites have gone offline (or taken their challenges offline). I track them here to periodically check for their return (which does happen sometimes!).
This isn't the only wargame index out there! Others are:
I acquired the links here over a very long career. At some point, I started noting down resources that led me to these links. They are:
311 followers · starred Jan 2019
415 followers · starred Nov 2021
146 followers · starred Jun 2022
76 followers · starred Dec 2020
A sorted and updated list of security wargame sites.
HTML
1,334
153 commits
updated Sep 8, 2026
This is an organized, PR-able list of wargame sites. If you know of a (reasonable) wargame site not on this list (and there are definitely some), shoot me a PR. I have nightly tests to detect sites that have gone down, but if you notice something I missed, open an issue!
You can aggregate your score across many of these sites by registering on WeChall.
recommended wargame beginner difficulty downloadable challenges no scoreboard bitrotted dead only playable in language X fails to work with the daily heartbeat check, so no promises about being up (but was up last time I checked)The chals below are listed with recommended ones first, then the rest in alphabetical order.
Developing some core CS skills can be useful for security as well!
These sites have gone offline (or taken their challenges offline). I track them here to periodically check for their return (which does happen sometimes!).
This isn't the only wargame index out there! Others are:
I acquired the links here over a very long career. At some point, I started noting down resources that led me to these links. They are:
311 followers · starred Jan 2019
415 followers · starred Nov 2021
146 followers · starred Jun 2022
76 followers · starred Dec 2020
