Υou earn points when you discover and claim ACCTF flags. These flags can be found anywhere on the target system; in the form of files, variable names, database names etc. These are the most common you can find on the targets:
root: Flag under/rootenv: Environment variable flagssystem: Flags on system file (eg./etc/shadow, /etc/passwd)app: Application specific flags (eg. mysql database name flags, memcache keys etc)other: For any flags that do not fit into the above categories.
Besides flags, you can also gain points from findings, which represent remotely accessible services on the target system. Discovering the open ports of a system will award you points as well as provide you with some extra hints.
As you progress, new Hints will be made available for your consideration. Check your progress by visiting the page for target you currently working on, as it provides you with a list of the tasks you have completed and the ones still left to do. Any hints associated with the target will be displayed underneath the target description of each of the target pages.
Keep an eye at your notifications on top, as they may contain important information like target additions, spins (resets), removals etc.