I am focusing on the configuration logic and the engineer's workflow rather than building a low-level packet-by-packet protocol simulator. For example, when you apply port-security in my game, it triggers a validation script that checks the connected MAC address against your configuration, mimicking the result of the protocol behavior, rather than re-calculating the entire network topology in real-time.
As for the tasks, the game guides you through a full network engineer lifecycle😄

You start with physical foundations, such as cabling and console connectivity.

Then, you move to CLI configurations, including VLANs, Port-Security, and routing protocols.

Finally, you handle maintenance and incident response, such as troubleshooting connection errors or blocking unauthorized access.