Download challenges: Neuland CTF Repository
Can be found on the introductory PowerPoint.
The flag is nland{neuland-ctf-2023}
Open a lock with an instrument other than the proper key. Pick up a lock, pick, and tension wrench at the front and bring back the opened lock to the CTF orga to get the flag.
The objective is simple; the lock must be opened using the included pick and tension wrench. A good resource for beginners is the MIT Lockpicking Guide.
The flag is nland{T3D_Th3_TooL}