Challenge 3: LOCKPICKING 1
A set of lockpicks appeared right next to this padlock. Must've been magic, seeing as it's borderline legal to use them in our circumstances. At least we are sure we haven't seen who put them where they are.
Challenge 4: LOCKPICKING 2
The lock is the same old tumbler lock, just embedded in a door of a small drawer. Given that the drawer doesn't have a top wall, picking a lock seems to be an exercise in futility but what the hell, you wanna earn points or what?
Two locks in question in their natural habitat
Challenge 25: PUZZLES
Lots of them with different solutions. You can always consult the Internet when nobody's looking - ain't nobody stopping you from hacking the hacking challenge.
Challenge 2: PLYWOODCHESSBOX
Can you beat a piece of plywood at chess? Connect it to your computer, open your favourite serial terminal and find out!