Solve your first task.
Finish block 0. You know what the machine is made of.
Finish block 1.
Finish block 2. The byte too many stopped hiding.
Finish block 3. Something did what it was never told to.
Finish block 4. The machine goes where you point it.
Finish block 5, with nothing of your own left running.
Write instructions of your own and make the machine run them.
Find a gadget nobody put there.
Write a value you chose to an address you chose, using nothing but borrowed code.
Take over a return address on the first run.
Solve a task with a payload no longer than it has to be.
Finish a whole block without taking a single hint.
Collect every card in the Journal.
Stop the machine with a fault instead of a HALT.
Solve every task in the game.