At the PC Engine CD boot screen, hold Up + I + II and press Run. If done right, the game load directly into the sound test.
Unlock All History Lectures
At the game menu screen, select "Lecture", then move the cursor all the way to the bottom-right of the screen and press I. If done right, all 10 history lessons will be unlocked.
Know Something We Don't?
You can submit new cheat codes for this game using our Cheat Submission Form.
Have We Been Fooled?
If you see a non-working or fake code in the list above, let us know by using our Problem Submission Form.