* It is possible to combine the large circuit boards with any item in Oracle, when inside PEG or SAM at Aldoria Major. The loss of any of the large circuit boards causes the game not to be completable.
Issues specific to 4CD
* Feeble walks in the incorrect direction, when looking at the Vent in the Research and Testing area of the Company Central Command Compound.
* Game crashes when going out of the tunnel in the Maintenance Area. The crash occurs after the entering tunnel, moving forward, going back, and then moving forward again.