Rev 1 kept the hidden (flat green grid) but removed the debug code to access it. 6. Regional Differences (USA vs. JP/EU) | Feature | JP version | USA Rev 0 | USA Rev 1 | EU version | |---------|------------|-----------|-----------|-------------| | Language | Japanese | English | English | English/French/German/Spanish | | Blood (boss defeat) | None | None | None | None (same) | | Difficulty | Normal | Easier (bombs do less self-damage) | Same as Rev 0 | Same as Rev 0 | | 60Hz mode | No | No | No | Yes (EU Rev 1) | | Progressive scan | Yes | Yes | Yes | Only in 60Hz mode |