| Console: | Nintendo Game Boy Advance |
| TV Standard: | Region Not Set |
| Developer(s): | Capcom Production Studio 2 |
| Publisher(s): | Capcom |
| Release Date: | 2003-06-29 |
| Co-op: | No |
| ESRB: | E - Everyone |
| Type: | Action, Role-Playing |
The fourth installment in the Mega Man Battle Network series comes in two versions--Red Sun and Blue Moon--each with different enemies, battle chips, souls, and characters. Once again, you assume the role of Lan as he and his friend, Mega Man.exe, fight to rid the Internet of viruses and other cyberworld enemies. Unlike previous games in the series, Mega Man Battle Network 4 focuses on a tournament system where players encounter a variety of enemies that must be defeated. A new Soul Unison system lets Mega Man transform into his defeated enemies.
Game Player of Mega Man Battle Network 4: Blue Moon on Nintendo Game Boy AdvanceGenerally, you can review the controls (keyboard) setting during each game in the screen before it starts. Use the arrow keys and “Z”, “X”, “A”, “S”, “Q”, “E” buttons to play, or customize yourself with your gamepad or keyboard.
| Keyboard | Controls |
| ← → ↑ ↓ | Directions for LEFT, RIGHT, UP, DOWN |
| Enter ↵ | START |
| Shift | SELECT |
| Z | A |
| X | B |
| A | X |
| S | Y |
| Q | L |
| E | R |
