| Aka: | Nebulus |
| Console: | Nintendo Game Boy |
| TV Standard: | Region Not Set |
| Developer(s): | Bite Studios |
| Publisher(s): | Triffix Entertainment Inc. |
| Release Date: | 1991-05-31 |
| Players: | 1 |
| Co-op: | No |
| Type: | Platform |
A platform game with some distinctive unique features. The player character, a small creature called Julius, is on a mission to destroy eight towers that have been built in the sea, by planting bombs at the towers' peaks. Julius's progress is hindered by enemies and obstacles, which he has to avoid in order to reach the top of the tower
Game Player of Castelian on Nintendo Game BoyGenerally, 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 |
