Dimension Tripper Neptune: TOP NEP is an arcade style third person rail shooter with enemies and obstacles thrown at players and a unique boss at the end of each level.
Difficulty Settings
- Normal: The normal difficulty setting. If the player runs out of HP, they can continue by exchanging points.
- Hard: The hardest difficulty setting. Compared to Normal mode, the enemies are much tougher and if the player runs out of HP, they will instantly get a Game Over.
Wingmates
If the player collects enough coins to fill up the Coin Gauge, they will unlock a wingmate (max. 2) to assist the player for a limited time.
List of Wingmates
| Wingmate | Name |
|---|---|
 |
Purple Heart |
 |
Black Heart |
 |
White Heart |
 |
Green Heart |
 |
Purple Sister |
 |
Black Sister |
  |
White Sisters Rom & Ram |
 |
Iris Heart |
 |
Yellow Heart |