You have plenty of opportunities to get your score. At the end (game over) screen, on the demo screen, and the high score screen if you score over 10,000 points.
The Keys
Directional pad - Move penguin (other penguin moves opposite left/right)
A Button - Use wave beam
B Button - Use wave beam
Start - Pauses game
Users Active in the Arcade (Total Users: 3, Record Total: 23)
(click an option above to start the game)