Game endings

As with all Metroid games, you'll receive a different ending after the credits roll depending on how long it took you to complete the game.

Don't read on if you want to see the endings yourself.

View the ending 5+ hours:

When "The End" appears and your total time is displayed, Samus continues to run towards the screen.
View the ending 3-5 hours:

Samus leaps up out of the screen and lands with her armour still on, she then stands motionless.
View the ending Under 3 hours:

Samus will again jump up out of the screen, but when she lands her entire suit will disappear revealing her wearing a two-piece bikini. She unties her hair and stands motionless.