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PPPSSC
Since: Nov, 2009
PPPSSC
Since: Nov, 2009

Where once you complete the level objective, you have a chance to increase your final score before the level ends. (Not a separate stage)
The Big Rock Ending on Rock Band songs, where the band members have a chance to freestyle to rack up extra points
Some Merge Dragons levels drop items across the board after the objective has been met and allow you to merge them for a few extra seconds before the level officially ends
Some classic Sonic The Hedgehog games allow you to collect bonus points with a goal post as long as you can manage to keep it airborne.