5. Kingdom Hearts 2
A classic game boasting a wide fan-base to this day, the post-credit scene for Kingdom Hearts 2 left players praying for more. The protagonist received a letter in a bottle from the king, though what was on the letter was never revealed. Fans debated as to whether or not it would ever be answered in another Kingdom Hearts game and now finally, after news that Kingdom Hearts 3 is on its way, their questions should be answered. The scene wrapped up the game nicely and was able to keep players invested, teasing that more was to come. This scene can only have added to the demand for a Kingdom Hearts 3, and helped to excite fans as they await its release.