This is the article on the technique used by Naruto Uzumaki in Naruto: Ultimate Ninja 3. For the technique used by Naruto Uzumaki in Naruto: Ultimate Ninja Storm, head to Naruto Uzumaki's Shinobi Handbook.
Naruto creates a massive amount of clones, and most of the clones jump up and rain shuriken down on the opponent. Then, a few clones kick the opponent up where the clones in the air all punch the opponent sending them downwards. Finally, some clones throw two clones at the falling opponent who is kicked twice into the ground.