The Ultra Jigsaw Puzzles are the greatest online jigsaw puzzles, it's the supreme discipline within the jigsaw puzzles. The Ultra Jigsaw Puzzles start with 4029 pieces and are Single Jigsaw Puzzles. The Ultra Jigsaw Puzzles are based upon the latest java technology. This is the reason why a java plugin of version 6.0 or higher is necessary for these jigsaw puzzles. The jigsaw puzzles are built upon each other, that means you first have to solve all jigsaw puzzles with a smaller number of jigsaw puzzle pieces before you can start with the next bigger jigsaw puzzle. Note: In few cases it may be necessary to enlarge the memory area for java !
Every user receives a certificate as recognition for their staying power with the ultras. For 7072 pieces the "Bronze Webpuzzle", for 10086 pieces the "Silver Webpuzzle" and for 14060 pieces the "Gold Webpuzzle". We will send the certificates by e-mail in PDF format.
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