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|- !3-star Score |: 85,000 points |- |- style="text-align:center" | Previous | Next |- style="text-align:center" | Cosmic Crystals 7-12 | Cosmic Crystals 7-14 |} Cosmic Crystals 7-13 is the thirteenth level in Cosmic Crystals.The objective of level 7-13 is to use the birds to eliminate all the pigs. Get at least 85,000 points for 3 stars.
The northernmost pig can be tricky.
Send Red Bird to knock the small asteroid tn the north. Cause the rocket ship is pushed into the gravitational field, though there’s a detonator to the northeast of the planet that will set off the TNT. After the chaos, target the north planet if necessary.
Send the Red Bird to ppush a switch at the canter planet, cause the TNT crystal planet detonate and the asteroid will pushed by the southernmost planet. Use the Black Bird to demolish the upper section.