Golden Chrome Symbols

Chrome Symbols are hidden in seven of the 63 levels of Poached Eggs, in three of the 42 levels of Mighty Hoax, in four of the 45 levels of Danger Above, four of the 45 levels of The Big Setup, and three of the 45 levels of Ham 'Em High. Analogous to Golden Eggs, finding one of these symbols will open up a level in the Chrome Dimension.

Poached Eggs
Mighty Hoax
 * Dimension Level 1 - Go to Level 1-16 and the Google Chrome ball is in the upper right of the screen. Scroll out to see it.
 * Dimension Level 2 - Go to Level 1-18 and it will be on to of the high platform (looks like a wall).
 * Dimension Level 3 - Go to Level 1-20 and it will be far up in the air on the left. Scroll out to see it.
 * Dimension Level 4 - Go to Level 2-4 and the Google Chrome ball will be on the right after the three little boulders.
 * Dimension Level 5 - Go to Level 2-20 and it will be behind a large wall. Scroll out to see it. Destroy the wooden square at the far right with your first White Bird. The Dimension logo should crack.
 * Dimension Level 6 - Go to Level 3-7 and hit it just below and to the right of the launching platform.
 * Dimension Level 7 - Go to Level 3-14 and it will be behind the platform where birds are launched. Scroll out to see it.
 * Dimension Level 8 - Go to Level 4-4 and it will be under the bridge.
 * Dimension Level 9 - Go to Level 4-13 and it will be on the far right of the level.
 * Dimension Level 10 - Go to Level 5-5 and it will be on the far right of the level.

Danger Above

 * Dimension Level 11 - Go to Level 6-9 and it will be swinging in the top-right of the level.
 * Dimension Level 12 - Go to Level 6-13 and it will be in the top of the level.
 * Dimension Level 13 - Go to Level 7-8 and it will be on the far right of the level.
 * Dimension Level 14 - Go to Level 8-2 and it will be on the far right of the level.

The Big Setup

 * Dimension Level 15 - Go to level 9-8 of The Big Setup and the logo will be in the middle of the structure.
 * Dimension Level 16 - Go to level 9-14 and if you zoom out, it will be hiding under a hardhat.
 * Dimension Level 17 - Go to level 10-15 and it will be on the bottom right corner of the level.
 * Dimension Level 18 - Go to level 11-3 and it will be under the Slingshot Platform.

Ham 'em High

 * Dimension Level 19 - Go to level 12-12 and it will be in the middle of the structure.
 * Dimension Level 20 - Go to level 13-2 and it will be the far right of the level.
 * Dimension Level 21 - Go to level 14-9 and it will be right under the birds.