There were originally six levels of Double Vision. However, due to popular request, new levels were recently added, giving the game 12 levels. There is a chance that more levels will be added in the future.
Here can be the link to the game: Double Vision on YouTube
Handy is seen on the end of the bowling lane from I Nub You.
Difference: Center-bottom, Handy is missing the hammer from his tool belt.
Sniffles is doing the Vulcan salute from Something Fishy.
Difference: Top-right, an extra rope is added.
Lumpy looking at the box the sweater for Giggles was for from Letter Late than Never.
Difference: Center-right, the position of the pink box is different.
Cuddles driving up to the railroad crossing from Aw Shucks!.
Difference: Center-left, the shadow of the sign is bigger.
Nutty riding away with Toothy's gurney from Chew Said a Mouthful.
Difference: Bottom-center, the cement crack is thicker.
Mouse Ka-Boom holding a bomb from Operation: Tiger Bomb.
Difference: Bottom-left, a tear on one of the bandages on his ear is missing.
Cuddles, Giggles, and Mime in the malfunctioning elevator from See You Later, Elevator.
Difference: Center, Cuddles' uvula is missing.
Lifty and Shifty sitting on the swings from Swelter Skelter.
Difference: Center-right, an extra drop of sweat is added to Shifty's head.
Lumpy trying to push down a zombified Nutty's limbs back into the ground from Remains to be Seen.
Difference: Center-bottom, an extra finger is added below Lumpy's hand.
Cuddles drowning in the water filled coffin from Can't Stop Coffin.
Difference: Top-center, the bubble in the center is slightly bigger.
Flaky nervously looking at Flippy from Without a Hitch.
Difference: Center/Bottom-center, Truffles' cameo.
Level 12 (Final level, as of now)
Sniffles smiling in front of the Baboon's cage from From A to Zoo.
Difference: Top-center, one of the blue stipes on the Baboon's nose is missing.