|Release Date:||March 2015|
|Previous Episode:||Valentine Box|
|Stars to unlock:||1250|
|Game:||Cut the Rope|
Invisible Box is a secret box in the original Cut the Rope game released in March 2015 along with Mechanical Box. The box is revealed in April Fools in Facebook so it may be considered as an April Fool. It is obtained by collecting 1275 stars, unlocking all achievements, and doing a secret action with the spiders. The Box will appear as the final box in Season 1. In every level, all game elements (including Om Nom) i except the ropes and candy in the level will be visible for the first 3 seconds and then vanish. You have to remember where they are to complete the level successfully. When the candy is in close radius to another game element, the element will reappear for only a few seconds. Memory is key for this box.
- Main article: Invisible Box/Walkthroughs
The Invisible box is transparent white, allowing players to see Om Nom's body. The background is blurred game codes resembling a computer.
Since the player must unlock all achievements to unlock this box, so far, no achievements can be obtained in this box.
|Original game boxes|
1st season: Cardboard | Fabric | Foil | Magic | Valentine | Invisible (Hidden)