This paint was added to the official list in memory of a failed project - the development of an amphibious tank codenamed "Catfish". Designers were planning on giving the "Catfish" the ability to move beneath the waters of shallow rivers, allowing it to take position behind enemy lines. The blue color would have been perfect for camouflage.
- Costing just 10 crystals, Blue, along with Red and Orange, is the cheapest paint available for purchase in the Garage.
- Due to its cheapness and availability, an easily-accessible paint like one this is often required to be equipped in media contests such as Video of the Week - to prevent older content from being used.