Adobe Photoshop 0.63 (on System 7)
Adobe Photoshop 1.0.7 (on System 7)

These applications don’t have this feature.

Adobe Photoshop 2.5 LE (on Windows 3.1)

This application doesn’t have this feature.

Adobe Photoshop 3.0.4 (on Windows 98)

This application doesn’t have this feature.

Adobe Photoshop 4.0 (on Windows 98)

About box (easter egg) in Adobe Photoshop 4.0 Big Electric Cat was the codename of Photoshop 4.0. This hidden splash is also the first appearance of Udo, Photoshop’s unofficial mascot cat. Her nickname is Becky (shorthand for Big Electric Cat), and she’s present in the easter egg about boxes for all the following versions.

Adobe Photoshop 5.0 (on Windows 98)

About box (easter egg) in Adobe Photoshop 5.0 Strange Cargo was the codename of Photoshop 5.0.

Adobe Photoshop 5.5 (on Windows 98)

About box (easter egg) in Adobe Photoshop 5.5

Adobe Photoshop 6.0 (on Windows 2000)

About box (easter egg) in Adobe Photoshop 6.0 Venus In Furs was the codename of Photoshop 6.0.

Adobe Photoshop 7.0 (on Windows 2000)

About box (easter egg) in Adobe Photoshop 7.0 Liquid Sky was the codename of Photoshop 7.0.

Adobe Photoshop CS (on Windows XP)

About box (easter egg) in Adobe Photoshop CS Dark Matter was the codename of Photoshop 8.0 (CS).

Adobe Photoshop CS2 (on Windows XP)

About box (easter egg) in Adobe Photoshop CS2 Space Monkey was the codename of Photoshop 9.0 (CS2).

Adobe Photoshop CS2 (on Mac OS X 10.4 Tiger)

About box (easter egg) in Adobe Photoshop CS2 Space Monkey was the codename of Photoshop 9.0 (CS2).