[[Image:Gx4000.jpg|50px|right]]
The CPC+ and GX4000 were shipped with one or two digital joypads included. Technically, they work same as normal joysticks. But, they have two buttons - in . And, the GX4000 doesn't have a keyboard which could be used instead of a second fire button. In result, some CPC+/GX4000 games may rely on 2 buttons-button hardware, making them incompatible with regular 1-button joysticks.
== Incompatible Standard Joysticks ==