Other objectives may need to be completed in order to activate an exit, such as coming into contact with all tiles in a world (similar to the game Q-Bert) or rescuing a certain number of creatures known as Blobletts.

Hilliard sent a sample of the game, named at the time "Bouncy Thing", to ten different publishers,[2] in a near-finished state of completion.

[1] This resulted in Core Design commissioning the game and hiring Hilliard to work for the company full-time as a developer.

[2] After agreeing to publish the game, Core Design had Billy Allison redesign the graphics, using the Deluxe Paint IV software application, to have more animation in a bid to give the main character more personality.

[1] A positive review was also given by Amiga Format who described Blob as "wonderfully different" and stated that the 3d perspective gave a unique viewpoint which set it apart from other puzzle games.