Pre-release and unused content

Before a game gets released you might see enemies and places that aren't in the released game, because they are taken out for unknown reason. The elements that were once in the game but wer're taken out are called Beta Elements.

Beta Elements

Here is a list of Betas Elements appearing in Mario games:

= Super Mario Bros. 3

There were going to be two new enemies called Gold Cheep Cheep (a golden version of a Cheep-Cheep, and Green Parabeetles (Green colored Parabeetles). The Gold Cheep Cheeps would come in groups and swim faster than regular Cheep-Cheeps and the Green Parabeetle is a green parabeetle that flies faster than normal ones.

Mario & Luigi: Superstar Saga

Wario, Fox McCloud, Captain Olimar, Samus, an Excitebike Racer and Link we're going to be in the Starbeans Cafe after making a cofee, instead of E. Gadd.

Mario & Luigi: Partners in Time

In this game, there were going to be some Blooper enemies appearing in the Vim Factory wearing red shoes. While the screenshot only showed Luigi attacking one, it isn't known what their attacks were.