This article gives a list of platformer series, i.e. video games of the "platformer" genre. There are both 2D and 3D variants of such games, with the latter becoming more prevalent from the 32/64-bit era and up to the present.
Platform or sidescrolling game series that originated in 2D.
A mix of 2D gameplay/3D style gameplay. See 2.5D.
Platform game series that were born in 3D.
Game series that were initial 2D and evolved into 3D at some point in their sequels.