In platformers and shmups, it's common for arrows, lshift, z, x, and maybe c to be the only buttons used to control the character. Voxatron, for example, defaul

In platformers and shmups, it's common for arrows, lshift, z, x, and maybe c to be the only buttons used to control the character. Voxatron, for example, defaulted to this control scheme, but that game has very configurable controls.