Voxatron is pretty unique among voxel-based games, in that it strictly uses grid-aligned voxels for everything, including character movement and effects. This is the voxel equivalent of avoiding scaling and rotating pixels in pixel art.
Voxatron
Hiscores - Adventure 2012-06-10 ................................... 6,329 Hiscores - Arcade 2012-06-10 ................................... 2,287 2012-06-27 ................................... 2,043 2012-06-10 ................................... 1,718