4DToys is a VR game where you can "physically" play with 4D objects - as a 3D being of course, so you only get so see and touch one 3D slice, but the object is

4DToys is a VR game where you can "physically" play with 4D objects - as a 3D being of course, so you only get so see and touch one 3D slice, but the object is free to move in 4D (there's an actual 4D physics engine). There's something out of this world to hold a 4D cube in your hand and rotate it. You also get a software cursor to move yourself along the fourth spatial dimension.