WASD or arrow keys to move around; use Q to move down, and E to move up. You can also look around with the mouse.
Thanks to @griffpatch and @MathMathMath for some scripts Inspiration from @griffpatch 's project "100K thank yous" Me for all the rest. This is just a test... not a fully functional game. You may remix and make it better but PLEASE GIVE CREDIT IF YOU DO. Thanks :)