I was sold on the art for that engine alone.
A downloadable game for Windows
In this game you will try on the role of the chief mech engineer. You can design mechs, assembly and launch reactors, regulate weapons and, of course, send mechs into battle.
"TAB" will change colour.
"SHIFT+LMB" will instant move component to empty slot.
The game is present as an executable file.
Just click on it.