You built this in Unity so you need to include the _data file as well as the .exe file or they will not work. Put both files in a .rar or other compressed format and submit. As it is no one can play it.
A downloadable game for Windows, Mac OS X, and Linux
You are chosen to defend a wall that protects a city from an oncoming invasion of shapes. Defend this wall in awesome 3D FPS mode. Use asdw to move and left click to shoot. Kill as many shapes as possible.