The Apocalypse mod adds over 180 new units, structures and super weapons to the original RA2YR and will give you a completely new RA2YR experience while keeping the classic feeling alive. The mod does not require other resources to run except the original RA2YR game v1.001. This is what the mod adds in general: 64 new structures, 40 new infantry units, 17 new naval units, 20 new air units, 41 new vehicles.