Complex sentence: Both the human and alien armies have absolutely mirrored units that differ only in appearance, however there are two aspects to the gameplay that can sway the tide of battle: effective use of artifacts and day/night cycle.
Split into simpler sentences: Both the human and alien armies have almost absolutely mirrored units that differ only in appearance. However there are two aspects to the gameplay that can sway the tide of battle: effective use of artifacts and day/night cycle.