Complex sentence: The game was rated 5 out of 10 by IGN, which called the levels incredibly short, small, and fairly uninspired "and concluded their review with" Just stay away from this one.
Split into simpler sentences: The game was rated 5 out of 10 by IGN. IGN called the levels incredibly short, small, and fairly uninspired "and concluded their review with" Just stay away from this one.