MetaCritic disappointing execution holds it back Natural Selection 2 disappointing execution holds it back MetaCritic MetaCritic MetaCritic disappointing execution holds it back MetaCritic disappointing execution holds it back MetaCritic disappointing execution holds it back disappointing execution holds it back disappointing execution holds it back Metacritic reviews MetaCritic disappointing execution holds it back disappointing execution holds it back Metacritic disappointing execution holds it back Metacritic: 80 disappointing execution holds it back Natural Selection 2 MetaCritic disappointing execution holds it back MetaCritic MetaCritic disappointing execution holds it back disappointing execution holds it back disappointing execution holds it back game/pc/natural-selection-2 overwhelmingly positive