Complex sentence: PewDiePie resorts occasionally to gameplay, causing silent or emotional commentary: his playthrough of "The Last of Us", it was noted, left the usually vocal gamer speechless at the ending.
Split into simpler sentences: PewDiePie resorts occasionally to gameplay, causing silent or emotional commentary. In particular, PewDiePie's playthrough of "The Last of Us" was documented for leaving the usually vocal gamer, speechless at the ending.