Complex sentence: These puzzles can slow the momentum down for players of fast action games; the first "Half-Life" s penultimate chapter, "Interloper", featured multiple moving platforms high in the air with enemies firing at the player from all sides.
Split into simpler sentences: These puzzles can slow the momentum down for players of fast action games. One particularly notorious example of a jumping puzzle is the first "Half-Life" s penultimate chapter, "Interloper", which featured multiple moving platforms high in the air with enemies firing at the player from all sides.