WWE 2K17 refined the submission mini-game. The series moved away from the "button-mashing" style to a more tactical system. When applying a submission, two concentric circles would appear. The attacker controls an inner circle and must keep it inside a moving sweet spot on the outer ring, while the defender tries to force it out.
At a time when PC ports were often hit-or-miss, the Codex release was noted for its stability, allowing players with mid-range builds to experience the game smoothly. wwe2k17codex