A game, configured for execution in a regulated gaming machine, may require skillful actions by a player to achieve an objective of the game. The game may be further configured such that outcomes are partially determined by randomness and partially determined by inputs to the regulated gaming machine from the player. A computer-implemented method may comprise, iteratively, during game play of the game: receiving inputs from the player via a player interface; generating a skillful action within the game based upon the received player inputs, and generating an outcome of the skillful action that is partially determined by randomness and partially determined by the generated skillful action based upon the player inputs. A reward may be selectively provided to the player according to the generated outcome and according to a predetermined target Return to Player (RTP) percentage for the game. The degree to which the randomness affects the generated outcome and the degree to which the skillful action based upon inputs from the player affect the generated outcome may then be changed such that a later-generated outcome is differently affected by the randomness and by inputs from the player than a prior-generated outcome.