Abstract: A vehicle simulation system includes a sound resonant chamber assembly for simulating audio sounds representative of the sounds produced during the operation of the simulated vehicle, comprising a speaker and a sound resonant tube attached to the speaker for enhancing and directing the audio sounds.

Abstract: A system and method for computerized competition useful for rewarding a player. The system and method may be utilized in arcade games, personal computer games, dedicated video games, networked games, and simulators. The method may include selecting a target reward level or threshold such as by selecting a score from a list of past scores, and dynamically adjusting the reward level according to the ability of the players of the system. The method may further include adjusting the playback of a previous competition sequence according to the adjusted reward level. In one embodiment, a previous vehicle race sequence is stored and played back as a ghost or phantom vehicle simultaneously with a present vehicle of a player.