Complex sentence: The game features 10 mini games (all cost $4.00 each), the player can play a demo if the player choose buy full mini game they can haggle Rusty for a price cut on that game or buy game's full price.
Split into simpler sentences: The game features 10 mini games (all cost $4.00 each). The player can play a demo if the player choose buy full mini game they can haggle Rusty for a price cut on that game or buy game for full price.