Complex sentence: In addition, a bonus counter increases by the value of every target shot in the three rows, and can be collected by shooting the letters of the word "BONUS" in order as they cycle through the rows.
Split into simpler sentences: In addition, a bonus counter increases by the value of every target shot in the three rows. A bonus counter increases for every target hit in any of the three rows, and can be collected by shooting the letters of the word "BONUS" in order as they cycle through the rows.