Simplify the following text for a Grade 7 native English-speaking person.
Original: Gaelic handball ( known in Ireland simply as handball ; ) is a sport similar to Basque pelota , racquetball , squash and American handball ( an almost identical game ) .
Simplified: Gaelic handball is a game where two players use their hands to return a ball against a wall . The game is similar to American handball ; Gaelic handballers play against their US counterparts .