Complex sentence: However, many games are commonly classed as abstract strategy games which do not meet these criteria: games such as Backgammon, Octiles, Can't Stop, Sequence and Mentalis have all been described as "abstract strategy" games despite having a luck element.
Split into simpler sentences: However, many games are commonly classed as abstract strategy games which do not meet these criteria. Games such as Backgammon, Octiles, Can't Stop, Sequence and Mentalis have all been described as "abstract strategy", despite having a luck element.