Pentas: Stratum

Select bricks of the shown figure shape (any rotated/mirrored version) to remove it from field. Clear bricks to open new level bricks. The only same level bricks could be destroyed at one time. Try to keep free space for new elements as long as possible. Challenge other gamers in pursuit of highscore. 選擇如圖所示的形狀（任何旋轉(zhuǎn)/鏡像版本）的磚從現(xiàn)場移除。清除磚塊，打開新的臺階磚。唯一的同一水平磚塊可以在同一時間被破壞。盡量保持自由空間，新的元素盡可能長的時間。 挑戰(zhàn)追求高分的其他玩家。