此外，在理解透2nd马的关卡精妙之后，你还能花上不少时间研究自己的关卡，这种“设计”的乐趣，大概只有《创世小玩家》能get得到。Firearms and ammunition ballistics have changed considerably over the last half-century, but one among the biggest leaps in performance hit the scene five a long time ago