多玩家空战模拟游戏 acm是一个运行在X视窗系统下的空战模拟游戏，最多可以有8位玩家同时进行游戏。这个版本是较老的第四版。-The multi-player aerial combat simulation games acm is a combat simulation game, running under the X Window System can have up to eight players at the same time for the game. This ver