Drab level design Monotonous combat Aliens are constantly recycled, dull to look at, boring to fight.
Drab level design Monotonous combat Aliens are constantly recycled, dull to look at, boring to fight.
缺点：升级系统很单调；战斗很无聊；敌人类型重复；画面惨淡，没有战斗欲望。
Drab level design Monotonous combat Aliens are constantly recycled, dull to look at, boring to fight.
缺点：升级系统很单调；战斗很无聊；敌人类型重复；画面惨淡，没有战斗欲望。