вот такие вот ошибки
Assets\scripts\Enemy.cs(4,14): error CS0234: The type or namespace name ‘Media’ does not exist in the namespace ‘System’ (are you missing an assembly reference?)
Error building Player because scripts had compiler errors
Build completed with a result of ‘Failed’
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)
UnityEditor.BuildPlayerWindow+BuildMethodException: 2 errors
at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (UnityEditor.BuildPlayerOptions options) [0x0027c] in <282860f440ac4f48a82a3a8aaaec3082>:0
at UnityEditor.BuildPlayerWindow.CallBuildMethods (System.Boolean askForBuildLocation, UnityEditor.BuildOptions defaultBuildOptions) [0x00080] in <282860f440ac4f48a82a3a8aaaec3082>:0
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)