prog.cs(8,3): error CS0246: The type or namespace name `GameObject' could not be found. Are you missing an assembly reference?
prog.cs(10,17): error CS0103: The name `gameobject' does not exist in the current context
prog.cs(10,4): error CS0841: A local variable `arrayGO' cannot be used before it is declared
Compilation failed: 3 error(s), 0 warnings