its been there for such a long time!why worry now jut because we found it?there may be more things that we still don't know. all we have to do is just behave.( just know where we are all living and keep it in good shape) please.

well even it is not the first ever video game , its a great work, and it introduces a real pioneer, of course its not like the pinball but still its a real hard and creative effort.