Category: Chemistry - 20% of what is in the metal part at the end of a pencil?

Questions

What was the first Arcade game ever released??

What's the first video game ever to contain an "Easter Egg"??

The quote "You spoony bard!" is from what game??

Nolan Bushnell, creator of the first arcade game, also founded the video arcade chain now known as what??

Which was the first console "Duke Nukem' game??