Step 1 : Introduction to the question "10. The 1980s and the birth of the video game. This all time best selling coin-op was inspired by a pizza with a piece missing."
...1. Mario World 2. Space Invaders 3. Pac Man 4. Donkey Kong Pac Man was the most successful arcade game of all time. It spawned the following games - Baby Pac Man, Ms. Pac Man, Jnr. Pac Man and Pac Land. It also was the first game to inspire merchandise such as lunch boxes and clothing.