music: 60's Chart Toppers: Name The Artist: The Letter?

Questions

which body part is found in bodley mansion in 'castlevania ii: simon's quest'?

what do you need to collect 100 of to get an extra life in super mario bros.?

what was the hybrid pinball/video game in the pac-man series?

how many buttons (excluding the control pad) did the original nes controller have?

who manufactured the first home video game system?