Top Score is the 2-player version of "300". The bowling alley I worked at in Maine in the 1970's had one, along with a Space Mission and El Dorado. That "300" was tough.
Nice collection! I do have a soft-spot for those EM's........not fun to fix but they actually are a challenge to play and get good scores. I miss my Royal Flush (Card Whiz). That is a great game.