Lets see if we can complete the A-Z of the above..
I will go first..
Astro Wars.

(http://www.childofthe1980s.com/wordpress/wp-content/uploads/2009/01/grandstand-astro-wars.jpg)
(http://www.ebay.co.uk/itm/Vintage-Grandstand-BMX-Burner-Electronic-Game-1984-Retro-/161839263089?hash=item25ae5f2d71)
BMX Burner
(http://uploads.tapatalk-cdn.com/20160817/117a6b5fd6b4ab88f14039b5255eda4b.jpg)
Thought I would kick start this one with caveman.
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I'll play along, D for Defender.
(https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcTM8HDUq4kz9MkyyMmXJmrMfvwjFyJsBEtti8z-mrYt2gCPU-eGCw)
Eh, well, tough to find one with E. The best I can find is E for Etch-a-Sketch Animator 2000..
(http://i1303.photobucket.com/albums/ag160/TrekMD/Oaetch2000_zpsj8y6vivf.jpg)
F for Frogger.
(http://images.productwiki.com/upload/images/frogger_classic_arcade_game-400-400.jpg)
Galaxian by Coleco.
Jeez. It's 2 years since I last posted. Lol(https://uploads.tapatalk-cdn.com/20180117/3f541c942a75bdceb9abb464df3245f6.jpg)
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Good to see you back. Hopefully, you'll be around more frequently!
H is for Hangman!
(https://i.imgur.com/ic7Y2Xf.jpg)
(http://www.electronicplastic.com/_images/450/epoch/InvaderFromSpace.jpg)
Invader from Space.
J is for Joust...
(https://i.imgur.com/9Uge5LJ.jpg)