Hm...let's see here...
In the first pic, all nine games pictured (even BPS Tetris, which made me look twice) are pirates of various sorts. In the second pic, looks like 2 pirates, in addition to these legit games (left to right, top to bottom):
Raid on Bungeling Bay
Nuts & Milk
Nekketsu Dodgeball
Donkey Kong
Donkey Kong 3
Devil World
Hydlide Special
In the third pic, it's Fudou Myououden. In the fourth pic, it's these 4 games (left to right, top to bottom):
Dragon Ball Z II: Gekishin Freeza!!
Dragon Ball 3: Goku-den
Sensha Senryaku Sabaku no Kitsune
Saiyuki World
None are particularly rare or valuable, btw.
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