YSK there is a website which archived 150k+ flash games

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The FlashArch Flash Game Archive offers a wide variety of Adobe Flash games and animated content, including action, puzzle, adventure, escape, defense,

flash game The best Flash games · Alien Hominid · Line Rider · Jacksmith · DOOM · Motherload · Super Mario 63 · Realm of the Mad God · Super House of Dead

bc game com Flash Games · Stickman Gem · Stickman Big Prison · Пранк: смешные звуки