This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. superlative form of gamey: most gamey.

"In fact, right around the time when the Supreme Court announced that it would take the California video-game regulation case, I suggested that a court clerk bring in a copy of Nier, probably the "gamiest" of this year's top games."