Game in which the puzzle's long answers are pieces

Question:

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Similar Crossword Questions:

State short forms strung together in 12 long answers in this puzzle
Movie good guys responsible for the circled squares in eight long puzzle answers
Feature of six other long answers in this puzzle
Thought hidden in eight long puzzle answers
This weekend's fridge contents, probably, and what's missing from five long puzzle answers?
What this puzzle's long answers each have three of
Reservoir, and hint to puzzle theme found in seven long answers
Long-running game show with a feature spelled out clockwise by this puzzle's circled letters
Feature of this puzzle's three long Down answers
Magic words ... or a hint to the other long answers in this puzzle
Each of this puzzle's long Across answers sounds like one
Simple substances split in eight long answers in this puzzle
Brief version of this puzzle's title hidden in eight long puzzle answers
Business term found in eight long puzzle answers
Puzzle title people hidden in eight long answers
Like the identified car models inside this puzzle's long answers
Speak derisively, and a hint to how this puzzle's long answers were created
Big bank held by this puzzle's long answers
Cryptographers' successes (and what can be found in the circles in this puzzle's long answers)
Chemical reaction phenomenon, and what occurs in four symmetrical pairs of long answers in this puzzle
"Two-way" thoroughfares at both ends of this puzzle's long answers
List shortener hidden in eight long puzzle answers
End of a nursery rhyme, or the fate of this puzzle's other three long answers
What the puzzle's long answers all were
It uses only the 12 letters A, E, H, I, K, L, M, N, O, P, U and W (like eight long answers in this puzzle)