Crossword clues for the word: XPRIZE The word XPRIZE has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for XPRIZE Showing 1 to 3 of 3 results Clue(s) "$10,000,000 award won in 2004 for successful private space flight" "The $10 million awarded to ""SpaceShipOne""" Economic incentive for innovation