Crossword clues for the word: SIXFLAGS The word SIXFLAGS has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for SIXFLAGS Showing 1 to 4 of 4 results Clue(s) Amusement park with the Nitro roller coaster Big name in amusement parks Popular day trip destination... or a hint to the starts of the answers to the starred clues Theme park near Dallas, literally