Super Scrabble quadruple letter scores spaced only three squares away from a double word score, it is not uncommon to see a single play score over one hundred points, even without a fifty-point bonus. Guarding against such plays becomes vital to strategy. However, due to the larger size of the board, this becomes increasingly difficult, especially late in the game. Super Scrabble Super Scrabble is a board game introduced in 2004 and a variant of "Scrabble". It is played on a 21×21 grid board instead of Scrabble's usual 15×15, and uses twice as many letter tiles. In North America "Super Scrabble" is
Scrabble variants or triplets of numbers that sum up to less than, or exactly 15, respectively. The placement of the pairs or triplets is similar to Scrabble. Triolet means "triplet" in French. Yushino uses number sequences where every number is the last digit of the sum of the previous two. For two number sequences it requires that the numbers are adjacent. Mixmath, a game developed by Wrebbit, also involves placing correct mathematical equations on a board with bonus squares similar to a scrabble board. Scrabble Upwords (originally just named UpWords) is played with 100 letter tiles on a special 10×10 board with