According to Official Guinness Records,
The highest score on Scrabble Blast (EA, 2005) is 3,451, achieved by Kelly R. Flewin (Canada) on the Puzzle mode of the original Game Boy Advance version in Manitoba, Canada, on 25 March 2010
Featured in Guinness World Records Gamers Edition 2011
For a complete list of 2010 records, please visit 2010 Guinness Records in Canada.