- Teaching Logic using Group Puzzles
- Solving Group Logic Puzzles
- Puzzle Difficultly Levels Explained
- Detailed instructions for working a type 'Sudoku-12' group puzzle
- Detailed instructions for working a type 'Sudoku-12up' group puzzle
- Detailed instructions for working a type 'HyperSudoku-12' group puzzle
- Detailed instructions for working a type 'tpsmith' group puzzle
- Detailed instructions for working a type 'Sudoku-15' group puzzle
- Detailed instructions for working a type 'Sudoku-15up' group puzzle
- Detailed instructions for working a type 'HyperSudoku-15' group puzzle
- Detailed instructions for working a type 'Sudoku-16' group puzzle
- Detailed instructions for working a type 'HyperSudoku-16' group puzzle
- Four Easy Sudoku-12 Puzzles (numbers 1-4)
- Four Medium Sudoku-12 Puzzles (numbers 5-8)
- Four Difficult Sudoku-12 Puzzles (numbers 9-12)
- Four Challenging Sudoku-12 Puzzles (numbers 13-16)
- Two Tournament Sudoku-12 Puzzles (numbers 17-18)
- Two TournamentPlus Sudoku-12 Puzzles (numbers 19-20)
- Four Easy Sudoku-12up Puzzles (numbers 21-24)
- Four Medium Sudoku-12up Puzzles (numbers 25-28)
- Four Difficult Sudoku-12up Puzzles (numbers 29-32)
- Four Challenging Sudoku-12up Puzzles (numbers 33-36)
- Two Tournament Sudoku-12up Puzzles (numbers 37-38)
- Two TournamentPlus Sudoku-12up Puzzles (numbers 39-40)
- Four Easy HyperSudoku-12 Puzzles (numbers 41-44)
- Four Medium HyperSudoku-12 Puzzles (numbers 45-48)
- Four Difficult HyperSudoku-12 Puzzles (numbers 49-52)
- Four Challenging HyperSudoku-12 Puzzles (numbers 53-56)
- Four Tournament HyperSudoku-12 Puzzles (numbers 57-60)
- Four TournamentPlus HyperSudoku-12 Puzzles (numbers 61-64)
- Four Easy tpsmith Puzzles (numbers 65-68)
- Four Medium tpsmith Puzzles (numbers 69-72)
- Four Difficult tpsmith Puzzles (numbers 73-76)
- Four Challenging tpsmith Puzzles (numbers 77-80)
- Four Tournament tpsmith Puzzles (numbers 81-84)
- Two TournamentPlus tpsmith Puzzles (numbers 85-86)
- Four Easy Sudoku-15 Puzzles (numbers 87-90)
- Four Medium Sudoku-15 Puzzles (numbers 91-94)
- Four Difficult Sudoku-15 Puzzles (numbers 95-98)
- Four Challenging Sudoku-15 Puzzles (numbers 99-102)
- Two Tournament Sudoku-15 Puzzles (numbers 103-104)
- Two TournamentPlus Sudoku-15 Puzzles (numbers 105-106)
- Four Easy Sudoku-15up Puzzles (numbers 107-110)
- Four Medium Sudoku-15up Puzzles (numbers 111-114)
- Four Difficult Sudoku-15up Puzzles (numbers 115-118)
- Four Challenging Sudoku-15up Puzzles (numbers 119-122)
- Two Tournament Sudoku-15up Puzzles (numbers 123-124)
- Two TournamentPlus Sudoku-15up Puzzles (numbers 125-126)
- Four Easy HyperSudoku-15 Puzzles (numbers 127-130)
- Four Medium HyperSudoku-15 Puzzles (numbers 131-134)
- Four Difficult HyperSudoku-15 Puzzles (numbers 135-138)
- Four Challenging HyperSudoku-15 Puzzles (numbers 139-142)
- Four Tournament HyperSudoku-15 Puzzles (numbers 143-146)
- Two TournamentPlus HyperSudoku-15 Puzzles (numbers 147-148)
- Four Easy Sudoku-16 Puzzles (numbers 149-152)
- Four Medium Sudoku-16 Puzzles (numbers 153-156)
- Four Difficult Sudoku-16 Puzzles (numbers 157-160)
- Four Challenging Sudoku-16 Puzzles (numbers 161-164)
- Two Tournament Sudoku-16 Puzzles (numbers 165-166)
- Two TournamentPlus Sudoku-16 Puzzles (numbers 167-168)
- Four Easy HyperSudoku-16 Puzzles (numbers 169-172)
- Four Medium HyperSudoku-16 Puzzles (numbers 173-176)
- Four Difficult HyperSudoku-16 Puzzles (numbers 177-180)
- Four Challenging HyperSudoku-16 Puzzles (numbers 181-184)
- Four Tournament HyperSudoku-16 Puzzles (numbers 185-188)
- Two TournamentPlus HyperSudoku-16 Puzzles (numbers 189-190)