Numerical panel puzzle.
Wake a dad not breaking wind !
The drunken daddy opens a door as he likes!
Puzzle using matches. Division version !
The dog helps you...maybe !
Puzzle using matches. Residue version !
Make correct numerical formulas!
Puzzle using matches. Complicated version 2 !
Open all unoccupied doors !
Move two matches to correct the numerical formula!
Match puzzle of upside-down numerical formula!
Set the stairs and reach to the rooftop door!
Place numbers following inequality signs!
Puzzle using matches. Division version!
Puzzle using matches. Fractional number version!
Mathematical puzzle using matches. Complicated ver