17. 1.55 cm 0.95cm 0.92cm

39. 5.73 Card games 5.52 Password security 5.52Encryption 5.36 Instant messaging 5.33Connect four 5.30Music player 5.26Tic-tac-toe 5.10Spamming 5.09Sudoku 5.09Daily jumble 5.05Video player 5.00Calculator 5.00Battleship game 4.90Virus protection 4.90Photo manipulation 5.90Card games 5.60Sudoku 5.55Battleship 5.55Music player 5.50Instant messaging 5.47Encryption 5.40Photo manipulation 5.40Text to speech 5.35Connect four 5.35Video player 5.35Virus protection 5.33Photo mosaics 5.30Password security 5.30Travel routing 5.26Language translation

40. 5.90Card games 5.60Sudoku 5.55Battleship game 5.55Music player 5.50Instant messaging 5.47Encryption 5.40Photo manipulation 5.40Text to speech 5.35Connect four 5.35Video player 5.35Virus protection 5.33Photo mosaics 5.30Password security 5.30Travel routing 5.26Language translation 5.73Card games 5.52Password security 5.52Encryption 5.36Instant messaging 5.33Connect four 5.30Music player 5.26Tic-tac-toe 5.10Spamming 5.09Sudoku 5.09 Daily jumble 5.05Video player 5.00 Calculator 5.00Battleship game 4.90Virus protection 4.90Photo manipulation

41. Sudoku5.77Card games5.44 Instant messaging5.69Connect four5.32 Language translation5.45Instant messaging5.22 Personality typing5.43Password security5.03 Connect four5.38Tic-tac-toe4.96 Daily Jumble5.31Encryption4.95 Photo manipulation5.22Music library4.86 Card games5.11Engineering4.82 Medical diagnosis5.11Sudoku4.78 Music library5.10Business4.77 Tic-tac-toe5.01Photo manipulation4.73

43. Othello Interval analysis Enigma encryption Art of Computer Science Tracert detection Fake-header sleuthing Concordance creator Color calculator Minesweeper Conway's Game of life Games Random Writer Animation Stanford's Nifty Assignments Shoots & Ladders Hangman Periodic table Monopoly Garal’s Tires Pacman Match game Robotics RFID tracking Homeland security