Retro Calc is an educational game that teaches 10-digit keypad accuracy.
Contact the owner for a list of current to-dos.
TODOS
//help mode, indicte to player to select a diff_level with a tooltip
//create persistent "last clicked" overlay color for currently selected difficulty level
//make the "start game" button glow
//leaderboards, obvi
//sound effects would be awesome
//error checking for false inputs to break the streak are needed
//allow user to pick length of game //if undefined, send error message to user //set speed back to undefined after round has finished
//adaptive messaging based on performance
//add different gameplay modes //free play //operator mode (higher levels)