Planet explorer addition is a math puzzle game. In this game, you will explore different planets with a big treasure of gems. But before moving to a planet you need to find an addition expression that results differ from the other 3. Your correct selection will bring you a new planet. Collect your all math skills and see how many planets you can travel. Planet Explorer Addition,math puzzle game,educational game,addition game,math skills,puzzle,HTML5 game,mobile game,school game,1 player,treasure hunt,planet exploration,addition practice,problem solving,gems,educational math,online math game,kids math games,learning math,puzzle game for kids