A rather difficult sliding puzzle for some people and might mess with your head.
Connect the blue dots by sliding the pieces around. Note that pieces can be grouped together so when you move one, some other piece might move too. The relationship between the grouped pieces is indicated by the symbol and the color indicates which pieces are grouped together.
Opposite Reaction is one of many Educational Games to play online on your web browser for free at KBH Games. Opposite Reaction is also a cross-platform game that be played on a mobile phone, tablet, and computer. Tagged as Educational Games, Hard Games, HTML5 Games, Logic Games, and Puzzle Games. Upvoted by 13 players. Other games you might like are Opposite Ends and Extraction Reaction. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.