Annihilate is puzzle game in which you have to match pairs of atoms of the same color. Avoid pitfalls like black holes, lasers, one-way tiles or uranium. Annihilate,puzzle game,atom matching,brain teaser,logic puzzle,science puzzle,spatial reasoning,cognitive skills,atomic dynamics,mind training,challenging puzzles,addictive game,strategy game,easy to learn,hard to master,physics puzzle,uranium,black holes,lasers,one-way tiles