Controls: Use your arrow keys to move the tiles. When two tiles with the same rank touch, they merge into one! The ranks used in this game are: H, D, H-3, He-3, He-4, Li-6, Li-7, Be-7. This idea was proposed by MQQ: MQQ@Guokr, MQQ@GitHub.
Astro Facts:
"The main nuclear reaction chains for Big Bang nucleosynthesis" by Carlos Bertulani - http://www.worldscientific.com/worldscibooks/10.1142/8573. Licensed under cc-by-sa-3.0 via Wikimedia Commons.
Note: This is a fork from https://github.com/aenon/aenon.github.io created by Aenon.