Hydrogen Game

Hydrogen Game is a puzzle game where you drop elements from the periodic table into a circle and try to achieve a high score. When elements combine according to the current mode’s rules, they change into the next element. If elements fly out of the circle and hit the wall, the game ends. You can spend energy to purchase elements and use them when things get dangerous. In-game explanations cover the rules, so you can play without knowing the periodic table.

Game modes

The game has three modes:

• Normal mode: Elements of the same type combine to become the next element.
• Period + Tribe Mode: Elements combine when they are the same type or belong to the same family group, becoming the next element.
• Tribe only mode: Elements of the same type combine into the next element in the same group.

Difficulty levels

There are four difficulty levels: Easy, Normal, Difficult and Very Difficult. Higher difficulties introduce more types of elements.

Goals

The score goal is 5,000 points. The game is cleared by completing this goal in all three modes and on all four difficulties, and by extinguishing the 118th element.