Groups

 

Crystals

Other (objects, etc.) entity

Crystals of one sort or another appear prominently.

107
games
16
platforms

The first video game about Crystals was released on May 1992.

Trendy Entertainment, THQ and Bethesda Softworks has published most of these games

See also: gems
A simple but efficient way to make otherwise familiar surroundings look alien. Since Earth seems to lack any places with abundant crystals, especially large ones, besides some caves that most people never visit.

Often the crystals are self-luminous or have other unusual traits to enhance the feeling that you're no longer on Earth.