From the game rules:
In this game, you become a storm chaser who photographs special light phenomena appearing above lightning-rich thunderstorms.
All you need to play this game is a deck of ordinary playing cards.

Recommended number of players: 1–6 (yes, you can try it alone, too)
Recommended age: 8+
Game duration: 15–25 minutes

Read the Game Rules for more information!
Enjoy!

Big thanks to all who contributed with images to illustrating the game rules: Nicolas Escurat, Paul Smith, Christophe Suarez, Oscar van der Velde, Serafin Zufferey.

This game is also listed in the education material section of this site.