Zêtre is truly a game for all ages and any skill level. It can be adjusted to suit the skill level of the players.

The Basic Rules are geared towards adults and children ages 12 and up. However, you can make the game as challenging or as easy as you want by adjusting the rules to suit the age and skill level of the players.

For instance, the game can be scaled down for younger kids by removing the time limit and just using addition and subtraction. For adults, the game can be made more challenging by adding additional elements like exponents or making use of the letter cards.

Please see our variations to learn how the game can be adjusted for your skill and age level.