The Land of Venn - Geometric Defense

App review by
Debbie Gorrell, Common Sense Media
The Land of Venn - Geometric Defense App Poster Image
Insanely fun, weird world seamlessly integrates geometry.

Parents say

age 6+
Based on 3 reviews

Kids say

No reviews yetAdd your rating

Did this review miss something on diversity?

Research shows a connection between kids' healthy self-esteem and positive, diverse representations in books, TV shows, and movies. Want to help us help them? Suggest a diversity update

A lot or a little?

The parents' guide to what's in this app.

Educational Value

Kids can learn about points, lines, and properties of geometric shapes including isosceles, right, and equilateral triangles, quadrilaterals, parallelograms, trapezoids, rectangles, and rhombuses. The game progresses in difficulty and encourages kids to use various strategies in order to eliminate the monsters. For example, in the first few levels, kids tap to make a point, which vaporizes a monster, or a Bookenrider. Then, kids learn that using two points to form a line eliminates several Bookenriders at once, which is more efficient. Eventually, kids use more advanced shapes and their properties to continue to eliminate monsters and save the Land of Venn. Captivating and delightfully weird, The Land of Venn teaches kids geometry basics through engaging gameplay.

Ease of Play

Touchscreen features are easy to use and control. Tutorials walk kids through new abilities at different levels.

Violence & Scariness

Monsters are vaporized -- there isn't any blood, but there are fire and explosions.

Sexy Stuff
Drinking, Drugs & Smoking

What parents need to know

Parents need to know that The Land of Venn -- Geometric Defense is a kooky, fast-paced game that allows kids to use principles of geometry to defeat an evil wizard named Apeirogon and his monsters. By drawing points, lines, and shapes, kids stop the monsters, called Bookkenriders, from drinking all of the Magic Juice found in the Land of Venn. Kids earn coins as they play and can spend them at the Wizard's Wall to buy magic spells that can help them win. Kids are bound to find the game, with its crazy creatures and wonderful soundtrack, seriously fun.

User Reviews

  • Parents say
  • Kids say
Adult Written byRandAMama January 6, 2020

Stuck with basic concepts, couldn’t advance to challenge.

Graphics are nice and simple and not commercial. We couldn’t find a challenging level without first going through mind numbing basic concepts that felt too muc... Continue reading
Parent Written byKimPal April 12, 2015

I prefer no gunfire sounds for 6 year olds

The game starts with a lightning shooter that sounds exactly like gunfire. Not appropriate for young kids! Was this actually looked at by anyone before recommen... Continue reading

There aren't any reviews yet. Be the first to review this title.

What's it about?

The Land of Venn is in danger of being overrun by Bookenriders -- crazy monsters that roam the land and drink its Magic Juice. Using points, lines, and shapes, kids vaporize Bookenriders and prevent them from drinking the juice and destroying the land. Kids strategically draw shapes to eliminate the Bookenriders as efficiently as possible. As the game progresses, the Bookenriders become more challenging, but kids can earn coins to purchase magic spells. There are 3 wacky worlds to protect, 15 different monsters to battle, 30 levels to complete, and 12 abilities to master, including the Point of Fire, Straight Line of Hope, the Trapezoid of Doom, and much more.

Is it any good?

THE LAND OF VENN – GEOMETRIC DEFENSE is a shining example of learning through gameplay. While geared toward kids in grades 1 through 4, it's sure to be a hit with kids both young and old. The characters are crazy and quirky, the soundtrack is delightful, and the game is insanely engaging. Bookenriders continue to challenge kids by trying to get to the Magic Juice in different ways -- crawling, flying, jumping, driving, and more. The brief tutorials teach concepts in easy-to-understand language, and then kids can immediately apply the concepts as they play different levels. Kids probably won't realize just how much they are learning about geometry as they tap, drag, and draw shapes to defeat the monsters and win the game.

Talk to your kids about ...

  • Families can talk about different strategies that kids can use to master the different levels. Which strategies worked best? Why?

  • Families can talk about the shapes that kids use in the game. Discuss different properties of isosceles, right, and equilateral triangles, quadrilaterals, parallelograms, trapezoids, rectangles, squares, and rhombuses. Have kids draw an example of each.

App details

Our editors recommend

For kids who love math fun

Common Sense Media's unbiased ratings are created by expert reviewers and aren't influenced by the product's creators or by any of our funders, affiliates, or partners.

See how we rate

About these links

Common Sense Media, a nonprofit organization, earns a small affiliate fee from Amazon or iTunes when you use our links to make a purchase. Thank you for your support.

Read more

Our ratings are based on child development best practices. We display the minimum age for which content is developmentally appropriate. The star rating reflects overall quality and learning potential.

Learn how we rate