Chart the Lakes

Lake Navigator

Test your knowledge of the world's lakes by locating major lakes on the map, from the Caspian Sea and Lake Superior to Lake Victoria, Lake Baikal, and more.

Your Mission

Pin each Lake as close to its real outline as you can.

10 targetsShuffled each run

Private ChallengeScores stay hidden

Share & CompareChallenge your friends

Start Challenge

Get your unique challenge link to begin.

How it Works

1

Drop a Pin

Tap where you think it lies — drag the pin to fine-tune, drag elsewhere to pan

2

Lock It In

Watch the map fly to the real lake

3

Compare Results

Share and see who read it closer

Incoming Challenge

You've Been Challenged

A friend already pinned all the lakes and dared you to beat them. Same targets, same order — their score stays hidden until you finish your own run.

From A navigator

Locked in a score across all targets

Accept to take the exact same course and find out who reads world geography closer, lake by lake.

How it Works

Same map, same order, head-to-head

Drop your pin as close to each real lake as you can — closer placements score higher. At the end you'll get a full head-to-head breakdown.

Mission Complete

0%

Average Placement Accuracy

Rival

0%

VS

You

0%

Leave this run?

Lake Navigator

Your Mission

Start Challenge

You've Been Challenged

From A navigator

How it Works