| 414,027 | Countries with the Longest Coastlines |
| 301,388 | Three Letter Animals Quiz |
| 240,626 | Disney Animals |
| 239,953 | Famous Animals #1 |
| 219,006 | Animals by Close-up Image |
| 206,615 | Dog Breed Picture Quiz |
| 191,999 | Animal Sounds |
| 184,051 | Movies with Animals in the Title #1 |
| 165,303 | Draw All Country Borders and Borderless Countries |
| 158,282 | Seas of the World |
| 151,041 | Baby, Male and Female Animals |
| 143,923 | Types of Bears |
| 138,692 | Top 10 European Countries by Coastline |
| 138,406 | Word Scramble - Animals #1 |
| 137,541 | World's Longest Rivers |
| 137,212 | Countries with Wild Tigers |
| 135,917 | Seas on the World Map |
| 135,242 | Megadiverse Countries |
| 134,955 | French Animal Words |
| 129,635 | Songs with Animals in the Title #1 |
| 116,372 | Name a Valid Country Bordering Each Sea |
| 116,155 | Countries That Touch the Baltic Sea |
| 115,926 | Five Countries with the Longest Coastline by Continent |
| 114,123 | Animals that Start with B |
| 114,005 | Most Popular Dog Breeds in the U.S. |
| 113,089 | Countries that Catch the Most Fish |
| 112,413 | Animals that Start with A |
| 110,774 | Deadly Animals |
| 109,039 | Fish by Picture #1 |
| 108,767 | Movies with Animals in the Title #2 |
| 108,528 | Countries with the Most Wolves |
| 108,089 | Sayings About Animals #1 |
| 107,474 | Top 15 Countries with the Most Cows |
| 107,428 | Animals that Start with F |
| 105,842 | Flowers by Picture |
| 105,215 | Famous Rivers |
| 103,610 | Countries with the Most Sheep |
| 102,413 | Animals that Start with L |
| 101,510 | 100 Rivers on a World Map |
| 101,288 | Countries with Fjords |
| 100,498 | Countries with Wild Penguins |
| 97,092 | Seas that Touch the Most Countries |
| 96,665 | Top 10 Asian Countries by Coastline |
| 96,288 | Man Outruns Slow Animals - Sudden Death |
| 95,954 | Spanish Animal Words |
| 93,899 | Animals A-Z #1 |
| 93,513 | Animals that Start with C |
| 93,138 | Animal Varieties #1 |
| 92,774 | American Countries With No Atlantic Coastline |
| 92,396 | Mammals by Picture #1 |
| 92,088 | Animals that Start with T |
| 91,863 | Landforms Fill in the Blank |
| 90,204 | National Animals |
| 89,905 | Biggest Lakes in the World |
| 88,810 | Animals that Start with O |
| 88,590 | Top 10 American Countries by Coastline |
| 88,285 | World's Longest Rivers on a Map |
| 87,671 | North Sea Countries |
| 87,651 | Animals that Start with R |
| 87,652 | Animals that Start with S |
| 87,501 | Countries with the Most Venomous Animal Species |
| 87,254 | Animals that Start with D |
| 86,560 | Animals that Start with H |
| 86,453 | Animals that Start with P |
| 86,275 | Mammals - Sudden Death |
| 85,880 | Sayings About Animals #2 |
| 85,195 | Animal Emojis |
| 84,887 | Seas of Europe |
| 84,271 | Animals that Start with M |
| 84,026 | Natural Features of Countries #1 |
| 82,051 | Tectonic Plates Map Quiz |
| 80,372 | Animals that Start with G |
| 80,335 | Australian Animals - Sudden Death |
| 79,288 | Trace the Coast of Europe with a Map |
| 77,462 | Dog Breeds - Sudden Death |
| 77,360 | Sayings About Animals #3 |
| 77,102 | Countries With No Rivers |
| 75,716 | Bay of Bengal Countries With an Empty Map |
| 74,975 | Countries Farthest From the Sea |
| 74,725 | Books with Animals in the Title #1 |
| 74,662 | Brand-Name Animals |
| 74,163 | Animals that Start with E |
| 73,272 | Biggest Animals by Category |
| 72,480 | Bodies of Water by Satellite Image #1 |
| 71,326 | Countries That Touch the Adriatic Sea |
| 70,847 | U.S. Cities with Landforms in The Name |
| 69,969 | Head to Head - Animals |
| 69,890 | Cartoon Catchphrases Quiz |
| 69,498 | African Animals - Sudden Death |
| 69,242 | Top 10 Countries with the Most Horses |
| 68,840 | Dog in the Answers |
| 68,595 | Birds - Sudden Death |
| 67,988 | North American Bird-Named Teams |
| 67,884 | Big Cats |
| 67,360 | Countries with the Shortest Coastlines |
| 67,017 | Countries Closest to the Aegean Sea |
| 66,916 | African Great Lakes |
| 66,838 | Animal Varieties #2 |
| 66,835 | Animals A-Z by Picture |
| 66,729 | Animals that Start with K |
| 66,623 | Rivers of the United States |
| 66,513 | Animals A-Z #2 |
| 65,896 | 100 Longest Rivers in Europe - with a Map |
| 65,701 | European Countries with NO Wolves |
| 65,564 | Countries That Touch the Red Sea |
| 64,351 | Animals: No Vowels #1 |
| 63,659 | Countries with NO Snakes |
| 63,669 | Build-a-Bird by Guessing Countries |
| 63,659 | Caspian Sea Countries |
| 62,968 | Name a Valid Country on Each River |
| 62,479 | Mammals by Picture #3 |
| 62,249 | Bear in the Answers |
| 61,625 | Countries with More Cows than People |
| 61,023 | U.S. States with Alligators |
| 60,932 | African Great Lake Countries with an Empty Map |
| 60,724 | Black Sea Countries |
| 60,189 | Animal Adjectives |
| 59,943 | Animal Anatomy Quiz |
| 59,745 | Trace the Coast of Afro-Eurasia with a Map |
| 58,737 | Where Does It Grow? Click Quiz #1 |
| 58,677 | Click the Animal Adjective |
| 58,546 | Mammals by Picture #2 |
| 57,838 | Capital Cities by Body of Water |
| 57,835 | South China Sea Countries |
| 57,581 | Famous Animals #2 |
| 56,818 | Rivers of Europe Quiz |
| 56,341 | Multiple Choice Animal Quiz #1 |
| 56,290 | Mississippi River States Empty Map Quiz |
| 56,159 | Trace the Coast of the World Map |
| 56,128 | Trace the Coast of the Americas with a Map |
| 55,836 | Pick a Picture - Animal Relations |
| 55,575 | Animal Varieties #3 |
| 55,149 | Countries with the Most Wild Elephants |
| 53,443 | Mekong River Countries Empty Map Quiz |
| 52,950 | Biggest City by River |
| 52,923 | Birds in the Answer |
| 52,964 | Bodies of Water on the World Map |
| 52,596 | Word Scramble - Animals #2 |
| 52,012 | Landforms by Country |
| 50,921 | Top 10 U.S. States with the Longest Coastline |
| 50,925 | Nile River Basin Countries on a Map |
| 50,685 | Layers of the Earth and Atmosphere |
| 50,638 | Great Lakes Quiz |
| 50,548 | Movies with Landforms in the Name |
| 49,794 | Animals - Real or Fictional? |
| 49,456 | Word Scramble - Random Animals |
| 49,138 | Sea in the Answers |
| 48,384 | Capitals by River |
| 47,994 | Top 10 African Countries by Coastline |
| 47,866 | U.S. States with More Cows than People |
| 47,478 | "Big Five" African Game Animals |
| 47,356 | Animals that Start with W |
| 46,906 | Animals by Skeleton Image |
| 46,465 | Fictional Animals #1 |
| 45,988 | Aquatic Mammals by Picture |
| 45,931 | Top Countries for Shark Attacks |
| 45,931 | Trees in the Answer |
| 45,913 | U.S. States With Palm Trees |
| 45,734 | Rivers and Lakes whose Names are Countries |
| 45,627 | Name that Bug |
| 44,714 | Cities on a Map of the Great Lakes |
| 44,663 | Animals in World History |
| 44,412 | Animal Ranges - Do They Live There? |
| 44,041 | Animal Populations of Countries |
| 43,720 | Animal Idioms Quiz #2 |
| 43,718 | Fish... or Not a Fish? |
| 43,610 | Words Containing Animals #1 |
| 43,407 | Famous Animals Quiz #3 |
| 43,162 | Animal Idioms Quiz #1 |
| 43,033 | Animal Facts |
| 42,595 | People with Animal Names #1 |
| 42,472 | Animals of Australia |
| 42,226 | Sayings About Animals #4 |
| 42,025 | Birds by Picture #1 |
| 41,505 | Words that are Animals |
| 40,553 | Name the Cat Flags |
| 40,469 | Rivers that Flow through the Most Countries |
| 40,101 | Geological Extremes |
| 39,846 | Major U.S. Rivers with State Names |
| 39,808 | Most Populous River Basins |
| 39,465 | Amazon... or Nile? |
| 39,374 | 10 Longest Rivers in the United States |
| 38,495 | Draw the Coast of the Mediterranean on the Map |
| 38,380 | 50 Rivers on a World Map |
| 37,619 | Natural Features of Countries #2 |
| 37,478 | Animal Stereotypes |
| 37,215 | Click to Complete the Song Title - Animals #1 |
| 37,026 | Animals in the Bible |
| 36,689 | Birds by Picture #2 |
| 36,611 | Birds A-Z |
| 36,383 | Fictional Animals #2 |
| 36,184 | Bodies of Water around the Arabian Peninsula |
| 36,156 | A Whale of a Quiz |
| 35,898 | City to River #1 |
| 35,885 | Tectonic Plates on a Map |
| 35,697 | U.S States with the Fewest Cows |
| 35,617 | Asian Physical Geography |
| 35,466 | Extinct Animals by Picture |
| 35,159 | Bear Knowledge |
| 34,540 | Dog Knowledge |
