| Countries With The Most Bird Species | 0 | - | 4.93 | 33,316 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,793 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,910 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,832 |
| Animals of Australia | 0 | - | 4.53 | 42,530 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,146 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,039 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,251 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,512 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,788 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,767 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,795 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,546 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,287 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,951 |
| African Great Lakes | 0 | - | 4.82 | 67,135 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,829 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,109 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,548 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,235 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,121 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,569 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,071 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,553 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,576 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,672 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,407 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,828 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,061 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,757 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,460 |
| Asian Physical Geography | 0 | - | 4.61 | 35,643 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,058 |
| African Physical Geography | 0 | - | 4.51 | 31,839 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,685 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,007 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,757 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,143 |
| Birds in the Answer | 0 | - | 4.56 | 52,954 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,688 |
| Australian Capitals | 0 | - | 4.92 | 62,863 |
| Rivers of the United States | 0 | - | 4.93 | 66,793 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,871 |
| Official European Union Languages | 0 | - | 4.97 | 240,388 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,838 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,773 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,360 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,236 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,360 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,631 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,988 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,573 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,390 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,640 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,335 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,466 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,808 |
| European Physical Geography | 0 | - | 4.26 | 33,618 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,429 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,513 |
| Asia Map Quiz | 0 | - | 4.99 | 926,878 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,926 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,968 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,620 |
| Australia Map Quiz | 0 | - | 4.95 | 346,521 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,330 |
| United States Map Quiz | 0 | - | 4.98 | 4,173,731 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,377 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,997 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,264 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,620 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,391 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,517 |
| The Only European Country ... | 0 | - | 4.91 | 219,630 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,854 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,110 |
| South China Sea Countries | 0 | - | 4.78 | 57,890 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,192 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,388,087 |
| Countries of Africa | 0 | - | 5.00 | 2,565,147 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,267 |
| African East Coast | 0 | - | 4.96 | 96,936 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,824 |
| National Animals | 0 | - | 4.24 | 90,270 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,914 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,838 |
| Birds A-Z | 0 | - | 4.24 | 36,660 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,746 |
| Australian States and Territories | 0 | - | 4.96 | 143,073 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,547 |
| Australia True or False | 0 | - | 4.87 | 57,218 |
| Flags of North and South America | 0 | - | 4.99 | 378,226 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,984 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,886 |
| South America Map Quiz | 0 | - | 5.00 | 1,558,539 |
| South American Physical Geography | 0 | - | 4.58 | 18,414 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,789 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,511 |
| North America Map Quiz | 0 | - | 4.98 | 252,850 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,039 |
| Canada Provinces and Territories | 0 | - | 5.00 | 347,161 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,443 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,672 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,661 |
| Celtic Nations | 0 | - | 4.61 | 47,129 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,329 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,795 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,554 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,308 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,916 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,145 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,213 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,565 |
| Seas of Europe | 0 | - | 4.37 | 84,966 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,766 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,382 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,921 |
| Slavic Countries | 0 | - | 4.96 | 112,519 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,757 |
| Counties of England | 0 | - | 4.97 | 804,383 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,045 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,949 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,743 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,091 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,338 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,043 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,501 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,236 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,914 |
| Countries of the Middle East | 0 | - | 4.96 | 203,297 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,823 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,581 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,212 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,185 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,078 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,718 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,642 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,990 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,503 |
| African Island Countries | 0 | - | 4.96 | 102,751 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,902 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,537 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,779 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,256 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,877 |
| Flags of Oceania | 0 | - | 5.00 | 263,530 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,812 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 146,692 |
| Australia Country Quiz | 0 | - | 4.43 | 69,891 |
| Regions of New Zealand | 0 | - | 4.84 | 28,801 |
| The Only American Country ... | 0 | - | 4.92 | 122,360 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,786 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,545 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,981 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,320 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,327 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,965 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,991 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 76,078 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 75,237 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,341 |
| US States Quiz | 0 | - | 5.00 | 17,025,016 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,624 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,103 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 97,004 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,748 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,888 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,918 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,829 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,636 |
| Monarchies of Europe | 0 | - | 4.90 | 99,047 |
| European Countries with One Border | 0 | - | 4.97 | 184,044 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,761 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,081 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,574 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,959 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,592 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,827 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,991 |
| States of Germany | 0 | - | 4.95 | 154,962 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,815 |
| Regions of Italy | 0 | - | 4.92 | 77,270 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,923 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,607 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,907 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,881 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,650 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,310 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,849 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,873 |
| Champions League Winners | 0 | - | 4.92 | 1,018,151 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,119 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 107,086 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,309 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,866 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,897 |
| Monarchies of Asia | 0 | - | 4.97 | 71,617 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,366 |
| Provinces of Turkey | 0 | - | 4.95 | 206,333 |
