| Countries With The Most Bird Species | 0 | - | 4.93 | 33,006 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,946 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,269 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,281 |
| Animals of Australia | 0 | - | 4.52 | 42,359 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,779 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,911 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,405 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,947 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,362 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,790 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,208 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,480 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,292 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,633 |
| African Great Lakes | 0 | - | 4.82 | 66,436 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,769 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,340 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,022 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,924 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,504 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,749 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,312 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,974 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,263 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,461 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,167 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,484 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,587 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,514 |
| African Physical Geography | 0 | - | 4.51 | 31,732 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,520 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,805 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,217 |
| Asian Physical Geography | 0 | - | 4.61 | 35,558 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,542 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,419 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,623 |
| Birds in the Answer | 0 | - | 4.56 | 52,866 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,610 |
| Australian Capitals | 0 | - | 4.92 | 62,743 |
| Rivers of the United States | 0 | - | 4.93 | 66,299 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,286 |
| Official European Union Languages | 0 | - | 4.97 | 238,829 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,070 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,119 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,313 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,109 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,400 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,581 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,246 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,188 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,326 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,094 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,320 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,942 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,565 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,658 |
| European Physical Geography | 0 | - | 4.26 | 33,536 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,811 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,373 |
| Asia Map Quiz | 0 | - | 4.99 | 918,915 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,854 |
| Countries of Africa | 0 | - | 5.00 | 2,543,150 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,045 |
| African East Coast | 0 | - | 4.96 | 96,225 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,085 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,844 |
| Australia Map Quiz | 0 | - | 4.95 | 344,979 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,280 |
| United States Map Quiz | 0 | - | 4.98 | 4,162,528 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,694 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,723 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,449 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,914 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,080 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,599 |
| The Only European Country ... | 0 | - | 4.91 | 217,249 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,482 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,895 |
| South China Sea Countries | 0 | - | 4.78 | 57,744 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,195 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,516 |
| National Animals | 0 | - | 4.24 | 89,748 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,836 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,743 |
| Birds A-Z | 0 | - | 4.24 | 36,552 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,062 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,715 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,257 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,755 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,427 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,401 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,765 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,351 |
| African Island Countries | 0 | - | 4.96 | 101,818 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,743 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,695 |
| Australian States and Territories | 0 | - | 4.96 | 142,185 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,352 |
| Australia True or False | 0 | - | 4.87 | 56,936 |
| Flags of North and South America | 0 | - | 4.99 | 374,021 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,693 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,355 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,041 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,307 |
| South American Physical Geography | 0 | - | 4.58 | 18,365 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,626 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,267 |
| North America Map Quiz | 0 | - | 4.98 | 249,177 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,795 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,442 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,368 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,280 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,414 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,508 |
| Celtic Nations | 0 | - | 4.69 | 46,978 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,302 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,861 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,375 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,219 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,318 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,500 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,112 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,662 |
| Seas of Europe | 0 | - | 4.37 | 84,713 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,546 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,504 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,349 |
| Slavic Countries | 0 | - | 4.96 | 111,830 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,442 |
| Counties of England | 0 | - | 4.97 | 798,463 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,416 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,356 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,956 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,179 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,161 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,724 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,602 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,676 |
| Countries of the Middle East | 0 | - | 4.96 | 201,561 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,578 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,606 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,141 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,823 |
| States of India | 0 | - | 4.95 | 193,954 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,574 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,734 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,378 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,857 |
| The Only African Country ... | 0 | - | 4.99 | 129,250 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,185 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,943 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,005 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,663 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,355 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,237 |
| Flags of Oceania | 0 | - | 5.00 | 260,266 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,411 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,628 |
| Australia Country Quiz | 0 | - | 4.43 | 69,657 |
| Regions of New Zealand | 0 | - | 4.84 | 28,580 |
| The Only American Country ... | 0 | - | 4.92 | 121,774 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,243 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,794 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,145 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,804 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,349 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,574 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,685 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,578 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,314 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,016 |
| US States Quiz | 0 | - | 5.00 | 16,908,212 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,181 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,011 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,780 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,618 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,331 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,553 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,946 |
| Monarchies of Europe | 0 | - | 4.90 | 98,303 |
| European Countries with One Border | 0 | - | 4.97 | 183,052 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,828 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,915 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,665 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,875 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,043 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,732 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,074 |
| States of Germany | 0 | - | 4.95 | 153,037 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,232 |
| Regions of Italy | 0 | - | 4.92 | 76,175 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,375 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,268 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,373 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,012 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,112 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,076 |
