| Countries With The Most Bird Species | 0 | - | 4.93 | 32,601 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,927 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,566 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,628 |
| Animals of Australia | 0 | - | 4.52 | 42,204 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,302 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,703 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,272 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,620 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,660 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,569 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,350 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,094 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,961 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,783 |
| African Great Lakes | 0 | - | 4.82 | 65,540 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,710 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,241 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,735 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,696 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,191 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,376 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,020 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,335 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,836 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,155 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,879 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,029 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,037 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,249 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,064 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,538 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,900 |
| Asian Physical Geography | 0 | - | 4.61 | 35,416 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,909 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,723 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,238 |
| Birds in the Answer | 0 | - | 4.56 | 52,735 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,524 |
| Australian Capitals | 0 | - | 4.92 | 62,636 |
| Rivers of the United States | 0 | - | 4.93 | 65,719 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,778 |
| Official European Union Languages | 0 | - | 4.97 | 237,418 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,178 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,155 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,268 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,957 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,084 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,090 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,878 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,986 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,000 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,783 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,269 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,664 |
| African Physical Geography | 0 | - | 4.51 | 31,600 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,517 |
| European Physical Geography | 0 | - | 4.26 | 33,409 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,083 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,030 |
| Asia Map Quiz | 0 | - | 4.99 | 909,609 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,733 |
| Countries of Africa | 0 | - | 5.00 | 2,516,652 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,130 |
| African East Coast | 0 | - | 4.96 | 95,378 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,239 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,074 |
| Australia Map Quiz | 0 | - | 4.94 | 342,999 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,214 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,344 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,773 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,406 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,632 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,940 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,691 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,090 |
| The Only European Country ... | 0 | - | 4.91 | 214,741 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,067 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,640 |
| South China Sea Countries | 0 | - | 4.78 | 57,554 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,999 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,451 |
| National Animals | 0 | - | 4.24 | 89,228 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,768 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,628 |
| Birds A-Z | 0 | - | 4.24 | 36,415 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,582 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,677 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,026 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,805 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,559 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,730 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,536 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,997 |
| African Island Countries | 0 | - | 4.96 | 101,046 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,215 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,644 |
| Australian States and Territories | 0 | - | 4.96 | 141,219 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,100 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,495 |
| Australia True or False | 0 | - | 4.87 | 56,617 |
| Flags of North and South America | 0 | - | 4.99 | 369,244 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,326 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,419 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,654 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,373 |
| South American Physical Geography | 0 | - | 4.58 | 18,295 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,603 |
| North America Map Quiz | 0 | - | 4.98 | 245,943 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,485 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,238 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,231 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,808 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,288 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,116 |
| Celtic Nations | 0 | - | 4.69 | 46,855 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,271 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,998 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,579 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,044 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,660 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,021 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,975 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,038 |
| Seas of Europe | 0 | - | 4.37 | 84,437 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,088 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,584 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,402 |
| Slavic Countries | 0 | - | 4.96 | 111,114 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,147 |
| Counties of England | 0 | - | 4.97 | 791,523 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,839 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,722 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,077 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,640 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,495 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,112 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,812 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,917 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,346 |
| Countries of the Middle East | 0 | - | 4.96 | 199,561 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,320 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,462 |
| Fictional Birds by Picture | 0 | - | 4.29 | 25,952 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,746 |
| States of India | 0 | - | 4.94 | 191,216 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,294 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,317 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,127 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,389 |
| The Only African Country ... | 0 | - | 4.98 | 128,600 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,878 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,851 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,302 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,983 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,611 |
| Flags of Oceania | 0 | - | 5.00 | 256,405 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,078 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,696 |
| Australia Country Quiz | 0 | - | 4.43 | 69,383 |
| Regions of New Zealand | 0 | - | 4.85 | 28,320 |
| The Only American Country ... | 0 | - | 4.92 | 121,062 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,612 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,419 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,450 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,266 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,157 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,312 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,117 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,648 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,072 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,314 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,635 |
| US States Quiz | 0 | - | 5.00 | 16,753,881 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,657 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,544 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,242 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,745 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,292 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,465 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,257 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,107 |
| Monarchies of Europe | 0 | - | 4.90 | 97,570 |
| European Countries with One Border | 0 | - | 4.97 | 181,961 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,849 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,701 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,323 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,909 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,412 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,588 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,037 |
| States of Germany | 0 | - | 4.96 | 150,781 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,250 |
| Regions of Italy | 0 | - | 4.92 | 75,026 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,021 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,942 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,619 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,929 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,240 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,480 |
