| Australian Capitals | 0 | - | 4.92 | 62,584 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,011 |
| Australia True or False | 0 | - | 4.87 | 56,460 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,874 |
| Australia Country Quiz | 0 | - | 4.43 | 69,232 |
| Regions of New Zealand | 0 | - | 4.85 | 28,097 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 525,981 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,317 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,908 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,513 |
| Official European Union Languages | 0 | - | 4.97 | 236,335 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,594 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,004 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,601 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,390 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,668 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,807 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,941 |
| Asia Map Quiz | 0 | - | 4.99 | 905,650 |
| Word Chain - Australia | 0 | - | 4.37 | 38,000 |
| Countries of Africa | 0 | - | 5.00 | 2,504,083 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,704 |
| African East Coast | 0 | - | 4.96 | 94,907 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,780 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,716 |
| Australia Map Quiz | 0 | - | 4.94 | 342,212 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,812 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,709 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,051 |
| Celtic Nations | 0 | - | 4.69 | 46,796 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,480 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,323 |
| The Only European Country ... | 0 | - | 4.91 | 213,463 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,305 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,523 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,281 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,374,522 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,177 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,462 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,457 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,145 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,414 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,903 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,237 |
| African Island Countries | 0 | - | 4.96 | 100,645 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,435 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,627 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,965 |
| Australian States and Territories | 0 | - | 4.95 | 140,545 |
| Famous Australians by Description | 0 | - | 4.23 | 27,414 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,987 |
| Australian Slang | 0 | - | 4.25 | 28,451 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,103 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,934 |
| North America Map Quiz | 0 | - | 4.98 | 243,964 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,336 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,494 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,531 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,224 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,572 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,184 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,018 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,397 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,770 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,548 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,495 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,156 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,131 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,056 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,005 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,256 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,669 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,315 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,126 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,578 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,352 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,571 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,587 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,006 |
| Countries of the Middle East | 0 | - | 4.96 | 198,688 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,214 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,154 |
| 10 African Countries with the Most Tourists | 0 | - | 4.38 | 60,092 |
| Flags of North and South America | 0 | - | 4.99 | 365,386 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,204 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,321 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,226 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,281 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,223,883 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,509 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,092 |
| Counties of England | 0 | - | 4.97 | 788,234 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,414 |
| States of India | 0 | - | 4.94 | 189,659 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,967 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,195 |
| The Only African Country ... | 0 | - | 4.99 | 128,255 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,732 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,938 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,183 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,002 |
| Flags of Oceania | 0 | - | 5.00 | 254,573 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,300 |
| The Only American Country ... | 0 | - | 4.92 | 120,648 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,247 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,327 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,467 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,849 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,814 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,780 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,828 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,144 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,741 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,965 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,423 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,284 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,261 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,954 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,197 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,624 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,102 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,630 |
| Monarchies of Europe | 0 | - | 4.90 | 97,198 |
| European Countries with One Border | 0 | - | 4.97 | 181,443 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,960 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,749 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,558 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,095 |
| Regions of France Map Quiz | 0 | - | 4.97 | 142,986 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,546 |
| States of Germany | 0 | - | 4.96 | 149,745 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,898 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,481 |
| Regions of Italy | 0 | - | 4.92 | 74,589 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,724 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,130 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,050 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,859 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,829 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,920 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,392 |
| Champions League Winners | 0 | - | 4.92 | 994,945 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,925 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,906 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,239 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,525 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,275 |
| Monarchies of Asia | 0 | - | 4.97 | 70,532 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,376 |
| Provinces of Turkey | 0 | - | 4.95 | 199,899 |
| Provinces of China | 0 | - | 4.97 | 199,675 |
| Japanese Prefectures | 0 | - | 4.98 | 134,256 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,115 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,698 |
| States of India Map Quiz | 0 | - | 4.82 | 25,984 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,701 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,284 |
| African Great Lakes | 0 | - | 4.82 | 65,018 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,773 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,283 |
| Name a Valid African Country | 0 | - | 4.98 | 152,797 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,447 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,784 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,971 |
| Palau Country Quiz | 0 | - | 4.89 | 22,814 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,167 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,416 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,109 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,274 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,331 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,990 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,997 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,831 |
| States of Mexico | 0 | - | 4.95 | 173,003 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,665 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,035 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,758 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,310 |
| States of Brazil | 0 | - | 4.98 | 86,179 |
| Central American Countries | 0 | - | 4.98 | 154,907 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,543 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,373 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,505 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,020 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,928 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,476 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,517 |
| US States Quiz | 0 | - | 5.00 | 16,677,318 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,039 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,067 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,355 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,415 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,420 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,160 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,017 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,592 |
