| Australian Capitals | 0 | - | 4.92 | 62,598 |
| Australia True or False | 0 | - | 4.87 | 56,536 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,953 |
| Australia Country Quiz | 0 | - | 4.43 | 69,320 |
| Regions of New Zealand | 0 | - | 4.85 | 28,228 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,100 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,603 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,663 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,802 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,240 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,635 |
| Official European Union Languages | 0 | - | 4.97 | 237,055 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,771 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,908 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,473 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,897 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,745 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,496 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,709 |
| Asia Map Quiz | 0 | - | 4.99 | 907,725 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,891 |
| Word Chain - Australia | 0 | - | 4.37 | 38,017 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,487 |
| Countries of Africa | 0 | - | 5.00 | 2,510,203 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,886 |
| African East Coast | 0 | - | 4.96 | 95,129 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,009 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,888 |
| Australia Map Quiz | 0 | - | 4.94 | 342,662 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,303 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,249 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,180 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,501 |
| Celtic Nations | 0 | - | 4.69 | 46,826 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,569 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,710 |
| The Only European Country ... | 0 | - | 4.91 | 214,082 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,720 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,585 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,563 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,609 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,469 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,724 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,641 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,362 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,551 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,248 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,580 |
| African Island Countries | 0 | - | 4.96 | 100,858 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,802 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,770 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,636 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,986 |
| Australian States and Territories | 0 | - | 4.96 | 140,984 |
| Famous Australians by Description | 0 | - | 4.23 | 27,651 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,035 |
| Australian Slang | 0 | - | 4.25 | 28,491 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,185 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,223 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,344 |
| North America Map Quiz | 0 | - | 4.98 | 244,796 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,397 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,218 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,679 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,528 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,532 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,251 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,002 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,780 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,381 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,536 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,529 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,910 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,022 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,155 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,645 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 110,355 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,351 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,274 |
| Slavic Countries | 0 | - | 4.96 | 110,923 |
| All Slavic Languages With a Map | 0 | - | 4.98 | 68,585 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,062 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,410 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,864 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,481 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,324 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,844 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,587 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,755 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,921 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,225 |
| Official and Regional Languages of Asia on a Map | 0 | - | 5.00 | 67,523 |
| Countries of the Middle East | 0 | - | 4.96 | 199,109 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,264 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,985 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,192 |
| Flags of North and South America | 0 | - | 4.99 | 367,893 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,782 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,773 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,273 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,334 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,268 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,613 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,184 |
| Counties of England | 0 | - | 4.97 | 789,829 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,443 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,219 |
| States of India | 0 | - | 4.94 | 190,509 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,020 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,282 |
| The Only African Country ... | 0 | - | 4.99 | 128,410 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,804 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,146 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,493 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,167 |
| Flags of Oceania | 0 | - | 5.00 | 255,583 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,494 |
| The Only American Country ... | 0 | - | 4.92 | 120,833 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,407 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,367 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,990 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,063 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,949 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,078 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,007 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,436 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,929 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,119 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,540 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,412 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,407 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,090 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,495 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,999 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,295 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,891 |
| Monarchies of Europe | 0 | - | 4.90 | 97,388 |
| European Countries with One Border | 0 | - | 4.97 | 181,723 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,631 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,348 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,046 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,503 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,530 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,192 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,091 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,899 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,230 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,263 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,302 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,820 |
| States of Germany | 0 | - | 4.96 | 150,269 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,100 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,569 |
| Regions of Italy | 0 | - | 4.92 | 74,822 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,891 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,467 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,288 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,366 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,093 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,213 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,551 |
| Champions League Winners | 0 | - | 4.92 | 997,259 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,043 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,135 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,447 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,960 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,493 |
| Monarchies of Asia | 0 | - | 4.97 | 70,642 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,458 |
| Provinces of Turkey | 0 | - | 4.95 | 201,569 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,090 |
| Provinces of China | 0 | - | 4.97 | 200,440 |
| Japanese Prefectures | 0 | - | 4.98 | 134,784 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,277 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,996 |
| Kazakhstan Country Quiz | 0 | - | 4.82 | 34,354 |
| States of India Map Quiz | 0 | - | 4.82 | 26,077 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,813 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,384 |
| African Great Lakes | 0 | - | 4.82 | 65,261 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,915 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,419 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,170 |
| Name a Valid African Country | 0 | - | 4.98 | 153,041 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,515 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,836 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,085 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,075 |
| Palau Country Quiz | 0 | - | 4.89 | 22,853 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,247 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,556 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,250 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,307 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,375 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,038 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,149 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,967 |
| States of Mexico | 0 | - | 4.95 | 173,571 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,894 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,225 |
