| Australian Capitals | 0 | - | 4.92 | 62,707 |
| Australia True or False | 0 | - | 4.87 | 56,803 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,288 |
| Australia Country Quiz | 0 | - | 4.43 | 69,552 |
| Regions of New Zealand | 0 | - | 4.85 | 28,471 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,490 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,084 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,991 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,828 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,045 |
| Official European Union Languages | 0 | - | 4.97 | 238,262 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,697 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,038 |
| Africa Map Quiz | 0 | - | 5.00 | 2,115,765 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,187 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,976 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,761 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,371 |
| Asia Map Quiz | 0 | - | 4.99 | 915,338 |
| Word Chain - Australia | 0 | - | 4.38 | 38,126 |
| Countries of Africa | 0 | - | 5.00 | 2,532,346 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,702 |
| African East Coast | 0 | - | 4.96 | 95,913 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,733 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,552 |
| Australia Map Quiz | 0 | - | 4.95 | 344,081 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,926 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,605 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,706 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,167 |
| Celtic Nations | 0 | - | 4.69 | 46,915 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,924 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,967 |
| The Only European Country ... | 0 | - | 4.91 | 216,215 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,898 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,783 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,776 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,847 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,918 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,776 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,474 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,093 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,161 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,307 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,802 |
| African Island Countries | 0 | - | 4.96 | 101,501 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,205 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,674 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,043 |
| Australian States and Territories | 0 | - | 4.96 | 141,789 |
| Famous Australians by Description | 0 | - | 4.23 | 27,894 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,249 |
| Australian Slang | 0 | - | 4.24 | 28,609 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,549 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,138 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,511 |
| North America Map Quiz | 0 | - | 4.98 | 248,023 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,677 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,168 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,073 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,825 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,373 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,512 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,059 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,347 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,047 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,296 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,134 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,992 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,909 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,105 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,913 |
| Slavic Countries | 0 | - | 4.96 | 111,543 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,311 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,917 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,130 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,609 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,032 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,878 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,731 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,364 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,324 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,135 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,808 |
| Countries of the Middle East | 0 | - | 4.96 | 200,894 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,466 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,963 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,562 |
| Flags of North and South America | 0 | - | 4.99 | 372,350 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,296 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,416 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,773 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,538 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,458 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,952 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,435 |
| Counties of England | 0 | - | 4.97 | 795,429 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,284 |
| States of India | 0 | - | 4.95 | 192,870 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,305 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,705 |
| The Only African Country ... | 0 | - | 4.99 | 129,004 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,089 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,733 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,877 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,068 |
| Flags of Oceania | 0 | - | 5.00 | 258,503 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,277 |
| The Only American Country ... | 0 | - | 4.92 | 121,466 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,999 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,535 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,745 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,797 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,585 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,946 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,398 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,269 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,376 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,828 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,857 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,995 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,734 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,346 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,060 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,997 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,596 |
| Monarchies of Europe | 0 | - | 4.90 | 98,014 |
| European Countries with One Border | 0 | - | 4.97 | 182,596 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,414 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,002 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,638 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,788 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,249 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,654 |
| States of Germany | 0 | - | 4.96 | 152,133 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,937 |
| Regions of Italy | 0 | - | 4.92 | 75,685 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,003 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,750 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,096 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,168 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,906 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,130 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,670 |
| Champions League Winners | 0 | - | 4.92 | 1,005,094 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,430 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,846 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,129 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,516 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,063 |
| Monarchies of Asia | 0 | - | 4.97 | 71,015 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,804 |
| Provinces of Turkey | 0 | - | 4.95 | 203,800 |
| Provinces of China | 0 | - | 4.97 | 203,841 |
| Japanese Prefectures | 0 | - | 4.98 | 136,566 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,760 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,698 |
| States of India Map Quiz | 0 | - | 4.83 | 26,454 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,167 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,685 |
| African Great Lakes | 0 | - | 4.82 | 66,104 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,512 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,461 |
| Name a Valid African Country | 0 | - | 4.98 | 153,879 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,749 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,030 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,436 |
| Palau Country Quiz | 0 | - | 4.90 | 22,987 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,532 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,999 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,836 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,432 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,502 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,216 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,036 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,376 |
| States of Mexico | 0 | - | 4.95 | 175,687 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,579 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,826 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,743 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,947 |
| States of Brazil | 0 | - | 4.97 | 87,750 |
| Central American Countries | 0 | - | 4.98 | 156,185 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,093 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,843 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,395 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,286 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,468 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,832 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,143 |
| US States Quiz | 0 | - | 5.00 | 16,846,524 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,744 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,227 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,376 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,948 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,571 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,005 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,859 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,647 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,573 |
