| Australian Capitals | 0 | - | 4.92 | 62,754 |
| Australia True or False | 0 | - | 4.87 | 56,953 |
| Australia Country Quiz | 0 | - | 4.43 | 69,669 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,568 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,429 |
| Regions of New Zealand | 0 | - | 4.84 | 28,591 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,594 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,692 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,323 |
| Official European Union Languages | 0 | - | 4.97 | 238,921 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,129 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,022 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,723 |
| Oceania Map Quiz | 0 | - | 4.98 | 651,259 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,106 |
| Celtic Nations | 0 | - | 4.69 | 46,996 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,026 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,723 |
| Asia Map Quiz | 0 | - | 4.99 | 919,636 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,101 |
| African East Coast | 0 | - | 4.96 | 96,281 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,142 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,911 |
| Word Chain - Australia | 0 | - | 4.38 | 38,171 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,796 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,742 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,563 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,110 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,676 |
| The Only European Country ... | 0 | - | 4.91 | 217,389 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,579 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,915 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,293 |
| Countries of Africa | 0 | - | 5.00 | 2,544,949 |
| Australia Map Quiz | 0 | - | 4.95 | 345,144 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,035 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,835 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,764 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,076 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,554 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,429 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,098 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,160 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,347 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,795 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,479 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,434 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,835 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,447 |
| African Island Countries | 0 | - | 4.96 | 101,872 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,827 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,700 |
| Australian States and Territories | 0 | - | 4.96 | 142,226 |
| Famous Australians by Description | 0 | - | 4.23 | 28,003 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,365 |
| Australian Slang | 0 | - | 4.24 | 28,656 |
| Flags of North and South America | 0 | - | 4.99 | 374,290 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,711 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,397 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,106 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,736 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,639 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,815 |
| North America Map Quiz | 0 | - | 4.98 | 249,461 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,806 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,649 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,705 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,304 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,964 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,527 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,733 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,924 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,434 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,370 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,358 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,536 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,579 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,219 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,996 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,557 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,396 |
| Slavic Countries | 0 | - | 4.96 | 111,880 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,472 |
| Counties of England | 0 | - | 4.97 | 798,853 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,846 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,409 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,024 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,362 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,221 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,233 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,789 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,648 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,754 |
| Countries of the Middle East | 0 | - | 4.96 | 201,685 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,591 |
| States of India | 0 | - | 4.95 | 194,103 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,392 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,889 |
| The Only African Country ... | 0 | - | 4.99 | 129,271 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,207 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,068 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,109 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,400 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,405 |
| Flags of Oceania | 0 | - | 5.00 | 260,509 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,707 |
| The Only American Country ... | 0 | - | 4.92 | 121,817 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,274 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,188 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,839 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,401 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,609 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,753 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,616 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,405 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,029 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,205 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,042 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,850 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,702 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,387 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,985 |
| Monarchies of Europe | 0 | - | 4.90 | 98,352 |
| European Countries with One Border | 0 | - | 4.97 | 183,117 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,896 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,748 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,997 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,094 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,836 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,161 |
| States of Germany | 0 | - | 4.95 | 153,181 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,283 |
| Regions of Italy | 0 | - | 4.92 | 76,232 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,422 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,405 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,414 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,151 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,150 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,754 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,706 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,258 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,550 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,476 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,388 |
| Monarchies of Asia | 0 | - | 4.97 | 71,223 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,021 |
| Provinces of Turkey | 0 | - | 4.95 | 204,638 |
| Provinces of China | 0 | - | 4.97 | 205,620 |
| Japanese Prefectures | 0 | - | 4.98 | 137,598 |
| Word Chain - Africa | 0 | - | 4.47 | 31,651 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,296 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,930 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,307 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,646 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,674 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,872 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,598 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,410 |
| Slavic Languages | 0 | - | 4.67 | 54,466 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,664 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,154 |
| Champions League Winners | 0 | - | 4.92 | 1,009,843 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,580 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,620 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,026 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,890 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,927 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,953 |
| China's Territorial Disputes | 0 | - | 4.47 | 35,692 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,017 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,079 |
| States of India Map Quiz | 0 | - | 4.83 | 26,610 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,348 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,819 |
| African Great Lakes | 0 | - | 4.82 | 66,515 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,766 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,814 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,853 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,130 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,590 |
| Palau Country Quiz | 0 | - | 4.90 | 23,055 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,676 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,277 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,134 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,481 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,866 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,555 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,383 |
| States of Mexico | 0 | - | 4.96 | 176,775 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,082 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,094 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,171 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,238 |
| States of Brazil | 0 | - | 4.97 | 88,582 |
| Central American Countries | 0 | - | 4.98 | 156,767 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 112,957 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 149,057 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,107 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,870 |
