| Australian Capitals | 0 | - | 4.92 | 62,739 |
| Australia True or False | 0 | - | 4.87 | 56,922 |
| Australia Country Quiz | 0 | - | 4.43 | 69,650 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,186 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,387 |
| Regions of New Zealand | 0 | - | 4.84 | 28,554 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,466 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,453 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,261 |
| Official European Union Languages | 0 | - | 4.97 | 238,765 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,033 |
| Europe Map Quiz | 0 | - | 5.00 | 4,768,007 |
| Africa Map Quiz | 0 | - | 5.00 | 2,120,402 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,328 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,062 |
| Celtic Nations | 0 | - | 4.69 | 46,973 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,696 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,144 |
| Asia Map Quiz | 0 | - | 4.99 | 918,458 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,006 |
| African East Coast | 0 | - | 4.96 | 96,185 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,049 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,830 |
| Word Chain - Australia | 0 | - | 4.38 | 38,160 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,613 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,713 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,373 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,059 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,525 |
| The Only European Country ... | 0 | - | 4.91 | 217,141 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,417 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,878 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,140 |
| Countries of Africa | 0 | - | 5.00 | 2,542,046 |
| Australia Map Quiz | 0 | - | 4.95 | 344,919 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,830 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,122 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,718 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,061 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,988 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,412 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,044 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,496 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,218 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,725 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,388 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,371 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,725 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,279 |
| African Island Countries | 0 | - | 4.96 | 101,784 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,678 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,692 |
| Australian States and Territories | 0 | - | 4.96 | 142,149 |
| Famous Australians by Description | 0 | - | 4.23 | 27,978 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,331 |
| Australian Slang | 0 | - | 4.24 | 28,644 |
| Flags of North and South America | 0 | - | 4.99 | 373,845 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,683 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,331 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,009 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,984 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,890 |
| North America Map Quiz | 0 | - | 4.98 | 249,041 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,777 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,279 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,198 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,265 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,933 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,872 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,028 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,826 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,349 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,121 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,295 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,480 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,540 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,982 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,524 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,464 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,324 |
| Slavic Countries | 0 | - | 4.96 | 111,805 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,414 |
| Counties of England | 0 | - | 4.97 | 798,149 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,164 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,334 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,910 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,299 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,147 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,105 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,677 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,573 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,620 |
| Countries of the Middle East | 0 | - | 4.96 | 201,487 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,567 |
| States of India | 0 | - | 4.95 | 193,858 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,373 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,843 |
| The Only African Country ... | 0 | - | 4.99 | 129,226 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,171 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,978 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,580 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,315 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,122 |
| Flags of Oceania | 0 | - | 5.00 | 260,053 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,579 |
| The Only American Country ... | 0 | - | 4.92 | 121,749 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,225 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,623 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,114 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,776 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,322 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,561 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,642 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,557 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,273 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,006 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,165 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,988 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,740 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,569 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,282 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,925 |
| Monarchies of Europe | 0 | - | 4.90 | 98,269 |
| European Countries with One Border | 0 | - | 4.97 | 183,003 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,775 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,612 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,752 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,019 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,683 |
| States of Germany Map Quiz | 0 | - | 4.91 | 133,036 |
| States of Germany | 0 | - | 4.95 | 152,950 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,194 |
| Regions of Italy | 0 | - | 4.92 | 76,115 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,343 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,215 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,321 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,087 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,997 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,729 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,588 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,156 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,448 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,241 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,337 |
| Monarchies of Asia | 0 | - | 4.97 | 71,163 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,971 |
| Provinces of Turkey | 0 | - | 4.95 | 204,472 |
| Provinces of China | 0 | - | 4.97 | 205,263 |
| Japanese Prefectures | 0 | - | 4.98 | 137,333 |
| Word Chain - Africa | 0 | - | 4.47 | 31,637 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,283 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,711 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,291 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,628 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,668 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,808 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,391 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,362 |
| Slavic Languages | 0 | - | 4.68 | 54,429 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,642 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,500 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,937 |
| Champions League Winners | 0 | - | 4.91 | 1,008,781 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,570 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,594 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,967 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 275,638 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,888 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,921 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,684 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,956 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,007 |
| States of India Map Quiz | 0 | - | 4.83 | 26,577 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,320 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,783 |
| African Great Lakes | 0 | - | 4.82 | 66,385 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,712 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,728 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,841 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,116 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,559 |
| Palau Country Quiz | 0 | - | 4.90 | 23,046 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,638 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,216 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,058 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,467 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,847 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,542 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,306 |
| States of Mexico | 0 | - | 4.96 | 176,507 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,909 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,021 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,088 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,202 |
| States of Brazil | 0 | - | 4.97 | 88,409 |
| Central American Countries | 0 | - | 4.98 | 156,653 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,864 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,046 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,782 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,718 |
