| European Countries by First 2 Letters | 0 | - | 4.95 | 526,432 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,355 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,571 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,133 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,910 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,593 |
| Official European Union Languages | 0 | - | 4.97 | 236,767 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,716 |
| Europe Map Quiz | 0 | - | 5.00 | 4,732,156 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,670 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,472 |
| Celtic Nations | 0 | - | 4.69 | 46,818 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,279 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,815 |
| Asia Map Quiz | 0 | - | 4.99 | 907,219 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,835 |
| African East Coast | 0 | - | 4.96 | 95,074 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,951 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,818 |
| New World Crops | 0 | - | 4.33 | 23,504 |
| North American Physical Geography | 0 | - | 4.35 | 30,356 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,406 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,189 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,221 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,056 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,547 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,615 |
| The Only European Country ... | 0 | - | 4.91 | 213,917 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,591 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,573 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,498 |
| Countries of Africa | 0 | - | 5.00 | 2,508,588 |
| Australia Map Quiz | 0 | - | 4.94 | 342,541 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,371 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,151 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,172 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,187 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,244 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,443 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,582 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,650 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,598 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,299 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,516 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,149 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,494 |
| African Island Countries | 0 | - | 4.96 | 100,810 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,693 |
| Australian States and Territories | 0 | - | 4.96 | 140,927 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,024 |
| Australia Country Quiz | 0 | - | 4.43 | 69,290 |
| Australia True or False | 0 | - | 4.87 | 56,516 |
| Flags of North and South America | 0 | - | 4.99 | 367,443 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,164 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,182 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,260 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,373 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,978 |
| North America Map Quiz | 0 | - | 4.98 | 244,532 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,382 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,022 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,101 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,634 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,505 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,170 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,019 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,730 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,311 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,402 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,488 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,867 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,157 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,893 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,992 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,287 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,218 |
| Slavic Countries | 0 | - | 4.96 | 110,881 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,055 |
| Counties of England | 0 | - | 4.97 | 789,415 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,766 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,366 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,793 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,441 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,271 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,745 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,511 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,709 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,797 |
| Countries of the Middle East | 0 | - | 4.96 | 198,969 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,254 |
| States of India | 0 | - | 4.94 | 190,236 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,008 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,260 |
| The Only African Country ... | 0 | - | 4.99 | 128,383 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,785 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,088 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,380 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,127 |
| Flags of Oceania | 0 | - | 5.00 | 255,299 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,928 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,444 |
| Regions of New Zealand | 0 | - | 4.85 | 28,147 |
| The Only American Country ... | 0 | - | 4.92 | 120,777 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,362 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,602 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,992 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,908 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,012 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,967 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,359 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,884 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,298 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,089 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,509 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,381 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,348 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,059 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,423 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,904 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,240 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,845 |
| Monarchies of Europe | 0 | - | 4.90 | 97,342 |
| European Countries with One Border | 0 | - | 4.97 | 181,661 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,558 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,981 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,046 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,225 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,192 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,732 |
| States of Germany | 0 | - | 4.96 | 150,129 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,048 |
| Regions of Italy | 0 | - | 4.92 | 74,752 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,833 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,392 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,219 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,982 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,139 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,465 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,006 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,076 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,390 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,821 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,435 |
| Monarchies of Asia | 0 | - | 4.97 | 70,613 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,437 |
| Provinces of Turkey | 0 | - | 4.95 | 201,126 |
| Provinces of China | 0 | - | 4.97 | 200,205 |
| Japanese Prefectures | 0 | - | 4.98 | 134,658 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,020 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,878 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,091 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,453 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,602 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,005 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,092 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,794 |
| Slavic Languages | 0 | - | 4.67 | 53,993 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,434 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,256 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,231 |
| Champions League Winners | 0 | - | 4.92 | 996,649 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,427 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,169 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,204 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,152 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,467 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,276 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,459 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,231 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,925 |
| States of India Map Quiz | 0 | - | 4.82 | 26,052 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,785 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,344 |
| African Great Lakes | 0 | - | 4.82 | 65,187 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,876 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,380 |
| Name a Valid African Country | 0 | - | 4.98 | 152,964 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,499 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,825 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,057 |
| Palau Country Quiz | 0 | - | 4.89 | 22,846 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,229 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,526 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,221 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,299 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,354 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,104 |
| States of Mexico | 0 | - | 4.95 | 173,385 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,823 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,168 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,004 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,398 |
| States of Brazil | 0 | - | 4.98 | 86,421 |
| Central American Countries | 0 | - | 4.98 | 155,080 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,980 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,029 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,673 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,202 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,001 |
