| European Countries by First 2 Letters | 0 | - | 4.95 | 526,400 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,354 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,555 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,122 |
| Australian Capitals | 0 | - | 4.92 | 62,594 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,904 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,587 |
| Official European Union Languages | 0 | - | 4.97 | 236,663 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,710 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,803 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,506 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,406 |
| Celtic Nations | 0 | - | 4.69 | 46,814 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,243 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,558 |
| Asia Map Quiz | 0 | - | 4.99 | 907,146 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,825 |
| African East Coast | 0 | - | 4.96 | 95,060 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,943 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,809 |
| New World Crops | 0 | - | 4.33 | 23,503 |
| 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 | 210,173 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,215 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,030 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,545 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,592 |
| The Only European Country ... | 0 | - | 4.91 | 213,888 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,570 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,570 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,486 |
| Countries of Africa | 0 | - | 5.00 | 2,508,252 |
| Australia Map Quiz | 0 | - | 4.94 | 342,515 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,339 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,986 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,165 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,061 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,243 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,440 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,491 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,640 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,588 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,292 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,510 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,135 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,483 |
| African Island Countries | 0 | - | 4.96 | 100,801 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,675 |
| Australian States and Territories | 0 | - | 4.96 | 140,921 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,022 |
| Australia Country Quiz | 0 | - | 4.43 | 69,287 |
| Australia True or False | 0 | - | 4.87 | 56,513 |
| Flags of North and South America | 0 | - | 4.99 | 367,350 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,160 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,176 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,249 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,326 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,850 |
| North America Map Quiz | 0 | - | 4.98 | 244,512 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,380 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,979 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,021 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,625 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,501 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,970 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,945 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,724 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,298 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,374 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,481 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,860 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,152 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,873 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,957 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,278 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,214 |
| Slavic Countries | 0 | - | 4.96 | 110,873 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,051 |
| Counties of England | 0 | - | 4.97 | 789,330 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,680 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,358 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,780 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,431 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,266 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,731 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,503 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,699 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,785 |
| Countries of the Middle East | 0 | - | 4.96 | 198,951 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,253 |
| States of India | 0 | - | 4.94 | 190,146 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,007 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,258 |
| The Only African Country ... | 0 | - | 4.99 | 128,376 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,783 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,080 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,372 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,120 |
| Flags of Oceania | 0 | - | 5.00 | 255,252 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,924 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,441 |
| Regions of New Zealand | 0 | - | 4.85 | 28,143 |
| The Only American Country ... | 0 | - | 4.92 | 120,772 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,354 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,602 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,988 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,906 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,003 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,963 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,348 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,881 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,298 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,082 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,503 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,377 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,341 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,051 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,414 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,886 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,231 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,835 |
| Monarchies of Europe | 0 | - | 4.90 | 97,337 |
| European Countries with One Border | 0 | - | 4.97 | 181,646 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,541 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,969 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,025 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,219 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,161 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,709 |
| States of Germany | 0 | - | 4.96 | 150,103 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,029 |
| Regions of Italy | 0 | - | 4.92 | 74,737 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,826 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,368 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,203 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,952 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,110 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,441 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,005 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,065 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,372 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,804 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,423 |
| Monarchies of Asia | 0 | - | 4.97 | 70,611 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,434 |
| Provinces of Turkey | 0 | - | 4.95 | 201,077 |
| Provinces of China | 0 | - | 4.97 | 200,172 |
| Japanese Prefectures | 0 | - | 4.98 | 134,628 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,018 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,837 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,090 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,452 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,599 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,999 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,071 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,788 |
| Slavic Languages | 0 | - | 4.67 | 53,990 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,433 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,251 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,206 |
| Champions League Winners | 0 | - | 4.92 | 996,516 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,425 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,167 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 108,196 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 273,142 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,464 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,273 |
| China's Territorial Disputes | 0 | - | 4.44 | 35,457 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,223 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,911 |
| States of India Map Quiz | 0 | - | 4.82 | 26,044 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,781 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,338 |
| African Great Lakes | 0 | - | 4.82 | 65,174 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,872 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,370 |
| Name a Valid African Country | 0 | - | 4.98 | 152,953 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,492 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,824 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,052 |
| Palau Country Quiz | 0 | - | 4.89 | 22,845 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,225 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,517 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,210 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,298 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,351 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,096 |
| States of Mexico | 0 | - | 4.95 | 173,367 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,803 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,162 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,979 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,389 |
| States of Brazil | 0 | - | 4.98 | 86,401 |
| Central American Countries | 0 | - | 4.98 | 155,072 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,949 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,012 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,669 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,186 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,972 |
