| Uruguay Country Quiz | 0 | - | 4.84 | 31,719 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,924 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,053 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,366 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,095 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,584 |
| Australian Capitals | 0 | - | 4.92 | 62,811 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,557 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,602 |
| Official European Union Languages | 0 | - | 4.97 | 239,507 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,495 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,823 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,212 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,338 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,310 |
| Asia Map Quiz | 0 | - | 4.99 | 923,494 |
| Africa Map Quiz | 0 | - | 5.00 | 2,126,469 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,166 |
| Explore the South Seas | 0 | - | 4.86 | 15,239 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,319 |
| Australia Map Quiz | 0 | - | 4.95 | 345,856 |
| New World Crops | 0 | - | 4.38 | 30,940 |
| North American Physical Geography | 0 | - | 4.35 | 30,451 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,468 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,550 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,853 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,386 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,827 |
| Celtic Nations | 0 | - | 4.61 | 47,070 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,240 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,808 |
| The Only European Country ... | 0 | - | 4.91 | 218,486 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,223 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,009 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,730 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,435 |
| Countries of Africa | 0 | - | 5.00 | 2,554,050 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,671 |
| African East Coast | 0 | - | 4.96 | 96,599 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,443 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,877 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,477 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,453 |
| Australian States and Territories | 0 | - | 4.96 | 142,672 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,453 |
| Australia True or False | 0 | - | 4.87 | 57,085 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,882 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,665 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,456 |
| North America Map Quiz | 0 | - | 4.98 | 251,004 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,934 |
| United States Map Quiz | 0 | - | 4.98 | 4,168,368 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,479 |
| Toronto, Montreal, or Vancouver? | 0 | - | 4.80 | 23,372 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,106 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,328 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,871 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,338 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,636 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,911 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,300 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,127 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,133 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 112,943 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,983 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,667 |
| Slavic Countries | 0 | - | 4.96 | 112,217 |
| All Slavic Languages With a Map | 0 | - | 4.98 | 70,223 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,637 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,363 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,652 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,399 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,748 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,023 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,619 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,152 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,922 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,315 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,441 |
| Official and Regional Languages of Asia on a Map | 0 | - | 5.00 | 69,165 |
| Countries of the Middle East | 0 | - | 4.96 | 202,341 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,693 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,415 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,130 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,334 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,115 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,996 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,383 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,994 |
| African Island Countries | 0 | - | 4.96 | 102,289 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,356 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,584 |
| Australia Country Quiz | 0 | - | 4.43 | 69,787 |
| Flags of North and South America | 0 | - | 4.99 | 376,057 |
| South America Map Quiz | 0 | - | 5.00 | 1,554,617 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,764 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,381 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,369 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,374 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,481 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,055 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,701 |
| Counties of England | 0 | - | 4.97 | 801,569 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,375 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,578 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,080 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,927 |
| Flags of Oceania | 0 | - | 5.00 | 261,999 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,622 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,345 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,903 |
| Regions of New Zealand | 0 | - | 4.84 | 28,681 |
| The Only American Country ... | 0 | - | 4.92 | 122,084 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,539 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,367 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,662 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,049 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,758 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,789 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,638 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,827 |
| The U.S. Pledge of Allegiance | 0 | - | 4.00 | 18,398 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,838 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,189 |
| U.S. History Timeline Quiz | 0 | - | 4.96 | 57,164 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,407 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,594 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,360 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,272 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,285 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,649 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,319 |
| Monarchies of Europe | 0 | - | 4.90 | 98,692 |
| European Countries with One Border | 0 | - | 4.97 | 183,549 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,311 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,329 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,136 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,842 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,546 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,665 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,423 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,762 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,047 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,355 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,413 |
| Countries that Gained Independence From France | 0 | - | 4.94 | 47,352 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,600 |
| States of Germany | 0 | - | 4.95 | 154,096 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,573 |
| Regions of Italy | 0 | - | 4.92 | 76,773 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,682 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,079 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,634 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,024 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,407 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,730 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,816 |
| Champions League Winners | 0 | - | 4.92 | 1,013,858 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,895 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,645 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,933 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 137,126 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,652 |
| Monarchies of Asia | 0 | - | 4.97 | 71,415 |
| Category Elimination - Asian Geography #3 | 0 | - | 4.91 | 67,249 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,209 |
| Provinces of Turkey | 0 | - | 4.94 | 205,479 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,682 |
| Provinces of China | 0 | - | 4.97 | 207,210 |
| Japanese Prefectures | 0 | - | 4.98 | 138,568 |
| States of India | 0 | - | 4.95 | 195,340 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,518 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,213 |
| The Only African Country ... | 0 | - | 4.99 | 129,540 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,329 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,769 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,317 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,901 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,668 |
| Category Elimination - African Geography #2 | 0 | - | 4.92 | 56,985 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,373 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,752 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,530 |
| Palau Country Quiz | 0 | - | 4.90 | 23,110 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,830 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,498 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,524 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,528 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,924 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,598 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,354 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,670 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,717 |
| States of Mexico | 0 | - | 4.96 | 177,754 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,474 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,347 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,606 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,468 |
| States of Brazil | 0 | - | 4.97 | 89,332 |
| Central American Countries | 0 | - | 4.98 | 157,157 |
