| Uruguay Country Quiz | 0 | - | 4.83 | 31,435 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,375 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,480 |
| North America Map Quiz | 0 | - | 4.98 | 246,278 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,517 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,846 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,233 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,568 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,306 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,134 |
| States of Mexico | 0 | - | 4.95 | 174,477 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,496 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,335 |
| States of Brazil | 0 | - | 4.97 | 87,043 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,082 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,640 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,635 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,972 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,086 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,443 |
| Australian Capitals | 0 | - | 4.92 | 62,648 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,830 |
| Official European Union Languages | 0 | - | 4.97 | 237,582 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,266 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,056 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,983 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,181 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,677 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,387 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,670 |
| Asia Map Quiz | 0 | - | 4.99 | 910,457 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,760 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,323 |
| Countries of Africa | 0 | - | 5.00 | 2,519,625 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,211 |
| African East Coast | 0 | - | 4.96 | 95,463 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,322 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,152 |
| Australia Map Quiz | 0 | - | 4.94 | 343,171 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,217 |
| New World Crops | 0 | - | 4.37 | 30,527 |
| North American Physical Geography | 0 | - | 4.35 | 30,377 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,427 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,973 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,438 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,806 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,109 |
| Celtic Nations | 0 | - | 4.69 | 46,868 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,730 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,218 |
| The Only European Country ... | 0 | - | 4.91 | 214,969 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,224 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,655 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,133 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,897 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,614 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,145 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,850 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,633 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,796 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,681 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,130 |
| African Island Countries | 0 | - | 4.96 | 101,107 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,387 |
| Australian States and Territories | 0 | - | 4.96 | 141,299 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,116 |
| Australia True or False | 0 | - | 4.87 | 56,659 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,666 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,759 |
| History of Mexico | 0 | - | 4.58 | 15,256 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,243 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,512 |
| Word Chain - South America | 0 | - | 4.51 | 23,822 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,641 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,189 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,564 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,884 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,656 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,312 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,090 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,664 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,263 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,733 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,071 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,162 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,307 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,220 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,680 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,496 |
| Slavic Countries | 0 | - | 4.96 | 111,193 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,178 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,725 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,785 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,187 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,698 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,550 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,244 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,926 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,987 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,488 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,456 |
| Countries of the Middle East | 0 | - | 4.96 | 199,754 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,347 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,436 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,365 |
| Australia Country Quiz | 0 | - | 4.43 | 69,413 |
| Flags of North and South America | 0 | - | 4.99 | 369,831 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,103 |
| South American Physical Geography | 0 | - | 4.58 | 18,303 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,617 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,654 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,669 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,233,714 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,099 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,282 |
| Counties of England | 0 | - | 4.97 | 792,130 |
| Flags of Asia Quiz | 0 | - | 4.99 | 608,624 |
| States of India | 0 | - | 4.94 | 191,531 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,182 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,428 |
| The Only African Country ... | 0 | - | 4.98 | 128,678 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,904 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,372 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,602 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,684 |
| Flags of Oceania | 0 | - | 5.00 | 256,749 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,108 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,771 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,272 |
| Regions of New Zealand | 0 | - | 4.85 | 28,354 |
| The Only American Country ... | 0 | - | 4.92 | 121,135 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,705 |
| Famous People from South America | 0 | - | 4.15 | 21,863 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,656 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,337 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,421 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,180 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,766 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,132 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,322 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,402 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,663 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,721 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,713 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,598 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,304 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,857 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,428 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,551 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,196 |
| Monarchies of Europe | 0 | - | 4.90 | 97,661 |
| European Countries with One Border | 0 | - | 4.97 | 182,064 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,929 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,644 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,479 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,102 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,494 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,698 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,100 |
| States of Germany | 0 | - | 4.96 | 150,978 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,316 |
| Regions of Italy | 0 | - | 4.92 | 75,131 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,072 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,106 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,683 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,114 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,302 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,584 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,611 |
| Champions League Winners | 0 | - | 4.92 | 1,000,272 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,164 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,446 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,732 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,565 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,743 |
| Monarchies of Asia | 0 | - | 4.97 | 70,805 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,604 |
| Provinces of Turkey | 0 | - | 4.95 | 202,743 |
| Provinces of China | 0 | - | 4.97 | 201,878 |
| Japanese Prefectures | 0 | - | 4.98 | 135,598 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,482 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,269 |
| States of India Map Quiz | 0 | - | 4.83 | 26,209 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,954 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,514 |
| African Great Lakes | 0 | - | 4.82 | 65,647 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,136 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,728 |
| Name a Valid African Country | 0 | - | 4.98 | 153,354 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,630 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,909 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,216 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,169 |
| Palau Country Quiz | 0 | - | 4.90 | 22,907 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,365 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,732 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,522 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,354 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,426 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,413 |
