| North America Map Quiz | 0 | - | 4.98 | 244,730 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,395 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,674 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,367 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,947 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,593 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,953 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,933 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,380 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,182 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,216 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,398 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,478 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,278 |
| States of Mexico | 0 | - | 4.95 | 173,522 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,220 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,041 |
| States of Brazil | 0 | - | 4.98 | 86,478 |
| North American Physical Geography | 0 | - | 4.35 | 30,359 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,409 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,036 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,107 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,530 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,814 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,570 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,607 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,652 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,672 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,228 |
| Australian Capitals | 0 | - | 4.92 | 62,598 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,302 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,629 |
| Official European Union Languages | 0 | - | 4.97 | 237,042 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,762 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,634 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,364 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,850 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,482 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,563 |
| Asia Map Quiz | 0 | - | 4.99 | 907,671 |
| Countries of Africa | 0 | - | 5.00 | 2,510,009 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,877 |
| African East Coast | 0 | - | 4.96 | 95,124 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,006 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,882 |
| Australia Map Quiz | 0 | - | 4.94 | 342,651 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,203 |
| New World Crops | 0 | - | 4.33 | 23,509 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,622 |
| History of Mexico | 0 | - | 4.58 | 15,237 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,205 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,478 |
| Word Chain - South America | 0 | - | 4.51 | 23,769 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,047 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,289 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,246 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,161 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,485 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,568 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,698 |
| The Only European Country ... | 0 | - | 4.91 | 214,066 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,707 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,584 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,553 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,568 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,466 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,947 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,708 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,638 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,353 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,545 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,237 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,571 |
| African Island Countries | 0 | - | 4.96 | 100,852 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,780 |
| Australian States and Territories | 0 | - | 4.96 | 140,979 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,034 |
| Australia True or False | 0 | - | 4.87 | 56,534 |
| Flags of North and South America | 0 | - | 4.99 | 367,843 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,331 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,709 |
| South American Physical Geography | 0 | - | 4.58 | 18,275 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,647 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,231 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,299 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,524 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,250 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,114 |
| Celtic Nations | 0 | - | 4.69 | 46,825 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,572 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,772 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,372 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,512 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,526 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,908 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,015 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,138 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,629 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,341 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,271 |
| Slavic Countries | 0 | - | 4.96 | 110,920 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,060 |
| Counties of England | 0 | - | 4.97 | 789,793 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,393 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,160 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,405 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,858 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,476 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,315 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,831 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,579 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,749 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,897 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,217 |
| Countries of the Middle East | 0 | - | 4.96 | 199,092 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,263 |
| States of India | 0 | - | 4.94 | 190,486 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,191 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,019 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,280 |
| The Only African Country ... | 0 | - | 4.99 | 128,405 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,803 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,138 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,476 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,163 |
| Flags of Oceania | 0 | - | 5.00 | 255,550 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,952 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,491 |
| Australia Country Quiz | 0 | - | 4.43 | 69,319 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,098 |
| Regions of New Zealand | 0 | - | 4.85 | 28,214 |
| The Only American Country ... | 0 | - | 4.92 | 120,826 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,400 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,969 |
| Famous People from South America | 0 | - | 4.15 | 21,796 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,968 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,057 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,071 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,999 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,423 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,921 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,117 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,535 |
| US States Quiz | 0 | - | 5.00 | 16,714,276 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,404 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,392 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,085 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,486 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,989 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,288 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,181 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,882 |
| Monarchies of Europe | 0 | - | 4.90 | 97,379 |
| European Countries with One Border | 0 | - | 4.97 | 181,718 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,624 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,343 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,032 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,210 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,261 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,294 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,806 |
| States of Germany | 0 | - | 4.96 | 150,244 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,089 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,566 |
| Regions of Italy | 0 | - | 4.92 | 74,813 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,885 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,453 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,286 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,350 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,087 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,210 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,546 |
| Champions League Winners | 0 | - | 4.92 | 997,182 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,036 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,122 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,440 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,943 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,487 |
| Monarchies of Asia | 0 | - | 4.97 | 70,640 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,458 |
| Provinces of Turkey | 0 | - | 4.95 | 201,531 |
| Provinces of China | 0 | - | 4.97 | 200,388 |
| Japanese Prefectures | 0 | - | 4.98 | 134,758 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,270 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,978 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,746 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,826 |
| Kazakhstan Country Quiz | 0 | - | 4.82 | 34,189 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,044 |
| States of India Map Quiz | 0 | - | 4.82 | 26,071 |
| Countries Bordering India | 0 | - | 4.98 | 162,639 |
| Countries Closest to India | 0 | - | 4.97 | 102,239 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,810 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,378 |
| African Great Lakes | 0 | - | 4.82 | 65,256 |
| Every African Country Shape | 0 | - | 4.90 | 86,198 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,912 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,211 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,413 |
