| North America Map Quiz | 0 | - | 4.98 | 246,905 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,577 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,926 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,475 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,362 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,658 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,473 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,135 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,460 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,437 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,585 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,445 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,756 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,369 |
| States of Mexico | 0 | - | 4.95 | 174,985 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,620 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,437 |
| States of Brazil | 0 | - | 4.97 | 87,275 |
| North American Physical Geography | 0 | - | 4.35 | 30,392 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,159 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,217 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,581 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,918 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,046 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,664 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,523 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,738 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,322 |
| Australian Capitals | 0 | - | 4.92 | 62,670 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,330 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,888 |
| Official European Union Languages | 0 | - | 4.97 | 237,794 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,405 |
| Europe Map Quiz | 0 | - | 5.00 | 4,748,638 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,746 |
| Oceania Map Quiz | 0 | - | 4.98 | 639,086 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,793 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,625 |
| Asia Map Quiz | 0 | - | 4.99 | 911,814 |
| Countries of Africa | 0 | - | 5.00 | 2,523,758 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,361 |
| African East Coast | 0 | - | 4.96 | 95,606 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,437 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,261 |
| Australia Map Quiz | 0 | - | 4.94 | 343,433 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,230 |
| New World Crops | 0 | - | 4.37 | 30,738 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,681 |
| History of Mexico | 0 | - | 4.58 | 15,270 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,276 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,536 |
| Word Chain - South America | 0 | - | 4.51 | 23,849 |
| United States Map Quiz | 0 | - | 4.98 | 4,149,652 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,287 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,503 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,118 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,438 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,780 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,453 |
| The Only European Country ... | 0 | - | 4.91 | 215,402 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,464 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,690 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,310 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,670 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,729 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,506 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,350 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,975 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,778 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,897 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,857 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,327 |
| African Island Countries | 0 | - | 4.96 | 101,233 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,746 |
| Australian States and Territories | 0 | - | 4.96 | 141,449 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,168 |
| Australia True or False | 0 | - | 4.87 | 56,702 |
| Flags of North and South America | 0 | - | 4.99 | 370,711 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,001 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,472 |
| South American Physical Geography | 0 | - | 4.58 | 18,317 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,018,227 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,237 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 638,225 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,716 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,331 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,269 |
| Celtic Nations | 0 | - | 4.69 | 46,880 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,211 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,227 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,770 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,641 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,828 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,147 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,521 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,768 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,478 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,822 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,580 |
| Slavic Countries | 0 | - | 4.96 | 111,322 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,215 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 31,802 |
| Counties of England | 0 | - | 4.97 | 793,189 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,995 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,713 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,901 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,306 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,792 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,644 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,409 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,062 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,098 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,699 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,602 |
| Countries of the Middle East | 0 | - | 4.96 | 200,033 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,377 |
| States of India | 0 | - | 4.94 | 191,938 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,429 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,219 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,515 |
| The Only African Country ... | 0 | - | 4.99 | 128,767 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,955 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,478 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,925 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,790 |
| Flags of Oceania | 0 | - | 5.00 | 257,319 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,182 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,963 |
| Australia Country Quiz | 0 | - | 4.43 | 69,462 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,348 |
| Regions of New Zealand | 0 | - | 4.85 | 28,422 |
| The Only American Country ... | 0 | - | 4.92 | 121,234 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,784 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,997 |
| Famous People from South America | 0 | - | 4.15 | 21,891 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,060 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,498 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,589 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,250 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,936 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,221 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,541 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,724 |
| US States Quiz | 0 | - | 5.00 | 16,794,786 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,790 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,652 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,499 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,035 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,624 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,667 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,321 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,314 |
| Monarchies of Europe | 0 | - | 4.90 | 97,764 |
| European Countries with One Border | 0 | - | 4.97 | 182,233 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,093 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,737 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,637 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,589 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,582 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,917 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,302 |
| States of Germany | 0 | - | 4.96 | 151,310 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,664 |
| Regions of Italy | 0 | - | 4.92 | 75,304 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 50,768 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,310 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,794 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,548 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,399 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,757 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,628 |
| Champions League Winners | 0 | - | 4.92 | 1,001,575 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,195 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,584 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,862 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,851 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,855 |
| Monarchies of Asia | 0 | - | 4.97 | 70,873 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,678 |
| Provinces of Turkey | 0 | - | 4.95 | 203,159 |
| Provinces of China | 0 | - | 4.97 | 202,593 |
| Japanese Prefectures | 0 | - | 4.98 | 135,910 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,575 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,411 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,029 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,086 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,139 |
| States of India Map Quiz | 0 | - | 4.83 | 26,265 |
| Countries Bordering India | 0 | - | 4.98 | 163,230 |
| Countries Closest to India | 0 | - | 4.97 | 102,511 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,014 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,576 |
| African Great Lakes | 0 | - | 4.82 | 65,783 |
| Every African Country Shape | 0 | - | 4.90 | 86,746 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,237 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,585 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,840 |
| Name a Valid African Country | 0 | - | 4.98 | 153,519 |