| Uruguay Country Quiz | 0 | - | 4.83 | 31,460 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,415 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,543 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,653 |
| North America Map Quiz | 0 | - | 4.98 | 246,728 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,556 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,883 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,321 |
| States of Mexico | 0 | - | 4.95 | 174,822 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,563 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,402 |
| States of Brazil | 0 | - | 4.97 | 87,200 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,149 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,890 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,646 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,444 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,289 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,117 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,454 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,217 |
| Australian Capitals | 0 | - | 4.92 | 62,662 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,724 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,436 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,869 |
| Official European Union Languages | 0 | - | 4.97 | 237,710 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,347 |
| Europe Map Quiz | 0 | - | 5.00 | 4,747,052 |
| Africa Map Quiz | 0 | - | 5.00 | 2,111,107 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,744 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,342 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,630 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,156 |
| Asia Map Quiz | 0 | - | 4.99 | 911,277 |
| Countries of Africa | 0 | - | 5.00 | 2,522,275 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,298 |
| African East Coast | 0 | - | 4.96 | 95,554 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,388 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,231 |
| Australia Map Quiz | 0 | - | 4.94 | 343,328 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,225 |
| New World Crops | 0 | - | 4.37 | 30,653 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,676 |
| History of Mexico | 0 | - | 4.58 | 15,265 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,268 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,527 |
| Word Chain - South America | 0 | - | 4.51 | 23,840 |
| North American Physical Geography | 0 | - | 4.35 | 30,386 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,995 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,210 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,573 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,899 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,162 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,481 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,005 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,295 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,760 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,363 |
| The Only European Country ... | 0 | - | 4.91 | 215,243 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,377 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,675 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,245 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,278 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,665 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,130 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,273 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,926 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,713 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,859 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,797 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,255 |
| African Island Countries | 0 | - | 4.96 | 101,195 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,680 |
| Australian States and Territories | 0 | - | 4.96 | 141,397 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,149 |
| Australia True or False | 0 | - | 4.87 | 56,684 |
| Flags of North and South America | 0 | - | 4.99 | 370,391 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,893 |
| South America Map Quiz | 0 | - | 5.00 | 1,545,033 |
| South American Physical Geography | 0 | - | 4.58 | 18,313 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,608 |
| Canada Provinces and Territories | 0 | - | 5.00 | 340,019 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,979 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,696 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,319 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,214 |
| Celtic Nations | 0 | - | 4.69 | 46,876 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,719 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,183 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,734 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,514 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,791 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,121 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,409 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,581 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,386 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,774 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,550 |
| Slavic Countries | 0 | - | 4.96 | 111,280 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,205 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,772 |
| Counties of England | 0 | - | 4.97 | 792,799 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,693 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,351 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,840 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,261 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,751 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,605 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,356 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,002 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,053 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,629 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,552 |
| Countries of the Middle East | 0 | - | 4.96 | 199,916 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,365 |
| States of India | 0 | - | 4.94 | 191,805 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,407 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,209 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,486 |
| The Only African Country ... | 0 | - | 4.99 | 128,720 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,936 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,439 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,801 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,745 |
| Flags of Oceania | 0 | - | 5.00 | 257,125 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,140 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,873 |
| Australia Country Quiz | 0 | - | 4.43 | 69,449 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,318 |
| Regions of New Zealand | 0 | - | 4.85 | 28,407 |
| The Only American Country ... | 0 | - | 4.92 | 121,192 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,750 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,994 |
| Famous People from South America | 0 | - | 4.15 | 21,880 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,891 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,461 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,533 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,222 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,881 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,185 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,327 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,494 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,706 |
| US States Quiz | 0 | - | 5.00 | 16,785,456 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,733 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,755 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,636 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,444 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,971 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,544 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,627 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,300 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,271 |
| Monarchies of Europe | 0 | - | 4.90 | 97,716 |
| European Countries with One Border | 0 | - | 4.97 | 182,167 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,030 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,716 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,578 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,382 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,551 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,841 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,200 |
| States of Germany | 0 | - | 4.96 | 151,167 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,585 |
| Regions of Italy | 0 | - | 4.92 | 75,240 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 49,597 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,225 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,761 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,388 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,366 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,689 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,622 |
| Champions League Winners | 0 | - | 4.92 | 1,001,031 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,178 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,527 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,809 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,733 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,812 |
| Monarchies of Asia | 0 | - | 4.97 | 70,849 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,649 |
| Provinces of Turkey | 0 | - | 4.95 | 203,012 |
| Provinces of China | 0 | - | 4.97 | 202,389 |
| Japanese Prefectures | 0 | - | 4.98 | 135,819 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,536 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,355 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,998 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,048 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,125 |
| States of India Map Quiz | 0 | - | 4.83 | 26,238 |
| Countries Bordering India | 0 | - | 4.98 | 163,209 |
| Countries Closest to India | 0 | - | 4.97 | 102,474 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,986 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,550 |
| African Great Lakes | 0 | - | 4.82 | 65,726 |
| Every African Country Shape | 0 | - | 4.90 | 86,651 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,200 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,542 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,794 |
| Name a Valid African Country | 0 | - | 4.98 | 153,461 |
