| Uruguay Country Quiz | 0 | - | 4.83 | 31,454 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,412 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,539 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,653 |
| North America Map Quiz | 0 | - | 4.98 | 246,684 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,552 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,879 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,315 |
| States of Mexico | 0 | - | 4.95 | 174,762 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,556 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,399 |
| States of Brazil | 0 | - | 4.97 | 87,192 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,149 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,857 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,643 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,432 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,258 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,114 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,451 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,197 |
| Australian Capitals | 0 | - | 4.92 | 62,661 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,713 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,433 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,865 |
| Official European Union Languages | 0 | - | 4.97 | 237,695 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,339 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,705 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,949 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,706 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,337 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,609 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,080 |
| Asia Map Quiz | 0 | - | 4.99 | 911,155 |
| Countries of Africa | 0 | - | 5.00 | 2,522,046 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,288 |
| African East Coast | 0 | - | 4.96 | 95,545 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,372 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,220 |
| Australia Map Quiz | 0 | - | 4.94 | 343,321 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,225 |
| New World Crops | 0 | - | 4.37 | 30,641 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,676 |
| History of Mexico | 0 | - | 4.58 | 15,262 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,267 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,526 |
| 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 | 4,148,845 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,209 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,572 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,896 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,137 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,477 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,987 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,277 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,755 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,352 |
| The Only European Country ... | 0 | - | 4.91 | 215,217 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,364 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,672 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,227 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,239 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,655 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,072 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,259 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,919 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,704 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,857 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,787 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,243 |
| African Island Countries | 0 | - | 4.96 | 101,187 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,662 |
| Australian States and Territories | 0 | - | 4.96 | 141,389 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,148 |
| Australia True or False | 0 | - | 4.87 | 56,682 |
| Flags of North and South America | 0 | - | 4.99 | 370,290 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,880 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,821 |
| South American Physical Geography | 0 | - | 4.58 | 18,313 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,512 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,956 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,933 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,694 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,318 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,053 |
| Celtic Nations | 0 | - | 4.69 | 46,875 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,646 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,175 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,722 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,493 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,789 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,116 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,396 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,552 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,377 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,759 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,548 |
| Slavic Countries | 0 | - | 4.96 | 111,277 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,202 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,770 |
| Counties of England | 0 | - | 4.97 | 792,729 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,647 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,304 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,834 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,249 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,745 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,597 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,339 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,995 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,038 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,618 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,542 |
| Countries of the Middle East | 0 | - | 4.96 | 199,898 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,363 |
| States of India | 0 | - | 4.94 | 191,786 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,404 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,209 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,480 |
| The Only African Country ... | 0 | - | 4.99 | 128,715 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,934 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,431 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,791 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,736 |
| Flags of Oceania | 0 | - | 5.00 | 257,082 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,136 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,867 |
| Australia Country Quiz | 0 | - | 4.43 | 69,447 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,316 |
| Regions of New Zealand | 0 | - | 4.85 | 28,407 |
| The Only American Country ... | 0 | - | 4.92 | 121,183 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,740 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,994 |
| Famous People from South America | 0 | - | 4.15 | 21,879 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,863 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,445 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,523 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,215 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,859 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,179 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,326 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,484 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,701 |
| US States Quiz | 0 | - | 5.00 | 16,783,477 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,732 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,751 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,628 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,433 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,952 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,529 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,618 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,297 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,263 |
| Monarchies of Europe | 0 | - | 4.90 | 97,711 |
| European Countries with One Border | 0 | - | 4.97 | 182,153 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,014 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,709 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,563 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,361 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,547 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,804 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,183 |
| States of Germany | 0 | - | 4.96 | 151,146 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,562 |
| Regions of Italy | 0 | - | 4.92 | 75,232 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 49,168 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,207 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,760 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,335 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,362 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,677 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,622 |
| Champions League Winners | 0 | - | 4.92 | 1,000,937 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,177 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,521 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,801 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,710 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,805 |
| Monarchies of Asia | 0 | - | 4.97 | 70,848 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,644 |
| Provinces of Turkey | 0 | - | 4.95 | 202,988 |
| Provinces of China | 0 | - | 4.97 | 202,327 |
| Japanese Prefectures | 0 | - | 4.98 | 135,799 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,528 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,341 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,986 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,041 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,122 |
| States of India Map Quiz | 0 | - | 4.83 | 26,235 |
| Countries Bordering India | 0 | - | 4.98 | 163,207 |
| Countries Closest to India | 0 | - | 4.97 | 102,471 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,983 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,545 |
| African Great Lakes | 0 | - | 4.82 | 65,720 |
| Every African Country Shape | 0 | - | 4.90 | 86,637 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,191 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,536 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,785 |
| Name a Valid African Country | 0 | - | 4.98 | 153,447 |
