| Uruguay Country Quiz | 0 | - | 4.83 | 31,447 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,401 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,514 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,649 |
| North America Map Quiz | 0 | - | 4.98 | 246,534 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,541 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,863 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,297 |
| States of Mexico | 0 | - | 4.95 | 174,678 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,537 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,373 |
| States of Brazil | 0 | - | 4.97 | 87,153 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,143 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,763 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,641 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,388 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 218,164 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,104 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,447 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,153 |
| Australian Capitals | 0 | - | 4.92 | 62,657 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,696 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,429 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,849 |
| Official European Union Languages | 0 | - | 4.97 | 237,657 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,311 |
| Europe Map Quiz | 0 | - | 5.00 | 4,745,796 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,605 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,550 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,761 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,330 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,545 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,890 |
| Asia Map Quiz | 0 | - | 4.99 | 910,915 |
| Countries of Africa | 0 | - | 5.00 | 2,521,344 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,256 |
| African East Coast | 0 | - | 4.96 | 95,517 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,357 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,197 |
| Australia Map Quiz | 0 | - | 4.94 | 343,259 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,224 |
| New World Crops | 0 | - | 4.37 | 30,602 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,672 |
| History of Mexico | 0 | - | 4.58 | 15,260 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,258 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,519 |
| Word Chain - South America | 0 | - | 4.51 | 23,833 |
| North American Physical Geography | 0 | - | 4.35 | 30,384 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,400 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,429 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,200 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,568 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,891 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,078 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,466 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,928 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,214 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,745 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,306 |
| The Only European Country ... | 0 | - | 4.91 | 215,128 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,316 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,667 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,187 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,107 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,648 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,837 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,219 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,893 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,679 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,836 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,749 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,209 |
| African Island Countries | 0 | - | 4.96 | 101,154 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,619 |
| Australian States and Territories | 0 | - | 4.96 | 141,357 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,138 |
| Australia True or False | 0 | - | 4.87 | 56,670 |
| Flags of North and South America | 0 | - | 4.99 | 370,122 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,809 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,527 |
| South American Physical Geography | 0 | - | 4.58 | 18,308 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,251 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,838 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,813 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,682 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,555 |
| Celtic Nations | 0 | - | 4.69 | 46,872 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,473 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,152 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,697 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,419 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,758 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,097 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,299 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,456 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,334 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,735 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,522 |
| Slavic Countries | 0 | - | 4.96 | 111,251 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,195 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,741 |
| Counties of England | 0 | - | 4.97 | 792,546 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,483 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,077 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,817 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,231 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,728 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,584 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,305 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,971 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,025 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,585 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,518 |
| Countries of the Middle East | 0 | - | 4.96 | 199,845 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,359 |
| States of India | 0 | - | 4.94 | 191,720 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,387 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,203 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,462 |
| The Only African Country ... | 0 | - | 4.99 | 128,698 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,930 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,405 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,738 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,717 |
| Flags of Oceania | 0 | - | 5.00 | 256,972 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,123 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,849 |
| Australia Country Quiz | 0 | - | 4.43 | 69,432 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,296 |
| Regions of New Zealand | 0 | - | 4.85 | 28,401 |
| The Only American Country ... | 0 | - | 4.92 | 121,165 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,723 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,990 |
| Famous People from South America | 0 | - | 4.15 | 21,871 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,738 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,383 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,495 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,206 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,822 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,163 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,323 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,455 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,691 |
| US States Quiz | 0 | - | 5.00 | 16,778,894 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,731 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,744 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,619 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,397 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,915 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,494 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,590 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,294 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,234 |
| Monarchies of Europe | 0 | - | 4.90 | 97,698 |
| European Countries with One Border | 0 | - | 4.97 | 182,113 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,978 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,684 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,528 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,300 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,532 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,766 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,145 |
| States of Germany | 0 | - | 4.96 | 151,078 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,479 |
| Regions of Italy | 0 | - | 4.92 | 75,204 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 47,743 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,171 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,726 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,278 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,343 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,656 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,618 |
| Champions League Winners | 0 | - | 4.92 | 1,000,664 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,173 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,497 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,772 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,636 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,777 |
| Monarchies of Asia | 0 | - | 4.97 | 70,828 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,627 |
| Provinces of Turkey | 0 | - | 4.95 | 202,939 |
| Provinces of China | 0 | - | 4.97 | 202,205 |
| Japanese Prefectures | 0 | - | 4.98 | 135,739 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,511 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,309 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,968 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,022 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,112 |
| States of India Map Quiz | 0 | - | 4.83 | 26,227 |
| Countries Bordering India | 0 | - | 4.98 | 163,198 |
| Countries Closest to India | 0 | - | 4.97 | 102,458 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,975 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,536 |
| African Great Lakes | 0 | - | 4.82 | 65,696 |
| Every African Country Shape | 0 | - | 4.90 | 86,607 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,170 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,518 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,764 |
| Name a Valid African Country | 0 | - | 4.98 | 153,418 |
