| Uruguay Country Quiz | 0 | - | 4.84 | 31,637 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,703 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,387 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,732 |
| North America Map Quiz | 0 | - | 4.98 | 249,334 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,804 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,295 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,826 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,293 |
| States of Mexico | 0 | - | 4.96 | 176,709 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,084 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,157 |
| States of Brazil | 0 | - | 4.97 | 88,557 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,499 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,566 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,664 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,761 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,747 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,417 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,579 |
| Europe Map Quiz | 0 | - | 5.00 | 4,770,316 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,454 |
| Oceania Map Quiz | 0 | - | 4.98 | 647,212 |
| Australian Capitals | 0 | - | 4.92 | 62,751 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 94,125 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,310 |
| Official European Union Languages | 0 | - | 4.97 | 238,891 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,113 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,979 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,615 |
| Asia Map Quiz | 0 | - | 4.99 | 919,317 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,083 |
| African East Coast | 0 | - | 4.96 | 96,270 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,122 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,880 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,281 |
| New World Crops | 0 | - | 4.38 | 30,911 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,785 |
| North American Physical Geography | 0 | - | 4.35 | 30,433 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,447 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,600 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,764 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,734 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,525 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,098 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,647 |
| The Only European Country ... | 0 | - | 4.91 | 217,345 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,549 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,907 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,256 |
| Countries of Africa | 0 | - | 5.00 | 2,544,287 |
| Australia Map Quiz | 0 | - | 4.95 | 345,073 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,791 |
| History of Mexico | 0 | - | 4.58 | 15,334 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,387 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,601 |
| Word Chain - South America | 0 | - | 4.51 | 23,929 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,291 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,359 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,668 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,073 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,994 |
| Celtic Nations | 0 | - | 4.69 | 46,992 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,756 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,086 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,016 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,317 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,777 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,463 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,425 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,810 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,430 |
| African Island Countries | 0 | - | 4.96 | 101,858 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,808 |
| Australian States and Territories | 0 | - | 4.96 | 142,223 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,362 |
| Australia True or False | 0 | - | 4.87 | 56,949 |
| Flags of North and South America | 0 | - | 4.99 | 374,207 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,085 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,592 |
| South American Physical Geography | 0 | - | 4.58 | 18,366 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,588 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,570 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,576 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,958 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,428 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,192 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,562 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,898 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,414 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,325 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,344 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,528 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,192 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,878 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,605 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,542 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,383 |
| Slavic Countries | 0 | - | 4.96 | 111,872 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,462 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,187 |
| Counties of England | 0 | - | 4.97 | 798,710 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,701 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,391 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,995 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,354 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,213 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,215 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,763 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,635 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,734 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,090 |
| Countries of the Middle East | 0 | - | 4.96 | 201,639 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,586 |
| States of India | 0 | - | 4.95 | 194,067 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,755 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,388 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,878 |
| The Only African Country ... | 0 | - | 4.99 | 129,267 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,201 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,047 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,867 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,380 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 58,351 |
| Flags of Oceania | 0 | - | 5.00 | 260,416 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,425 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,678 |
| Australia Country Quiz | 0 | - | 4.43 | 69,667 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,701 |
| Regions of New Zealand | 0 | - | 4.84 | 28,591 |
| The Only American Country ... | 0 | - | 4.92 | 121,804 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,262 |
| Famous People from South America | 0 | - | 4.15 | 22,018 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,896 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,165 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,384 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,599 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,727 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,598 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,373 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,375 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,025 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,829 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,198 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,030 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,826 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,675 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,372 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,570 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,969 |
| Monarchies of Europe | 0 | - | 4.90 | 98,337 |
| European Countries with One Border | 0 | - | 4.97 | 183,100 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,880 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 85,704 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,721 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,953 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,080 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,785 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,131 |
| States of Germany | 0 | - | 4.95 | 153,142 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,272 |
| Regions of Italy | 0 | - | 4.92 | 76,217 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,407 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,356 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,387 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,101 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,143 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,123 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,744 |
| Champions League Winners | 0 | - | 4.92 | 1,009,656 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,680 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,241 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,527 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,421 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,381 |
| Monarchies of Asia | 0 | - | 4.97 | 71,212 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,011 |
| Provinces of Turkey | 0 | - | 4.95 | 204,603 |
| Provinces of China | 0 | - | 4.97 | 205,552 |
| Japanese Prefectures | 0 | - | 4.98 | 137,549 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,011 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,071 |
| States of India Map Quiz | 0 | - | 4.83 | 26,599 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,342 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,815 |
| African Great Lakes | 0 | - | 4.82 | 66,506 |
| Word Chain - Africa | 0 | - | 4.47 | 31,646 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,757 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,799 |
| Name a Valid African Country | 0 | - | 4.98 | 154,345 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,851 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,127 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,583 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,425 |
| Palau Country Quiz | 0 | - | 4.90 | 23,054 |
| Most Visited Countries by Australians | 0 | - | 4.95 | 90,664 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 69,265 |
| Countries Closest to Australia | 0 | - | 4.99 | 167,118 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,480 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,862 |
