| Uruguay Country Quiz | 0 | - | 4.84 | 31,707 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,876 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,759 |
| England or Wales? | 0 | - | 4.94 | 45,887 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,560 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,855 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,626 |
| North America Map Quiz | 0 | - | 4.98 | 250,610 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,916 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,448 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 95,018 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,071 |
| States of Mexico | 0 | - | 4.96 | 177,592 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 105,309 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,510 |
| States of Brazil | 0 | - | 4.97 | 89,174 |
| Austria... or Australia? | 0 | - | 4.68 | 104,649 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,336 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,813 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,636 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,740 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,780 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,866 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,649 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,665 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,830 |
| Name a Valid Answer - United States #1 | 0 | - | 4.62 | 94,273 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,552 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,076 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,848 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,272 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,017 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,770 |
| Australian Capitals | 0 | - | 4.92 | 62,804 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,788 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,675 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,559 |
| Official European Union Languages | 0 | - | 4.97 | 239,407 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,425 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,116 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,504 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,418 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,001 |
| Asia Map Quiz | 0 | - | 4.99 | 922,840 |
| Africa Map Quiz | 0 | - | 5.00 | 2,125,723 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,235 |
| Australia Map Quiz | 0 | - | 4.95 | 345,725 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,301 |
| New World Crops | 0 | - | 4.38 | 30,937 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,832 |
| History of Mexico | 0 | - | 4.52 | 15,354 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,815 |
| South American Physical Geography | 0 | - | 4.58 | 18,385 |
| Word Chain - South America | 0 | - | 4.51 | 23,967 |
| North American Physical Geography | 0 | - | 4.35 | 30,450 |
| United States Map Quiz | 0 | - | 4.98 | 4,167,447 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,468 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,411 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,702 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,134 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,386 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,827 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,230 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,676 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,216 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,695 |
| The Only European Country ... | 0 | - | 4.91 | 218,295 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,115 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,992 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,265 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,050 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,672 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,149 |
| Countries of Africa | 0 | - | 5.00 | 2,552,383 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,595 |
| African East Coast | 0 | - | 4.96 | 96,531 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,402 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Flags of Oceania | 0 | - | 5.00 | 261,777 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,530 |
| Australian States and Territories | 0 | - | 4.96 | 142,585 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 146,275 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,442 |
| Australia True or False | 0 | - | 4.87 | 57,064 |
| Regions of New Zealand | 0 | - | 4.84 | 28,661 |
| Flags of North and South America | 0 | - | 4.99 | 375,793 |
| The Only American Country ... | 0 | - | 4.92 | 122,041 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,494 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,062 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,379 |
| South America Map Quiz | 0 | - | 5.00 | 1,553,995 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,347 |
| Famous People from South America | 0 | - | 4.15 | 22,048 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,893 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 904,149 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,740 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,573 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,673 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,756 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,577 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,795 |
| Cities and Towns of Massachusetts | 0 | - | 4.93 | 74,754 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 40,169 |
| US States Quiz | 0 | - | 5.00 | 16,959,781 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,071 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 643,065 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,364 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,075 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,435 |
| Celtic Nations | 0 | - | 4.61 | 47,059 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,543 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,462 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,268 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,816 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,305 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,176 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,219 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,595 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,173 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,871 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,590 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,132 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,852 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,267 |
| Monarchies of Europe | 0 | - | 4.90 | 98,617 |
| European Countries with One Border | 0 | - | 4.97 | 183,483 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,226 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,230 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,047 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,064 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 84,614 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,468 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,610 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 57,366 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,681 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,912 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,628 |
| Slavic Countries | 0 | - | 4.96 | 112,163 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,841 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,311 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,335 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,510 |
| States of Germany | 0 | - | 4.95 | 153,945 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,609 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,513 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,332 |
| Regions of Italy | 0 | - | 4.92 | 76,660 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,642 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,985 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,593 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,877 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,360 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,647 |
| Counties of England | 0 | - | 4.97 | 801,108 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,805 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,983 |
| Champions League Winners | 0 | - | 4.92 | 1,012,867 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,074 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,598 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,870 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,335 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,701 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,976 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,584 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,557 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,093 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,868 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,997 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,873 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,238 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,627 |
| Monarchies of Asia | 0 | - | 4.97 | 71,376 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,397 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,172 |
| Countries of the Middle East | 0 | - | 4.96 | 202,230 |
| Provinces of Turkey | 0 | - | 4.94 | 205,364 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 61,620 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,674 |
| Provinces of China | 0 | - | 4.97 | 206,890 |
| Japanese Prefectures | 0 | - | 4.98 | 138,429 |
| States of India | 0 | - | 4.95 | 195,160 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,388 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,585 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,493 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,032 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,286 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,061 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,952 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,182 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,288 |
| The Only African Country ... | 0 | - | 4.99 | 129,496 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,310 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,901 |
| African Island Countries | 0 | - | 4.96 | 102,220 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,288 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,558 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,272 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,616 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,531 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,198 |
