| Uruguay Country Quiz | 0 | - | 4.83 | 31,332 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,563 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,116 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,088 |
| North America Map Quiz | 0 | - | 4.98 | 244,073 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,345 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,546 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,829 |
| States of Mexico | 0 | - | 4.95 | 173,066 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,060 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,809 |
| States of Brazil | 0 | - | 4.98 | 86,234 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 48,998 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,765 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,351 |
| Most Common High School Mascots | 0 | - | 4.47 | 31,789 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,572 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,648 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,853 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,345 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,052 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,366 |
| Name a Valid Answer - United States #1 | 0 | - | 4.63 | 93,383 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,377 |
| Three Real and One Fake - U.S. Geography | 0 | - | 4.34 | 29,208 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,972 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,103 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,947 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,961 |
| Which African Country? | 0 | - | 4.58 | 36,231 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,576 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Native American Tribes in the US | 0 | - | 4.70 | 25,252 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,533 |
| Official European Union Languages | 0 | - | 4.97 | 236,376 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,610 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,910 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,067 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,755 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,009 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,374 |
| Asia Map Quiz | 0 | - | 4.99 | 906,016 |
| Which Asian Country? | 0 | - | 4.64 | 57,378 |
| Countries of Africa | 0 | - | 5.00 | 2,504,946 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,736 |
| African East Coast | 0 | - | 4.96 | 94,945 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,810 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,726 |
| Australia Map Quiz | 0 | - | 4.94 | 342,263 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,190 |
| New World Crops | 0 | - | 4.33 | 23,497 |
| Hispanic Last Names in the U.S. | 0 | - | 4.30 | 54,605 |
| History of Mexico | 0 | - | 4.58 | 15,218 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,176 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,456 |
| South American Physical Geography | 0 | - | 4.58 | 18,263 |
| Word Chain - South America | 0 | - | 4.51 | 23,756 |
| North American Physical Geography | 0 | - | 4.35 | 30,351 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,931 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,402 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,066 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,509 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,773 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,867 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,401 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,763 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,096 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,489 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,364 |
| The Only European Country ... | 0 | - | 4.91 | 213,536 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,347 |
| Austria... or Australia? | 0 | - | 4.68 | 103,821 |
| France True or False? | 0 | - | 4.43 | 39,762 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,407 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,533 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,936 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,816 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,335 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,010 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,437 |
| China Multiple Choice | 0 | - | 4.50 | 37,139 |
| States of India | 0 | - | 4.94 | 189,746 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,325 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,349 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,976 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,498 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,477 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,166 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,434 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,206 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,942 |
| The Only African Country ... | 0 | - | 4.99 | 128,277 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,738 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,273 |
| African Island Countries | 0 | - | 4.96 | 100,673 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,465 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,976 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,025 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,610 |
| South Africa Multiple Choice | 0 | - | 4.55 | 27,387 |
| Flags of Oceania | 0 | - | 5.00 | 254,716 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,883 |
| Australian States and Territories | 0 | - | 4.95 | 140,557 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,312 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,991 |
| Australia True or False | 0 | - | 4.87 | 56,469 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,018 |
| Regions of New Zealand | 0 | - | 4.85 | 28,103 |
| Flags of North and South America | 0 | - | 4.99 | 365,807 |
| The Only American Country ... | 0 | - | 4.92 | 120,670 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,274 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 16,955 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 127,968 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,439 |
| Famous People from South America | 0 | - | 4.15 | 21,772 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,050 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,531 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,601 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,873 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,804 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,865 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,189 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,773 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 72,975 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,441 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,635 |
| US States Quiz | 0 | - | 5.00 | 16,682,178 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,380 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,412 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,302 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,461 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,357 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,226 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,482 |
| Celtic Nations | 0 | - | 4.69 | 46,797 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,270 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,710 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,598 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,207 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,970 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,075 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,237 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,414 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,682 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,787 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,120 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,589 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,582 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,681 |
| Monarchies of Europe | 0 | - | 4.90 | 97,225 |
| European Countries with One Border | 0 | - | 4.97 | 181,481 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,994 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,129 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,197 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,795 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,311 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,262 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,005 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,924 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,660 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,168 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,080 |
| Slavic Countries | 0 | - | 4.96 | 110,779 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,639 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,109 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,015 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,570 |
| States of Germany | 0 | - | 4.96 | 149,819 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,016 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,921 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,486 |
| Regions of Italy | 0 | - | 4.92 | 74,607 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,744 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,674 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,156 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,064 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,940 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,851 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,962 |
| Counties of England | 0 | - | 4.97 | 788,450 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,258 |
| Champions League Winners | 0 | - | 4.92 | 995,228 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,649 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,277 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,931 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,680 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,142 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,936 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,598 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,377 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,258 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,574 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,603 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,639 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,308 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
