| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,370 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,590 |
| North America Map Quiz | 0 | - | 4.98 | 244,307 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,569 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,873 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,564 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,667 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,381 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,882 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,361 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,133 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,139 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,233 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,423 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,342 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,256 |
| North American Physical Geography | 0 | - | 4.35 | 30,352 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,404 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,008 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,083 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,516 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,786 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,235 |
| Slavic Languages | 0 | - | 4.67 | 53,962 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,465 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,326 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,064 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,422 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,577 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,027 |
| Top World Languages | 0 | - | 4.92 | 812,759 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,286 |
| U.S. Geography True or False #1 | 0 | - | 4.53 | 28,579 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,660 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,043 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,810 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,062 |
| Australian Capitals | 0 | - | 4.92 | 62,591 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,071 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,439 |
| Asia Map Quiz | 0 | - | 4.99 | 906,712 |
| Countries by Official Language | 0 | - | 4.95 | 192,710 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,382 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,945 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,044 |
| Countries in their Native Language | 0 | - | 4.99 | 196,569 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,742 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,215 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.98 | 115,042 |
| Wikipedia Languages | 0 | - | 4.97 | 126,478 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| African East Coast | 0 | - | 4.96 | 95,008 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,896 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,045 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,764 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| New World Crops | 0 | - | 4.33 | 23,500 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,045 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,182 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,901 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,522 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,474 |
| The Only European Country ... | 0 | - | 4.91 | 213,722 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,458 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,423 |
| Spanish to English Country Names | 0 | - | 4.85 | 31,987 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,277 |
| Top Five Languages by Language Family | 0 | - | 4.99 | 53,332 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,622 |
| All Wikipedia Languages | 0 | - | 4.94 | 27,679 |
| German-Speaking Countries | 0 | - | 4.89 | 123,492 |
| Italian Name Translation | 0 | - | 4.81 | 44,977 |
| French-Speaking Countries | 0 | - | 4.85 | 268,729 |
| Countries of Africa | 0 | - | 5.00 | 2,506,639 |
| Australia Map Quiz | 0 | - | 4.94 | 342,395 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,179 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,227 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,613 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,423 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,996 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,578 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,540 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,221 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,480 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,043 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,378 |
| African Island Countries | 0 | - | 4.96 | 100,749 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,588 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,659 |
| Australian States and Territories | 0 | - | 4.95 | 140,642 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,008 |
| Australia True or False | 0 | - | 4.87 | 56,491 |
| Flags of North and South America | 0 | - | 4.99 | 366,803 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,112 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,912 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,598 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,275 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,734 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,779 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,482 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,236 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,857 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,427 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,673 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,233 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,448 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,827 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,745 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,767 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,291 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,218 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,157 |
| Slavic Countries | 0 | - | 4.96 | 110,821 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,034 |
| Counties of England | 0 | - | 4.97 | 788,917 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,669 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,235 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,324 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,734 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,376 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,202 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,449 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,648 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,727 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,129 |
| Countries of the Middle East | 0 | - | 4.96 | 198,839 |
| English Speaking Countries | 0 | - | 4.64 | 355,981 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,067 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,233 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,116 |
| States of India | 0 | - | 4.94 | 189,942 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,139 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,993 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,235 |
| The Only African Country ... | 0 | - | 4.99 | 128,331 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,766 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,038 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,260 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,071 |
| Flags of Oceania | 0 | - | 5.00 | 255,011 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,893 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,394 |
| Australia Country Quiz | 0 | - | 4.43 | 69,265 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,039 |
| Regions of New Zealand | 0 | - | 4.85 | 28,120 |
| The Only American Country ... | 0 | - | 4.92 | 120,722 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,313 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,705 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,920 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,908 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,932 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,842 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,039 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,469 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,340 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,018 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,323 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,802 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,186 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,127 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,760 |
| Monarchies of Europe | 0 | - | 4.90 | 97,282 |
| European Countries with One Border | 0 | - | 4.97 | 181,576 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,485 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,188 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,890 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,379 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,339 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,066 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,980 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,740 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,898 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,158 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,082 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,648 |
| States of Germany | 0 | - | 4.96 | 149,956 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,991 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,510 |
| Regions of Italy | 0 | - | 4.92 | 74,668 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,275 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,100 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,059 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,881 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,031 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Champions League Winners | 0 | - | 4.92 | 995,930 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,980 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,994 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,318 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,698 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,371 |
| Monarchies of Asia | 0 | - | 4.97 | 70,582 |
