| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,264 |
| Cities with the Most Opera Performances | 0 | - | 4.61 | 41,049 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,280 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,073 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,930 |
| Europe Map Quiz | 0 | - | 5.00 | 4,741,383 |
| Africa Map Quiz | 0 | - | 5.00 | 2,108,750 |
| Oceania Map Quiz | 0 | - | 4.98 | 637,546 |
| Australian Capitals | 0 | - | 4.92 | 62,639 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,784 |
| Official European Union Languages | 0 | - | 4.97 | 237,428 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,184 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,105 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,054 |
| Asia Map Quiz | 0 | - | 4.99 | 909,693 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,139 |
| African East Coast | 0 | - | 4.96 | 95,383 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,247 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,079 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,793 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,409 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,645 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,695 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,097 |
| The Only European Country ... | 0 | - | 4.91 | 214,778 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,081 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,641 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,008 |
| Countries by National Anthem | 0 | - | 4.93 | 71,086 |
| Countries of Africa | 0 | - | 5.00 | 2,516,862 |
| Australia Map Quiz | 0 | - | 4.94 | 343,025 |
| United States Map Quiz | 0 | - | 4.98 | 4,146,414 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,964 |
| Celtic Nations | 0 | - | 4.69 | 46,856 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,378,478 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,584 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,772 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,035 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,810 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,567 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,738 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,556 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,008 |
| African Island Countries | 0 | - | 4.96 | 101,048 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,236 |
| Australian States and Territories | 0 | - | 4.96 | 141,226 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,101 |
| Australia True or False | 0 | - | 4.87 | 56,619 |
| Flags of North and South America | 0 | - | 4.99 | 369,319 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,329 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,423 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,665 |
| South America Map Quiz | 0 | - | 5.00 | 1,543,432 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,015,681 |
| North America Map Quiz | 0 | - | 4.98 | 245,966 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,487 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,266 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,251 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,813 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,622 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,292 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,280 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,336 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,007 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,586 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,053 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,667 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,031 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,999 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,060 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,100 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,592 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,405 |
| Slavic Countries | 0 | - | 4.96 | 111,122 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,148 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,697 |
| Counties of England | 0 | - | 4.97 | 791,584 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,924 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,731 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,082 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,644 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,504 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,128 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,828 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,920 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,372 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,383 |
| Countries of the Middle East | 0 | - | 4.96 | 199,577 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,320 |
| Rappers by Picture | 0 | - | 4.22 | 133,284 |
| States of India | 0 | - | 4.94 | 191,240 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,321 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,135 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,393 |
| The Only African Country ... | 0 | - | 4.98 | 128,611 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,882 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,308 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,062 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,617 |
| Flags of Oceania | 0 | - | 5.00 | 256,435 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,079 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,702 |
| Australia Country Quiz | 0 | - | 4.43 | 69,387 |
| Regions of New Zealand | 0 | - | 4.85 | 28,322 |
| The Only American Country ... | 0 | - | 4.92 | 121,068 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,616 |
| Uruguay Country Quiz | 0 | - | 4.83 | 31,419 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,465 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,266 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,165 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,316 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,121 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,656 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,077 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,314 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,637 |
| Canadian Musical Acts by Two Songs | 0 | - | 4.02 | 28,190 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,660 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,552 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,248 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,752 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,304 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,472 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,257 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,116 |
| Monarchies of Europe | 0 | - | 4.90 | 97,577 |
| European Countries with One Border | 0 | - | 4.97 | 181,970 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,854 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,345 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,927 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,420 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,597 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,045 |
| States of Germany | 0 | - | 4.96 | 150,798 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,257 |
| Regions of Italy | 0 | - | 4.92 | 75,039 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,028 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,951 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,622 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,954 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,244 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,485 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,599 |
| Champions League Winners | 0 | - | 4.92 | 999,460 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,140 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,367 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,664 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,408 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,669 |
| Monarchies of Asia | 0 | - | 4.97 | 70,760 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,564 |
| Provinces of Turkey | 0 | - | 4.95 | 202,569 |
| Provinces of China | 0 | - | 4.97 | 201,435 |
| Japanese Prefectures | 0 | - | 4.98 | 135,346 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,781 |
| BTS Members (K-Pop) | 0 | - | 3.37 | 26,878 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,429 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,192 |
| Kazakhstan Country Quiz | 0 | - | 4.79 | 35,411 |
| States of India Map Quiz | 0 | - | 4.82 | 26,174 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,916 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,473 |
| African Great Lakes | 0 | - | 4.82 | 65,547 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,079 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,647 |
| Name a Valid African Country | 0 | - | 4.98 | 153,269 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,599 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,893 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,179 |
| Palau Country Quiz | 0 | - | 4.90 | 22,900 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,344 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,702 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,450 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,350 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,417 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,115 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,341 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,074 |
| States of Mexico | 0 | - | 4.95 | 174,216 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,075 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,438 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,268 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,574 |
| States of Brazil | 0 | - | 4.97 | 86,854 |
| Central American Countries | 0 | - | 4.98 | 155,400 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,535 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,463 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,907 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,596 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,844 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,621 |
| Who Did that Motown Song? | 0 | - | 4.48 | 13,028 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,828 |
| US States Quiz | 0 | - | 5.00 | 16,755,193 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,864 |
| Mediterranean Geography on a Map | 0 | - | 4.49 | 37,135 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,818 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,654 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,492 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,502 |
