| Uruguay Country Quiz | 0 | - | 4.83 | 31,377 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,203 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,250 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,611 |
| North America Map Quiz | 0 | - | 4.98 | 244,912 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,412 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,698 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,962 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,045 |
| States of Mexico | 0 | - | 4.95 | 173,656 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,250 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,079 |
| States of Brazil | 0 | - | 4.98 | 86,575 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,661 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,699 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,278 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,602 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,077 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,948 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,389 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,782 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,797 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,117 |
| Australian Capitals | 0 | - | 4.92 | 62,601 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,504 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,660 |
| Official European Union Languages | 0 | - | 4.97 | 237,103 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,929 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,554 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,889 |
| Asia Map Quiz | 0 | - | 4.99 | 907,932 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,910 |
| African East Coast | 0 | - | 4.96 | 95,161 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,031 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,916 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,204 |
| New World Crops | 0 | - | 4.33 | 23,511 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,755 |
| North American Physical Geography | 0 | - | 4.35 | 30,363 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,410 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,279 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,362 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,319 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,246 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,578 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,750 |
| The Only European Country ... | 0 | - | 4.91 | 214,151 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,761 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,591 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,603 |
| Countries of Africa | 0 | - | 5.00 | 2,511,083 |
| Australia Map Quiz | 0 | - | 4.94 | 342,697 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,627 |
| History of Mexico | 0 | - | 4.58 | 15,238 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,208 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,482 |
| Word Chain - South America | 0 | - | 4.51 | 23,770 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,587 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,116 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,534 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,822 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,565 |
| Celtic Nations | 0 | - | 4.69 | 46,833 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,752 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,478 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,245 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,765 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,654 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,383 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,575 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,290 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,662 |
| African Island Countries | 0 | - | 4.96 | 100,882 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,858 |
| Australian States and Territories | 0 | - | 4.96 | 141,010 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,043 |
| Australia True or False | 0 | - | 4.87 | 56,546 |
| Flags of North and South America | 0 | - | 4.99 | 368,118 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,366 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,984 |
| South American Physical Geography | 0 | - | 4.58 | 18,280 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,170 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,416 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,436 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,547 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,254 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,716 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,827 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,811 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,402 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,600 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,559 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,926 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,096 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,312 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,761 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,378 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,290 |
| Slavic Countries | 0 | - | 4.96 | 110,952 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,074 |
| Counties of England | 0 | - | 4.97 | 790,024 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,448 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,419 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,893 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,496 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,344 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,880 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,610 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,780 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,974 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,242 |
| Countries of the Middle East | 0 | - | 4.96 | 199,163 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,275 |
| States of India | 0 | - | 4.94 | 190,611 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,202 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,027 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,293 |
| The Only African Country ... | 0 | - | 4.98 | 128,427 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,811 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,164 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,543 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,356 |
| Flags of Oceania | 0 | - | 5.00 | 255,725 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,960 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,518 |
| Australia Country Quiz | 0 | - | 4.43 | 69,332 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,117 |
| Regions of New Zealand | 0 | - | 4.85 | 28,242 |
| The Only American Country ... | 0 | - | 4.92 | 120,852 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,420 |
| Famous People from South America | 0 | - | 4.15 | 21,804 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,036 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,095 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,111 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,020 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,459 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,943 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,303 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,145 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,550 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,674 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,433 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,437 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,111 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,522 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,027 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,308 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,190 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,909 |
| Monarchies of Europe | 0 | - | 4.90 | 97,413 |
| European Countries with One Border | 0 | - | 4.97 | 181,752 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,650 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,383 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,074 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,369 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,280 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,336 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,839 |
| States of Germany | 0 | - | 4.96 | 150,362 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,122 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,588 |
| Regions of Italy | 0 | - | 4.92 | 74,852 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,909 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,504 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,397 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,451 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,114 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,253 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,559 |
| Champions League Winners | 0 | - | 4.92 | 997,458 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,066 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,163 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,466 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,015 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,521 |
| Monarchies of Asia | 0 | - | 4.97 | 70,655 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,474 |
| Provinces of Turkey | 0 | - | 4.95 | 201,797 |
| Provinces of China | 0 | - | 4.97 | 200,606 |
| Japanese Prefectures | 0 | - | 4.98 | 134,854 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,289 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,018 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,736 |
| States of India Map Quiz | 0 | - | 4.82 | 26,090 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,816 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,400 |
| African Great Lakes | 0 | - | 4.82 | 65,307 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,929 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,432 |
| Name a Valid African Country | 0 | - | 4.98 | 153,067 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,529 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,841 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,097 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,080 |
| Palau Country Quiz | 0 | - | 4.89 | 22,863 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,253 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,570 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,280 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,317 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,386 |
