| Uruguay Country Quiz | 0 | - | 4.83 | 31,375 |
| 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 | 244,907 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,411 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,698 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 93,961 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,045 |
| States of Mexico | 0 | - | 4.95 | 173,636 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,247 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,074 |
| States of Brazil | 0 | - | 4.98 | 86,568 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,655 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,695 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,274 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,600 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,064 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 48,947 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,389 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,702 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,773 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,093 |
| Australian Capitals | 0 | - | 4.92 | 62,600 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,504 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,658 |
| Official European Union Languages | 0 | - | 4.97 | 237,096 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,915 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,551 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,880 |
| Asia Map Quiz | 0 | - | 4.99 | 907,910 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,908 |
| African East Coast | 0 | - | 4.96 | 95,158 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,026 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,914 |
| 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 | 30,362 |
| 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 | 210,358 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,319 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,236 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,577 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,745 |
| The Only European Country ... | 0 | - | 4.91 | 214,147 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,755 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,591 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,599 |
| Countries of Africa | 0 | - | 5.00 | 2,510,995 |
| Australia Map Quiz | 0 | - | 4.94 | 342,688 |
| 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 | 4,143,556 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,115 |
| 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 | 362,557 |
| Celtic Nations | 0 | - | 4.69 | 46,831 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,733 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,478 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,234 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,764 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,654 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,382 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,573 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,283 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,653 |
| African Island Countries | 0 | - | 4.96 | 100,879 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,856 |
| Australian States and Territories | 0 | - | 4.96 | 141,009 |
| 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 | 368,110 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,362 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,969 |
| South American Physical Geography | 0 | - | 4.58 | 18,280 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,141 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,406 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,425 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,546 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,254 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,666 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,800 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,808 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,400 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,597 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,555 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,926 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,094 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,301 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,752 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,376 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,288 |
| Slavic Countries | 0 | - | 4.96 | 110,950 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,073 |
| Counties of England | 0 | - | 4.97 | 790,003 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,431 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,418 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,892 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,494 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,343 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,880 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,609 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,774 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,969 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,241 |
| Countries of the Middle East | 0 | - | 4.96 | 199,160 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,274 |
| States of India | 0 | - | 4.94 | 190,601 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,202 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,026 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,293 |
| The Only African Country ... | 0 | - | 4.98 | 128,426 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,811 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,162 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,540 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,332 |
| Flags of Oceania | 0 | - | 5.00 | 255,719 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,959 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 144,517 |
| Australia Country Quiz | 0 | - | 4.43 | 69,332 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,116 |
| Regions of New Zealand | 0 | - | 4.85 | 28,241 |
| The Only American Country ... | 0 | - | 4.92 | 120,847 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,418 |
| Famous People from South America | 0 | - | 4.15 | 21,804 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,027 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,094 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,108 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,018 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,458 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,940 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,303 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,140 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,549 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,674 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,432 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,434 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,110 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,516 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,025 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,307 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,190 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,908 |
| Monarchies of Europe | 0 | - | 4.90 | 97,413 |
| European Countries with One Border | 0 | - | 4.97 | 181,749 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,646 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,381 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,072 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,353 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,278 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,331 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,839 |
| States of Germany | 0 | - | 4.96 | 150,352 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,120 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,588 |
| Regions of Italy | 0 | - | 4.92 | 74,849 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,908 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,498 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,397 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,444 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,113 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,248 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,559 |
| Champions League Winners | 0 | - | 4.92 | 997,443 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,063 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,160 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,466 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,012 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,515 |
| Monarchies of Asia | 0 | - | 4.97 | 70,655 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,472 |
| Provinces of Turkey | 0 | - | 4.95 | 201,760 |
| Provinces of China | 0 | - | 4.97 | 200,588 |
| Japanese Prefectures | 0 | - | 4.98 | 134,842 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,289 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,016 |
| Kazakhstan Country Quiz | 0 | - | 4.83 | 34,718 |
| States of India Map Quiz | 0 | - | 4.82 | 26,089 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,815 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,399 |
| African Great Lakes | 0 | - | 4.82 | 65,302 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,927 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,431 |
| Name a Valid African Country | 0 | - | 4.98 | 153,064 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,529 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,839 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,096 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,080 |
| Palau Country Quiz | 0 | - | 4.89 | 22,861 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,252 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,569 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,277 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,315 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,386 |
