| North America Map Quiz | 0 | - | 4.98 | 248,536 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,735 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,162 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,579 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,673 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,731 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,032 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,325 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,534 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,613 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,232 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,502 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,997 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,534 |
| States of Mexico | 0 | - | 4.96 | 176,109 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,924 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,919 |
| States of Brazil | 0 | - | 4.97 | 88,061 |
| North American Physical Geography | 0 | - | 4.35 | 30,418 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,442 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,256 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,311 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,636 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,018 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,577 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,707 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,219 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,801 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 279,156 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| The U.S. Pledge of Allegiance | 0 | - | 3.98 | 18,360 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,134 |
| Official European Union Languages | 0 | - | 4.97 | 238,517 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,863 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,225 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,979 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,379 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,782 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,230 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,270 |
| Asia Map Quiz | 0 | - | 4.99 | 916,847 |
| Countries of Africa | 0 | - | 5.00 | 2,537,186 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,834 |
| African East Coast | 0 | - | 4.96 | 96,069 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,889 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,701 |
| Australia Map Quiz | 0 | - | 4.95 | 344,622 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,269 |
| New World Crops | 0 | - | 4.38 | 30,884 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,751 |
| History of Mexico | 0 | - | 4.58 | 15,309 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,348 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,578 |
| Word Chain - South America | 0 | - | 4.51 | 23,907 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,543 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,272 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,655 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,041 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,485 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,989 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,261 |
| The Only European Country ... | 0 | - | 4.91 | 216,645 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,145 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,835 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,983 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,012 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,974 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,348 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,991 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,245 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,268 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,519 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,063 |
| African Island Countries | 0 | - | 4.96 | 101,637 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,419 |
| Australian States and Territories | 0 | - | 4.96 | 141,976 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,290 |
| Australia True or False | 0 | - | 4.87 | 56,859 |
| Flags of North and South America | 0 | - | 4.99 | 373,115 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,771 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,825 |
| South American Physical Geography | 0 | - | 4.58 | 18,348 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,302 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,571 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,442 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,883 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,240 |
| Celtic Nations | 0 | - | 4.69 | 46,945 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,756 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,674 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,214 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,723 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,154 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,376 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,524 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,888 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,222 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,293 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,195 |
| Slavic Countries | 0 | - | 4.96 | 111,666 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,358 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,012 |
| Counties of England | 0 | - | 4.97 | 796,828 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,019 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,616 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,240 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,738 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,156 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,998 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,898 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,517 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,438 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,383 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,931 |
| Countries of the Middle East | 0 | - | 4.96 | 201,182 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,522 |
| States of India | 0 | - | 4.95 | 193,321 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,640 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,337 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,780 |
| The Only African Country ... | 0 | - | 4.99 | 129,104 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,130 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,865 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,298 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,208 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,335 |
| Flags of Oceania | 0 | - | 5.00 | 259,448 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,340 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,414 |
| Australia Country Quiz | 0 | - | 4.43 | 69,591 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,571 |
| Regions of New Zealand | 0 | - | 4.85 | 28,512 |
| The Only American Country ... | 0 | - | 4.92 | 121,612 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,126 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,021 |
| Famous People from South America | 0 | - | 4.15 | 21,977 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,306 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,969 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,143 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,482 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,465 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,468 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,031 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,943 |
| US States Quiz | 0 | - | 5.00 | 16,875,903 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,083 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,863 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,534 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,325 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,143 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,494 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,767 |
| Monarchies of Europe | 0 | - | 4.90 | 98,154 |
| European Countries with One Border | 0 | - | 4.97 | 182,785 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,582 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,596 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,355 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,190 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,904 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,442 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,823 |
| States of Germany | 0 | - | 4.96 | 152,600 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,044 |
| Regions of Italy | 0 | - | 4.92 | 75,884 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,170 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,954 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,212 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,565 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,003 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,648 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,700 |
| Champions League Winners | 0 | - | 4.92 | 1,006,804 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,513 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,006 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,295 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,822 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,208 |
| Monarchies of Asia | 0 | - | 4.97 | 71,090 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,892 |
| Provinces of Turkey | 0 | - | 4.95 | 204,196 |
| Provinces of China | 0 | - | 4.97 | 204,493 |
| Japanese Prefectures | 0 | - | 4.98 | 136,934 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,846 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,870 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,274 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,327 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,222 |
| States of India Map Quiz | 0 | - | 4.83 | 26,518 |
| Countries Bordering India | 0 | - | 4.98 | 163,433 |
| Countries Closest to India | 0 | - | 4.97 | 102,785 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,234 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,729 |
| African Great Lakes | 0 | - | 4.82 | 66,257 |
| Every African Country Shape | 0 | - | 4.90 | 87,321 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,608 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,277 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,610 |
| Name a Valid African Country | 0 | - | 4.98 | 154,081 |
