| Uruguay Country Quiz | 0 | - | 4.84 | 31,612 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,666 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,301 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,720 |
| North America Map Quiz | 0 | - | 4.98 | 248,906 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,767 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,232 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,748 |
| States of Mexico | 0 | - | 4.96 | 176,393 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,997 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,030 |
| States of Brazil | 0 | - | 4.97 | 88,303 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,275 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,014 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,744 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,397 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,397 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,371 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,557 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,392 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,063 |
| U.S. Highway Signs By State | 0 | - | 4.46 | 15,516 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,224 |
| Official European Union Languages | 0 | - | 4.97 | 238,684 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,973 |
| Europe Map Quiz | 0 | - | 5.00 | 4,766,653 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,766 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,081 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| Native American Tribes in the US | 0 | - | 4.74 | 25,561 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,550 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,899 |
| Asia Map Quiz | 0 | - | 4.99 | 917,917 |
| Countries of Africa | 0 | - | 5.00 | 2,540,713 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,949 |
| African East Coast | 0 | - | 4.96 | 96,149 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,014 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,809 |
| Australia Map Quiz | 0 | - | 4.95 | 344,835 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,275 |
| New World Crops | 0 | - | 4.38 | 30,895 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,774 |
| History of Mexico | 0 | - | 4.58 | 15,320 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,370 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,589 |
| Word Chain - South America | 0 | - | 4.51 | 23,916 |
| North American Physical Geography | 0 | - | 4.35 | 30,424 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,244 |
| Most Populous Native American Tribes | 0 | - | 4.28 | 12,445 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,335 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,648 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.12 | 41,049 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,511 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,695 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,265 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,715 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,033 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,440 |
| The Only European Country ... | 0 | - | 4.91 | 216,991 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,345 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,868 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,098 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,892 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,021 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,181 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,153 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,676 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,344 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,343 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,664 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,212 |
| African Island Countries | 0 | - | 4.96 | 101,725 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,586 |
| Australian States and Territories | 0 | - | 4.96 | 142,111 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,325 |
| Australia True or False | 0 | - | 4.87 | 56,904 |
| Flags of North and South America | 0 | - | 4.99 | 373,666 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,932 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,687 |
| South American Physical Geography | 0 | - | 4.58 | 18,358 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,438 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,075 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,939 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,918 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,409 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,080 |
| Celtic Nations | 0 | - | 4.69 | 46,966 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,632 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,774 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,304 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,997 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,257 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,446 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,841 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,318 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,409 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,402 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,297 |
| Slavic Countries | 0 | - | 4.96 | 111,763 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,391 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,107 |
| Counties of England | 0 | - | 4.97 | 797,834 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,493 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,313 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,850 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,252 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,088 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,021 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,603 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,542 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,549 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,017 |
| Countries of the Middle East | 0 | - | 4.96 | 201,349 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,557 |
| States of India | 0 | - | 4.95 | 193,707 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,697 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,363 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,827 |
| The Only African Country ... | 0 | - | 4.99 | 129,193 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,158 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,940 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,492 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,280 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.88 | 57,965 |
| Flags of Oceania | 0 | - | 5.00 | 259,856 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,381 |
| Australia Cities Map Quiz | 0 | - | 4.82 | 145,546 |
| Australia Country Quiz | 0 | - | 4.43 | 69,631 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,628 |
| Regions of New Zealand | 0 | - | 4.85 | 28,545 |
| The Only American Country ... | 0 | - | 4.92 | 121,708 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,194 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,024 |
| Famous People from South America | 0 | - | 4.15 | 22,000 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,620 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 58,068 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 64,274 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,537 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,591 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,542 |
| The U.S. Pledge of Allegiance | 0 | - | 3.99 | 18,368 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 74,216 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,988 |
| US States Quiz | 0 | - | 5.00 | 16,894,885 |
| U.S. Geography - Multiple Choice | 0 | - | 4.41 | 24,813 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,140 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,951 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,688 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,495 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,238 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,528 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,874 |
| Monarchies of Europe | 0 | - | 4.90 | 98,228 |
| European Countries with One Border | 0 | - | 4.97 | 182,937 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,718 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,733 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,558 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,617 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,971 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,597 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,967 |
| States of Germany | 0 | - | 4.95 | 152,858 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,157 |
| Regions of Italy | 0 | - | 4.92 | 76,052 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,287 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,134 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,291 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,843 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,062 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,854 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,721 |
| Champions League Winners | 0 | - | 4.92 | 1,008,162 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,568 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,106 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,404 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,071 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,303 |
| Monarchies of Asia | 0 | - | 4.97 | 71,139 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,950 |
| Provinces of Turkey | 0 | - | 4.95 | 204,417 |
| Provinces of China | 0 | - | 4.97 | 204,957 |
| Japanese Prefectures | 0 | - | 4.98 | 137,254 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,914 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,964 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,334 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,397 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,243 |
| States of India Map Quiz | 0 | - | 4.83 | 26,560 |
| Countries Bordering India | 0 | - | 4.98 | 163,466 |
| Countries Closest to India | 0 | - | 4.97 | 102,855 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,286 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,765 |
| African Great Lakes | 0 | - | 4.82 | 66,321 |
| Every African Country Shape | 0 | - | 4.90 | 87,468 |
| Word Chain - Africa | 0 | - | 4.47 | 31,635 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,681 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,344 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,695 |
| Name a Valid African Country | 0 | - | 4.98 | 154,207 |
