| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,932 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,375 |
| States of Brazil | 0 | - | 4.98 | 86,354 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,308 |
| Flags of North and South America | 0 | - | 4.99 | 366,936 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,052 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,277 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,319 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,188 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,468 |
| States of Mexico | 0 | - | 4.95 | 173,300 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,765 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,867 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,123 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,077 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,069 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,364 |
| Chile Country Quiz | 0 | - | 4.75 | 39,717 |
| Peru Country Quiz | 0 | - | 4.54 | 48,294 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,536 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,841 |
| Which South American Country? | 0 | - | 4.69 | 51,719 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,097 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,169 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,020 |
| South American Physical Geography | 0 | - | 4.58 | 18,269 |
| Belize Country Quiz | 0 | - | 4.85 | 20,800 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,121 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,547 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,343 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,148 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,584 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,599 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,387 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,075 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,026 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,666 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,740 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,994 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,045 |
| Flags of Oceania | 0 | - | 5.00 | 255,071 |
| The Only American Country ... | 0 | - | 4.92 | 120,733 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,258 |
| US States Quiz | 0 | - | 5.00 | 16,696,041 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,221 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,822 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,776 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,335 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,379 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,079 |
| Name a Valid African Country | 0 | - | 4.98 | 152,916 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,064 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,611 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,966 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,313 |
| Mexican Foods | 0 | - | 4.07 | 14,608 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,133 |
| Central American Countries | 0 | - | 4.98 | 155,010 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,840 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,827 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,639 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,829 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,876 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,508 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,608 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,499 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,461 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,159 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,127 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,681 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,213 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,501 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,691 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,540 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,031 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,067 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,088 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,422 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,898 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,155 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,856 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,338 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,797 |
| Pixelated United States Map | 0 | - | 4.89 | 93,453 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,437 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,827 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,381 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,221 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,701 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,333 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,380 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,629 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,877 |
| U.S. States By Population | 0 | - | 4.92 | 152,333 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,374 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,845 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,550 |
| US States with an Empty Map | 0 | - | 5.00 | 618,654 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,534 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,754 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,865 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,073 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,334 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,680 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,895 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,945 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,874 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,508 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,301 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,173 |
| California Groups of Things | 0 | - | 4.25 | 45,264 |
| New York Groups of Things | 0 | - | 4.38 | 59,937 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,237 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,637 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,843 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,633 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,026 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,536 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,125 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,276 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,801 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,488 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,856 |
| South America A-Z | 0 | - | 4.13 | 10,837 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,467 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,202 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,678 |
| Panama Country Quiz | 0 | - | 4.61 | 25,602 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,357 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.66 | 21,906 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,209 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,642 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,780 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,614 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,014 |
| Washington State by Picture | 0 | - | 4.26 | 7,682 |
| Movies by State | 0 | - | 4.27 | 40,439 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,922 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,429 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,983 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,609 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,939 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,977 |
| Cross Flags of Europe | 0 | - | 4.42 | 296,797 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,677 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,925 |
| German Groups of Things | 0 | - | 4.46 | 38,303 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,932 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,322 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,317 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,077 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,501 |
| Empires by Maps | 0 | - | 4.98 | 118,414 |
| All Country Flags of the World | 0 | - | 5.00 | 3,600,364 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,007 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,154 |
| Australian Capitals | 0 | - | 4.92 | 62,592 |
| Word Chain - Australia | 0 | - | 4.37 | 38,013 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,312 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,275 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,074 |
| United States Country Quiz | 0 | - | 4.43 | 100,560 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,595 |
| Canada Country Quiz | 0 | - | 4.54 | 131,690 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,594 |
| Canada A-Z | 0 | - | 4.73 | 32,645 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,571 |
| Official European Union Languages | 0 | - | 4.97 | 236,488 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,684 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,120 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,620 |
| Asia Map Quiz | 0 | - | 4.99 | 906,820 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,645 |
| Flags of the Middle East | 0 | - | 4.69 | 62,320 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,988 |
| Countries by Road Signs | 0 | - | 4.98 | 53,083 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,016 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,023 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,243 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,552 |
| Countries that Beat India | 0 | - | 4.41 | 62,578 |
| Countries of Africa | 0 | - | 5.00 | 2,507,061 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,795 |
| African East Coast | 0 | - | 4.96 | 95,020 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,903 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,058 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,056 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,780 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,440 |
| Australia Map Quiz | 0 | - | 4.94 | 342,432 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,801 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,530 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,072 |
| History of Mexico | 0 | - | 4.58 | 15,229 |
