| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,906 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,364 |
| States of Brazil | 0 | - | 4.98 | 86,318 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,303 |
| Flags of North and South America | 0 | - | 4.99 | 366,761 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,041 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,270 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,307 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,185 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,464 |
| States of Mexico | 0 | - | 4.95 | 173,266 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,756 |
| Countries that Beat Brazil | 0 | - | 4.49 | 67,857 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,112 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,073 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,056 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,363 |
| Chile Country Quiz | 0 | - | 4.75 | 39,709 |
| Peru Country Quiz | 0 | - | 4.54 | 48,287 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,508 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,831 |
| Which South American Country? | 0 | - | 4.69 | 51,711 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,976 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,108 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,893 |
| South American Physical Geography | 0 | - | 4.58 | 18,269 |
| Belize Country Quiz | 0 | - | 4.85 | 20,794 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,803 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,418 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,216 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,077 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,575 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,595 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,382 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,072 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,006 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,659 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,695 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,992 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,037 |
| Flags of Oceania | 0 | - | 5.00 | 254,993 |
| The Only American Country ... | 0 | - | 4.92 | 120,719 |
| South American Cities on the Map | 0 | - | 4.57 | 35,239 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,254 |
| US States Quiz | 0 | - | 5.00 | 16,693,083 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,202 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,802 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,757 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,315 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,365 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,059 |
| Name a Valid African Country | 0 | - | 4.98 | 152,898 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,053 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,610 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,959 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,311 |
| Mexican Foods | 0 | - | 4.07 | 14,607 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,121 |
| Central American Countries | 0 | - | 4.98 | 154,990 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,799 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,776 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,618 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,766 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,819 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,506 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,600 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,468 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,421 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,135 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,089 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,598 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,170 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,498 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,673 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,520 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,014 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,062 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,076 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,411 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,895 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,151 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,855 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,333 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| Pixelated United States Map | 0 | - | 4.89 | 93,437 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,414 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,813 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,368 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,208 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,681 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,321 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,368 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,607 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,865 |
| U.S. States By Population | 0 | - | 4.92 | 152,326 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,356 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,835 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,540 |
| US States with an Empty Map | 0 | - | 5.00 | 618,565 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,518 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,745 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,855 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,063 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,918 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,318 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,659 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,879 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,933 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,859 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,298 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,163 |
| California Groups of Things | 0 | - | 4.25 | 45,264 |
| New York Groups of Things | 0 | - | 4.38 | 59,931 |
| U.S. History Groups of Two | 0 | - | 4.23 | 44,234 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,601 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,837 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,625 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,012 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,532 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,122 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,226 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,799 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,461 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,854 |
| South America A-Z | 0 | - | 4.13 | 10,836 |
| El Salvador Country Quiz | 0 | - | 4.62 | 31,465 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,197 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,675 |
| Panama Country Quiz | 0 | - | 4.61 | 25,595 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,353 |
| Antigua and Barbuda Country Quiz | 0 | - | 4.66 | 21,902 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,206 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,638 |
| Grenada Country Quiz | 0 | - | 4.62 | 18,777 |
| Saint Kitts and Nevis Country Quiz | 0 | - | 4.57 | 18,607 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,010 |
| Washington State by Picture | 0 | - | 4.26 | 7,682 |
| Movies by State | 0 | - | 4.27 | 40,438 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 38,921 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,927 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,979 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,930 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,969 |
| Cross Flags of Europe | 0 | - | 4.42 | 296,764 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,662 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,923 |
| German Groups of Things | 0 | - | 4.46 | 38,298 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,916 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,319 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,316 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,061 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,479 |
| Empires by Maps | 0 | - | 4.98 | 118,358 |
| All Country Flags of the World | 0 | - | 5.00 | 3,599,352 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,749 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,030 |
| Australian Capitals | 0 | - | 4.92 | 62,590 |
| Word Chain - Australia | 0 | - | 4.37 | 38,012 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,754 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,308 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,274 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| United States Country Quiz | 0 | - | 4.43 | 100,542 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,590 |
| Canada Country Quiz | 0 | - | 4.54 | 131,682 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,587 |
| Canada A-Z | 0 | - | 4.73 | 32,640 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,563 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,663 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,068 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,417 |
| Asia Map Quiz | 0 | - | 4.99 | 906,659 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,637 |
| Flags of the Middle East | 0 | - | 4.69 | 62,314 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,982 |
| Countries by Road Signs | 0 | - | 4.98 | 53,070 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,000 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,828 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,151 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,486 |
| Countries that Beat India | 0 | - | 4.41 | 62,571 |
| Countries of Africa | 0 | - | 5.00 | 2,506,560 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| African East Coast | 0 | - | 4.96 | 95,003 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,894 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,057 |
| Countries that Beat South Africa | 0 | - | 4.69 | 42,049 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,973 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,762 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,439 |
| Australia Map Quiz | 0 | - | 4.94 | 342,386 |
| Pixelated Americas Map | 0 | - | 4.40 | 46,792 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,527 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,072 |
| History of Mexico | 0 | - | 4.58 | 15,227 |
