| Brazil States Map Quiz | 0 | - | 4.85 | 47,513 |
| States of Brazil | 0 | - | 4.98 | 86,719 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,181 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,340 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,168 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,423 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,255 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,415 |
| States of Mexico | 0 | - | 4.95 | 173,907 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,994 |
| South American Physical Geography | 0 | - | 4.58 | 18,290 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,126 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,037 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,226 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,494 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,192 |
| Chile Country Quiz | 0 | - | 4.75 | 39,806 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,669 |
| Peru Country Quiz | 0 | - | 4.54 | 48,392 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,867 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,843 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,488 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,574 |
| Animals of Australia | 0 | - | 4.52 | 42,191 |
| Flags of North and South America | 0 | - | 4.99 | 368,657 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,539 |
| Which South American Country? | 0 | - | 4.69 | 51,766 |
| Belize Country Quiz | 0 | - | 4.85 | 20,839 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,251 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,463 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,111 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,646 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,453 |
| Paraguay Country Quiz | 0 | - | 4.53 | 25,142 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,108 |
| Suriname Country Quiz | 0 | - | 4.60 | 19,700 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,259 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,558 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,596 |
| The Only American Country ... | 0 | - | 4.92 | 120,919 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,469 |
| South American Cities on the Map | 0 | - | 4.56 | 35,271 |
| US States Quiz | 0 | - | 5.00 | 16,736,097 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,613 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,265 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,700 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,554 |
| African Great Lakes | 0 | - | 4.82 | 65,408 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,704 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 78,465 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,220 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,078 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,332 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,664 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,315 |
| Central American Countries | 0 | - | 4.98 | 155,259 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,336 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,362 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,817 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,445 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,511 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,890 |
| Pixelated United States Map | 0 | - | 4.89 | 93,644 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,702 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,016 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,590 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,756 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,496 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,957 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,563 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,614 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,930 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,171 |
| U.S. States By Population | 0 | - | 4.92 | 152,543 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,613 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,994 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,846 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,027 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,526 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,847 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,954 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,967 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,207 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,503 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,981 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,253 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,901 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,415 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,612 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,836 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,789 |
| US States with an Empty Map | 0 | - | 5.00 | 619,973 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,215 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,046 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,994 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,182 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,703 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,672 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,095 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,334 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,986 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,270 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,823 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,264 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,740 |
| Panama Country Quiz | 0 | - | 4.61 | 25,644 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,409 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,261 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,669 |
| Rivers of the United States | 0 | - | 4.93 | 65,661 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,122 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,050 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,866 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,276 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,624 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,864 |
| Asian Physical Geography | 0 | - | 4.61 | 35,399 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,056 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,189 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,243 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,670 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,517 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,805 |
| South America A-Z | 0 | - | 4.13 | 10,852 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,046 |
| Europe Map Quiz | 0 | - | 5.00 | 4,737,846 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,734 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,264 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,943 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,054 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,027 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,847 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,960 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,951 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,757 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,262 |
| Africa Map Quiz | 0 | - | 5.00 | 2,106,884 |
| African Physical Geography | 0 | - | 4.51 | 31,591 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,694 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,886 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,384 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,638 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,757 |
| History of Mexico | 0 | - | 4.58 | 15,244 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,417 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,277 |
| U.S. State Nicknames Quiz | 0 | - | 4.47 | 50,341 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,888 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,494 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,951 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,187 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,100 |
| United States Country Quiz | 0 | - | 4.43 | 100,798 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,675 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,127 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,789 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,656 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,218 |
| New England States | 0 | - | 4.51 | 59,723 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,543 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,909 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,429 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,718 |
| U.S. States by Borders | 0 | - | 4.63 | 35,126 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,281 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,230 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,040 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,173 |
| Canada Country Quiz | 0 | - | 4.55 | 131,893 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,734 |
| Canada A-Z | 0 | - | 4.73 | 32,688 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,140 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,723 |
| Official European Union Languages | 0 | - | 4.97 | 237,236 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,079 |
| European Physical Geography | 0 | - | 4.26 | 33,395 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,811 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,390 |
| Asia Map Quiz | 0 | - | 4.99 | 908,637 |
| South China Sea Countries | 0 | - | 4.78 | 57,534 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,562 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,717 |
| National Animals | 0 | - | 4.24 | 89,203 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,050 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,931 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,712 |
| Georgia ... or Georgia? | 0 | - | 4.69 | 76,503 |
| Countries of Africa | 0 | - | 5.00 | 2,513,630 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,524 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,844 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,984 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,875 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,716 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,469 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,645 |
| African East Coast | 0 | - | 4.96 | 95,248 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,389 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,134 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,822 |
