| Brazil States Map Quiz | 0 | - | 4.85 | 47,514 |
| States of Brazil | 0 | - | 4.98 | 86,720 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,182 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,340 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.91 | 53,172 |
| 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 | 173,912 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,996 |
| South American Physical Geography | 0 | - | 4.58 | 18,290 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,128 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,043 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,227 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,494 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,193 |
| Chile Country Quiz | 0 | - | 4.75 | 39,807 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,670 |
| Peru Country Quiz | 0 | - | 4.54 | 48,393 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,867 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,846 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,490 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,577 |
| Animals of Australia | 0 | - | 4.52 | 42,191 |
| Flags of North and South America | 0 | - | 4.99 | 368,667 |
| South America Map Quiz | 0 | - | 5.00 | 1,542,554 |
| Which South American Country? | 0 | - | 4.69 | 51,768 |
| 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 | 128,464 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,124 |
| Guyana Country Quiz | 0 | - | 4.49 | 22,648 |
| Venezuela Country Quiz | 0 | - | 4.50 | 30,454 |
| 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 | 900,262 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,560 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,598 |
| The Only American Country ... | 0 | - | 4.92 | 120,926 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,471 |
| South American Cities on the Map | 0 | - | 4.56 | 35,272 |
| US States Quiz | 0 | - | 5.00 | 16,736,443 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,623 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,267 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,704 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,556 |
| African Great Lakes | 0 | - | 4.82 | 65,409 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,704 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.91 | 78,708 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,224 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,078 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,333 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,670 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,316 |
| Central American Countries | 0 | - | 4.98 | 155,262 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,338 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,366 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,817 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,446 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,519 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,891 |
| Pixelated United States Map | 0 | - | 4.89 | 93,645 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,704 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,017 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,590 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.84 | 65,757 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,496 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,962 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,569 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,617 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,935 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,180 |
| U.S. States By Population | 0 | - | 4.92 | 152,551 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,615 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,998 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,848 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,030 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,531 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,847 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,956 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,969 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,207 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,505 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,981 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,254 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,902 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,416 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,614 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,840 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,790 |
| US States with an Empty Map | 0 | - | 5.00 | 619,994 |
| 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 | 95,000 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,182 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,704 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,672 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,096 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,334 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,989 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,273 |
| 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 | 65,662 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,124 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,050 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,867 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,277 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,625 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,876 |
| Asian Physical Geography | 0 | - | 4.61 | 35,399 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,086 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,189 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,244 |
| 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 | 266,807 |
| 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 | 4,737,939 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,738 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,264 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,944 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,055 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,030 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,849 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,961 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,953 |
| 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 | 2,106,902 |
| African Physical Geography | 0 | - | 4.51 | 31,591 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,702 |
| Australian Capitals | 0 | - | 4.92 | 62,612 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,887 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,385 |
| 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 | 112,420 |
| 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 | 4,144,914 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,494 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,956 |
| 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 | 100,800 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,675 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,130 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,789 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,657 |
| 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 | 82,430 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,719 |
| U.S. States by Borders | 0 | - | 4.63 | 35,126 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,283 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,251 |
| 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 | 123,735 |
| 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 | 237,241 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,080 |
| European Physical Geography | 0 | - | 4.26 | 33,395 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,823 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,442,402 |
| Asia Map Quiz | 0 | - | 4.99 | 908,654 |
| 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 | 36,051 |
| 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 | 2,513,672 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,524 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,856 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,984 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,883 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,719 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,472 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,646 |
| African East Coast | 0 | - | 4.96 | 95,249 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,390 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,134 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,824 |
