| Brazil States Map Quiz | 0 | - | 4.86 | 48,650 |
| States of Brazil | 0 | - | 4.97 | 89,858 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,285 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,927 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,930 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,023 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,410 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,848 |
| States of Mexico | 0 | - | 4.96 | 178,397 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,699 |
| South American Physical Geography | 0 | - | 4.58 | 18,408 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,634 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,833 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,270 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,218 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,915 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,824 |
| Chile Country Quiz | 0 | - | 4.75 | 40,311 |
| Ecuador Country Quiz | 0 | - | 4.60 | 32,023 |
| Peru Country Quiz | 0 | - | 4.54 | 48,949 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,412 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,584 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,719 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,679 |
| Animals of Australia | 0 | - | 4.53 | 42,502 |
| Flags of North and South America | 0 | - | 4.99 | 377,397 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,177 |
| Which South American Country? | 0 | - | 4.69 | 52,128 |
| Belize Country Quiz | 0 | - | 4.85 | 21,103 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,727 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,194 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,940 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,751 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,421 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,407 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,942 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,160 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,496 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,714 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,247 |
| The Only American Country ... | 0 | - | 4.92 | 122,250 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,701 |
| South American Cities on the Map | 0 | - | 4.52 | 35,565 |
| US States Quiz | 0 | - | 5.00 | 17,005,516 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,755 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,669 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,202 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,906 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,430 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,884 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,779 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,498 |
| Countries of South America with an Empty Map | 0 | - | 4.95 | 105,537 |
| Central American Countries | 0 | - | 4.98 | 157,406 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,633 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,778 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,525 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,459 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,613 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,678 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,718 |
| Pixelated United States Map | 0 | - | 4.88 | 94,847 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,616 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,487 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,124 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,761 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,845 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,115 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,332 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,356 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,405 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,433 |
| U.S. States By Population | 0 | - | 4.92 | 154,193 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,286 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,924 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,556 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,139 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,637 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,534 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,374 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,765 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,986 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,713 |
| African Great Lakes | 0 | - | 4.82 | 67,037 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,822 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,900 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,356 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,769 |
| Jamaica Country Quiz | 0 | - | 4.59 | 35,254 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,824 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,285 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,742 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,355 |
| US States with an Empty Map | 0 | - | 5.00 | 629,032 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,515 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,060 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,246 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,462 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,981 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,194 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,082 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,117 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,034 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,505 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,492 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,512 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,582 |
| Honduras Country Quiz | 0 | - | 4.52 | 24,034 |
| Panama Country Quiz | 0 | - | 4.61 | 25,948 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,722 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,600 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,858 |
| Rivers of the United States | 0 | - | 4.93 | 66,721 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,641 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,917 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,570 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,909 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,234 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,688 |
| Asian Physical Geography | 0 | - | 4.61 | 35,627 |
| African Physical Geography | 0 | - | 4.51 | 31,826 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,689 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,086 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,080 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,010 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,672 |
| South America A-Z | 0 | - | 4.15 | 10,949 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,294 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,180 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,976 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,816 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,357 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,214 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,486 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,587 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,905 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,522 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,362 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,586 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,281 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,355 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,761 |
| Australian Capitals | 0 | - | 4.92 | 62,841 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,789 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,081 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,081 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,865 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,799 |
| History of Mexico | 0 | - | 4.52 | 15,367 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,311 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,763 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,189 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,681 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,969 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,241 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,284 |
| United States Country Quiz | 0 | - | 4.43 | 102,250 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,079 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,590 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 80,159 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.43 | 60,132 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,543 |
| New England States | 0 | - | 4.51 | 59,905 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,076 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,126 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,180 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,301 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,158 |
| U.S. States by Borders | 0 | - | 4.62 | 35,492 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,693 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,358 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,458 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,954 |
| Canada Country Quiz | 0 | - | 4.55 | 133,087 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,634 |
| Canada A-Z | 0 | - | 4.73 | 32,978 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,781 |
| Official European Union Languages | 0 | - | 4.97 | 239,889 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,712 |
| European Physical Geography | 0 | - | 4.26 | 33,602 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,083 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,818 |
| Asia Map Quiz | 0 | - | 4.99 | 925,737 |
| South China Sea Countries | 0 | - | 4.78 | 57,868 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,975 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,226 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,469 |
| National Animals | 0 | - | 4.24 | 90,241 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,902 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,746 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,504 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,953 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,738 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,512 |
| Australian States and Territories | 0 | - | 4.96 | 142,919 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,514 |
| Australia Map Quiz | 0 | - | 4.95 | 346,279 |
| Australia True or False | 0 | - | 4.87 | 57,168 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,030 |
