| Brazil States Map Quiz | 0 | - | 4.85 | 48,101 |
| States of Brazil | 0 | - | 4.97 | 88,200 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,595 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,603 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,971 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,734 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,855 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,655 |
| States of Mexico | 0 | - | 4.96 | 176,218 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,789 |
| South American Physical Geography | 0 | - | 4.58 | 18,356 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,423 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,582 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,667 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,354 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,579 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,512 |
| Chile Country Quiz | 0 | - | 4.77 | 40,077 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,866 |
| Peru Country Quiz | 0 | - | 4.54 | 48,673 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,184 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,848 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,191 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,214 |
| Animals of Australia | 0 | - | 4.52 | 42,332 |
| Flags of North and South America | 0 | - | 4.99 | 373,309 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,149 |
| Which South American Country? | 0 | - | 4.69 | 51,952 |
| Belize Country Quiz | 0 | - | 4.85 | 20,982 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,389 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,838 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,620 |
| Guyana Country Quiz | 0 | - | 4.50 | 22,810 |
| Venezuela Country Quiz | 0 | - | 4.51 | 30,611 |
| Paraguay Country Quiz | 0 | - | 4.54 | 25,306 |
| Bolivia Country Quiz | 0 | - | 4.63 | 26,271 |
| Suriname Country Quiz | 0 | - | 4.61 | 19,823 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 902,456 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,962 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,276 |
| The Only American Country ... | 0 | - | 4.92 | 121,651 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,150 |
| South American Cities on the Map | 0 | - | 4.53 | 35,431 |
| US States Quiz | 0 | - | 5.00 | 16,882,805 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,150 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,768 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,104 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,529 |
| African Great Lakes | 0 | - | 4.82 | 66,286 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,758 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,077 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,216 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,451 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,524 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,959 |
| Central American Countries | 0 | - | 4.98 | 156,508 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,530 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,972 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,691 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,566 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,185 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,268 |
| Pixelated United States Map | 0 | - | 4.87 | 94,300 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,724 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,803 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,890 |
| Top 10 Non-English Languages Spoken in New York City | 0 | - | 4.85 | 66,256 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,829 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,932 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,469 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,482 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,065 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,351 |
| U.S. States By Population | 0 | - | 4.92 | 153,579 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,495 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,462 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,231 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,650 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,401 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,394 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,124 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,411 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,477 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,477 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,767 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,199 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,525 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,090 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,620 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,478 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,519 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,643 |
| US States with an Empty Map | 0 | - | 5.00 | 624,860 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,794 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,506 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,106 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,263 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,986 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,892 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,971 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,660 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,247 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,858 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,037 |
| African Physical Geography | 0 | - | 4.51 | 31,711 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,431 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,885 |
| Panama Country Quiz | 0 | - | 4.61 | 25,811 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,590 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,441 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,778 |
| Rivers of the United States | 0 | - | 4.93 | 66,225 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,030 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,682 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,693 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,121 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,921 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,698 |
| Asian Physical Geography | 0 | - | 4.61 | 35,533 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,348 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,562 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,680 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,884 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,588 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,284 |
| South America A-Z | 0 | - | 4.13 | 10,907 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,171 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,830 |
| Europe Map Quiz | 0 | - | 5.00 | 4,764,407 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,244 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,305 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,088 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,333 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,482 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,157 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,151 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,267 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,045 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,309 |
| Africa Map Quiz | 0 | - | 5.00 | 2,118,495 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,626 |
| Australian Capitals | 0 | - | 4.92 | 62,730 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,434 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,880 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,759 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,784 |
| History of Mexico | 0 | - | 4.58 | 15,311 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,837 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,303 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,535 |
| United States Map Quiz | 0 | - | 4.98 | 4,159,125 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,589 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 747,308 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,220 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,186 |
| United States Country Quiz | 0 | - | 4.43 | 101,553 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,899 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,548 |
| U.S. Federal Agency Acronyms | 0 | - | 4.50 | 79,991 |
| Top 10 Non-English Languages of Los Angeles | 0 | - | 4.42 | 59,901 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,355 |
| New England States | 0 | - | 4.51 | 59,815 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,827 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,015 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,834 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,021 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,940 |
| U.S. States by Borders | 0 | - | 4.61 | 35,329 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,488 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,052 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,232 |
| Canadian Prime Ministers | 0 | - | 4.63 | 57,553 |
| Canada Country Quiz | 0 | - | 4.55 | 132,514 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,233 |
| Canada A-Z | 0 | - | 4.73 | 32,843 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,177 |
| Official European Union Languages | 0 | - | 4.97 | 238,581 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,909 |
| European Physical Geography | 0 | - | 4.26 | 33,519 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,332 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,485 |
| Asia Map Quiz | 0 | - | 4.99 | 917,263 |
| South China Sea Countries | 0 | - | 4.78 | 57,712 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,781 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,993 |
| National Animals | 0 | - | 4.24 | 89,691 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,827 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,418 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,227 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,830 |
| Georgia ... or Georgia? | 0 | - | 4.67 | 76,795 |
| Countries of Africa | 0 | - | 5.00 | 2,538,458 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,992 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,688 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,879 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,060 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,623 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,290 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,299 |
| African East Coast | 0 | - | 4.96 | 96,104 |
