| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,792 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,442 |
| African Great Lakes | 0 | - | 4.82 | 65,100 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,062 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,774 |
| US States Quiz | 0 | - | 5.00 | 16,692,544 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,194 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,279 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,694 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,366 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,616 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,701 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,750 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,747 |
| States of Mexico | 0 | - | 4.95 | 173,252 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,798 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,362 |
| Countries with Fjords | 0 | - | 4.93 | 100,181 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,413 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,812 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,316 |
| Pixelated United States Map | 0 | - | 4.89 | 93,435 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,678 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,316 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,365 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,598 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,864 |
| U.S. States By Population | 0 | - | 4.92 | 152,322 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,353 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,832 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,742 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,855 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,349 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,281 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,857 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,036 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,500 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,871 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,363 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,500 |
| Flags of North and South America | 0 | - | 4.99 | 366,687 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,055 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,172 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,916 |
| US States with an Empty Map | 0 | - | 5.00 | 618,546 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,655 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,534 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,876 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,069 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,301 |
| Asian Physical Geography | 0 | - | 4.61 | 35,368 |
| Rivers of the United States | 0 | - | 4.93 | 65,480 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,597 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,833 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,616 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,007 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,530 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,279 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,734 |
| North Sea Countries | 0 | - | 4.92 | 86,588 |
| Black Sea Countries | 0 | - | 4.87 | 60,330 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,011 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,094 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| Countries With No Rivers | 0 | - | 4.96 | 76,012 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,944 |
| The Only American Country ... | 0 | - | 4.92 | 120,717 |
| Belize Country Quiz | 0 | - | 4.85 | 20,792 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,307 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,051 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,673 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,207 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,363 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,840 |
| States of Brazil | 0 | - | 4.98 | 86,312 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,902 |
| South American Physical Geography | 0 | - | 4.58 | 18,269 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,889 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,216 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,421 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,684 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,720 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,433 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,701 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,666 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,580 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,401 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,073 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,303 |
| Canada Country Quiz | 0 | - | 4.54 | 131,681 |
| United States Country Quiz | 0 | - | 4.43 | 100,539 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,586 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,636 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,589 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 52,967 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,100 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,646 |
| Random U.S. City to State | 0 | - | 4.45 | 75,285 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,330 |
| Megadiverse Countries | 0 | - | 4.97 | 133,867 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,741 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,035 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,111 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,270 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,792 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,715 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,958 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,330 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,009 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,722 |
| Asia Map Quiz | 0 | - | 4.99 | 906,632 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,310 |
| African Physical Geography | 0 | - | 4.51 | 31,564 |
| European Physical Geography | 0 | - | 4.26 | 33,372 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,058 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,526 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,071 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,193 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,468 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,299 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,617 |
| U.S. States by Borders | 0 | - | 4.63 | 35,058 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,225 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,118 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,981 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,915 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,522 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,886 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,579 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,289 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,463 |
| The Only European Country ... | 0 | - | 4.91 | 213,698 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,399 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,029 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,450 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,178 |
| Countries of Africa | 0 | - | 5.00 | 2,506,473 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,167 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,571 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,069 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,760 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,414 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,893 |
| Australia Map Quiz | 0 | - | 4.94 | 342,380 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,220 |
| African East Coast | 0 | - | 4.96 | 95,001 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,742 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,165 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,779 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 42,354 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,792 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,503 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,901 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,651 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,517 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,916 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Boroughs of New York City | 0 | - | 4.47 | 84,076 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,402 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,054 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,115 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,217 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,334 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,151 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,332 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,855 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,894 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,764 |
| South America Map Quiz | 0 | - | 5.00 | 1,540,861 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,926 |
| Largest United States Airlines | 0 | - | 4.39 | 54,829 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,684 |
| Counties of England | 0 | - | 4.97 | 788,875 |
| Seas of Europe | 0 | - | 4.37 | 83,811 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,563 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,367 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,005 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,225 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,389 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,270 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,021 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,761 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,386 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,662 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,409 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,649 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.45 | 50,888 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.49 | 38,361 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,262 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,467 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,270 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,407 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,070 |
