| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,537 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,590 |
| US States Quiz | 0 | - | 5.00 | 16,978,562 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,782 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,528 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,589 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,275 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,112 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,526 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,412 |
| States of Mexico | 0 | - | 4.96 | 177,961 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,460 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,997 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 43,774 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,859 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,420 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,357 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,583 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,008 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,789 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,476 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,138 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,424 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,394 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,642 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,709 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,348 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,076 |
| Pixelated United States Map | 0 | - | 4.88 | 94,742 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,950 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,170 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,189 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,232 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,234 |
| U.S. States By Population | 0 | - | 4.92 | 154,072 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,126 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,831 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,798 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,502 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,029 |
| US States with an Empty Map | 0 | - | 5.00 | 628,058 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,520 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,780 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,882 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,351 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,570 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,283 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,088 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,505 |
| Flags of North and South America | 0 | - | 4.99 | 376,382 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,375 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,360 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,975 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,929 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,194 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,052 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,521 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,692 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,374 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,771 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,385 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,126 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,741 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,175 |
| The Only American Country ... | 0 | - | 4.92 | 122,141 |
| Belize Country Quiz | 0 | - | 4.85 | 21,073 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,854 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,127 |
| Europe Map Quiz | 0 | - | 5.00 | 4,784,051 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,481 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,756 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,514 |
| States of Brazil | 0 | - | 4.97 | 89,483 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,688 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,690 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,110 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,421 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,974 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,926 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,348 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,377 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,033 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,838 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,562 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,713 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,166 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,296 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,662 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,582 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,177 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,957 |
| Canada Country Quiz | 0 | - | 4.55 | 132,970 |
| United States Country Quiz | 0 | - | 4.43 | 102,114 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,609 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,628 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,327 |
| Asia Map Quiz | 0 | - | 4.99 | 924,135 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,266 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,557 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,177 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,039 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,535 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,648,914 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,595 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,968 |
| Random U.S. City to State | 0 | - | 4.45 | 76,819 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,067 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,197 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,846 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,372 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,698 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,864 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 53,287 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,520 |
| New England States | 0 | - | 4.51 | 59,888 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,025 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,106 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,093 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,256 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,119 |
| U.S. States by Borders | 0 | - | 4.62 | 35,455 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,667 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,305 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,425 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,309 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,482 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,961 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,011 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,967 |
| Random Country to Capital | 0 | - | 4.98 | 926,902 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,556 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,121 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,850 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,774 |
| Boroughs of New York City | 0 | - | 4.47 | 84,920 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,530 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,112,178 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,958 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,709 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,022 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,730 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,406 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,920 |
| The Only European Country ... | 0 | - | 4.91 | 218,666 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,697 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,349 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,879 |
| Countries of Africa | 0 | - | 5.00 | 2,556,099 |
| Countries with Four Letters | 0 | - | 4.99 | 425,375 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,724 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,784 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,228 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,870 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,326 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,757 |
| United States Map Quiz | 0 | - | 4.98 | 4,169,579 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,368 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,825 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,502 |
| Australia Map Quiz | 0 | - | 4.95 | 345,990 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,986 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,919 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,086 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,174 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,358 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,051 |
| African East Coast | 0 | - | 4.96 | 96,665 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,607 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,318 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,970 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,564 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,832 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,110 |
| O Canada Lyrics | 0 | - | 4.47 | 51,052 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,811 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,623 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,805 |
| Flags of Asia Quiz | 0 | - | 4.99 | 619,152 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,664 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,361 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,938 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,505 |
| Europe Capital to Country | 0 | - | 4.99 | 251,852 |
| Asia Capital to Country | 0 | - | 4.96 | 127,306 |
| Capital Cities Chain | 0 | - | 4.84 | 83,276 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,817 |
| European Capitals by Map | 0 | - | 4.99 | 141,865 |
| African Capitals by Map | 0 | - | 4.99 | 141,890 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,758 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,813 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,761 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,089 |
| European Coastal Capitals | 0 | - | 4.95 | 91,216 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,133 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,250 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,559 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,118 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,482 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,433 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,836 |