| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,587 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,688 |
| US States Quiz | 0 | - | 5.00 | 17,000,717 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,045 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,060 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,698 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,435 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,572 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,677 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,503 |
| States of Mexico | 0 | - | 4.96 | 178,335 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,705 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,537 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,167 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,912 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,579 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,464 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,622 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,508 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,827 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,533 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,193 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,468 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,434 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,662 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,739 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,364 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,099 |
| Pixelated United States Map | 0 | - | 4.88 | 94,831 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,094 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,300 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,333 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,381 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,404 |
| U.S. States By Population | 0 | - | 4.92 | 154,170 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,249 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,910 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,879 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,545 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,115 |
| US States with an Empty Map | 0 | - | 5.00 | 628,840 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,675 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,202 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,045 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,452 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,717 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,340 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,253 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,703 |
| Flags of North and South America | 0 | - | 4.99 | 377,206 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,487 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,406 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,056 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,187 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,326 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,368 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,076 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,095 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,597 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,889 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,543 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,419 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,883 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,224 |
| The Only American Country ... | 0 | - | 4.92 | 122,229 |
| Belize Country Quiz | 0 | - | 4.85 | 21,095 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,901 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,136 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,064 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,940 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,863 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,629 |
| States of Brazil | 0 | - | 4.97 | 89,756 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,890 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,971 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,173 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,579 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,105 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,066 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,715 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,472 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,244 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,940 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,851 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,225 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,456 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,679 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,615 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,280 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,016 |
| Canada Country Quiz | 0 | - | 4.55 | 133,069 |
| United States Country Quiz | 0 | - | 4.43 | 102,222 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,673 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,600 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,033 |
| Asia Map Quiz | 0 | - | 4.99 | 925,450 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,283 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,620 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,214 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,073 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,987 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,654,430 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,106 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,020 |
| Random U.S. City to State | 0 | - | 4.45 | 76,932 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,129 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,278 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,910 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,553 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,761 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,030 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 57,577 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,538 |
| New England States | 0 | - | 4.51 | 59,901 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,067 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,121 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,166 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,290 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,150 |
| U.S. States by Borders | 0 | - | 4.62 | 35,488 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,688 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,348 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,450 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,342 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,493 |
| Name a City - European Countries | 0 | - | 4.89 | 66,210 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,071 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,047 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,102 |
| Random Country to Capital | 0 | - | 4.98 | 928,540 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,609 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,170 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,884 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,800 |
| Boroughs of New York City | 0 | - | 4.47 | 85,340 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,875 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,125,396 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,691 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,305 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,529 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,983 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,739 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,197 |
| The Only European Country ... | 0 | - | 4.91 | 219,123 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,016 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,578 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,940 |
| Countries of Africa | 0 | - | 5.00 | 2,560,845 |
| Countries with Four Letters | 0 | - | 4.99 | 425,956 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,763 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,817 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,252 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,892 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,350 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,423 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,754 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,482 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,977 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,652 |
| Australia Map Quiz | 0 | - | 4.95 | 346,223 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,290 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,951 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,148 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,230 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,372 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,105 |
| African East Coast | 0 | - | 4.96 | 96,798 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,660 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,018 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,984 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,576 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,837 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,153 |
| O Canada Lyrics | 0 | - | 4.47 | 51,069 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,093 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,986 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,678 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,620 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,206 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,515 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,113 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| Europe Capital to Country | 0 | - | 4.99 | 252,181 |
| Asia Capital to Country | 0 | - | 4.96 | 127,514 |
| Capital Cities Chain | 0 | - | 4.84 | 83,405 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,031 |
| European Capitals by Map | 0 | - | 4.99 | 142,174 |
| African Capitals by Map | 0 | - | 4.99 | 142,281 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,854 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,955 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,913 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,214 |
| European Coastal Capitals | 0 | - | 4.95 | 91,339 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,204 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,814 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,844 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,183 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,600 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,444 |
