| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,587 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,689 |
| US States Quiz | 0 | - | 5.00 | 17,001,051 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,051 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,068 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,701 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,438 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,582 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,677 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,506 |
| 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 | 335,551 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,172 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,912 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,583 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,466 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,624 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,512 |
| 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 | 70,469 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,435 |
| 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 | 94,832 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,095 |
| 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 | 150,382 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,405 |
| U.S. States By Population | 0 | - | 4.92 | 154,171 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,252 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,910 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,881 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,548 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,116 |
| US States with an Empty Map | 0 | - | 5.00 | 628,851 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,676 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,211 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,046 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,454 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,719 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,342 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,256 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,707 |
| Flags of North and South America | 0 | - | 4.99 | 377,216 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,493 |
| 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 | 97,191 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,326 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,374 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,087 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,097 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,600 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,892 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,548 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,421 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,885 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,225 |
| The Only American Country ... | 0 | - | 4.92 | 122,231 |
| Belize Country Quiz | 0 | - | 4.85 | 21,095 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,902 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,136 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,126 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,946 |
| 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 | 89,758 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,894 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,976 |
| 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 | 160,106 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,069 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,718 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,475 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,250 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,943 |
| 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 | 131,458 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,679 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,616 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,287 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,016 |
| Canada Country Quiz | 0 | - | 4.55 | 133,069 |
| United States Country Quiz | 0 | - | 4.43 | 102,224 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,685 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,608 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,059 |
| Asia Map Quiz | 0 | - | 4.99 | 925,466 |
| 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 | 431,005 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,654,501 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,133 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,020 |
| Random U.S. City to State | 0 | - | 4.45 | 76,936 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,129 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,279 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,911 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,556 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,761 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,033 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 57,627 |
| 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 | 53,068 |
| 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 | 102,349 |
| 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 | 66,216 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,088 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,058 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,130 |
| Random Country to Capital | 0 | - | 4.98 | 928,558 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,610 |
| 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 | 106,881 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,125,441 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,697 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,308 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,531 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,998 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,741 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,201 |
| The Only European Country ... | 0 | - | 4.91 | 219,134 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,018 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,583 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,942 |
| Countries of Africa | 0 | - | 5.00 | 2,560,910 |
| Countries with Four Letters | 0 | - | 4.99 | 425,962 |
| 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 | 1,387,433 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,785 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,482 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,978 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,653 |
| Australia Map Quiz | 0 | - | 4.95 | 346,223 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,293 |
| 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 | 66,107 |
| 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 | 61,044 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,985 |
| 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 | 51,070 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,095 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,989 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,718 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,644 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,208 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,519 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,114 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| Europe Capital to Country | 0 | - | 4.99 | 252,185 |
| Asia Capital to Country | 0 | - | 4.96 | 127,535 |
| Capital Cities Chain | 0 | - | 4.84 | 83,406 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,034 |
| European Capitals by Map | 0 | - | 4.99 | 142,180 |
| African Capitals by Map | 0 | - | 4.99 | 142,282 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,855 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,961 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,914 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,217 |
| European Coastal Capitals | 0 | - | 4.95 | 91,341 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,205 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,815 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,847 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,184 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,600 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,444 |
