| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,642 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,585 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,284 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,025 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,306 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,348 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,327 |
| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,447 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,355 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,779 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,448 |
| United States Map Quiz | 0 | - | 4.98 | 4,140,367 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,491 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,238 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,390 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,838 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,276 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,348 |
| US States Quiz | 0 | - | 5.00 | 16,687,074 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,971 |
| U.S. Senators by State | 0 | - | 4.44 | 39,737 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,795 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,880 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,742 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,932 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,785 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,182 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,636 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,395 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,804 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,477 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,690 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,893 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,147 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 189,684 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,305 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,153 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,777 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,981 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,197 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,978 |
| Random European Capital to Country | 0 | - | 4.98 | 189,108 |
| Random European Country to Capital | 0 | - | 4.92 | 147,370 |
| Random African Capital to Country | 0 | - | 4.97 | 99,690 |
| Random African Country to Capital | 0 | - | 4.94 | 70,166 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,463 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,841 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,464 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,469 |
| Countries of the German Empire | 0 | - | 4.51 | 37,636 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,555 |
| United States Country Quiz | 0 | - | 4.43 | 100,515 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,830 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,015 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,781 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,893 |
| Pixelated United States Map | 0 | - | 4.89 | 93,404 |
| US States with an Empty Map | 0 | - | 5.00 | 618,382 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,630 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,422 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,281 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,325 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,610 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,555 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,820 |
| U.S. States By Population | 0 | - | 4.92 | 152,292 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,311 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,807 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,855 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,836 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,730 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,817 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,809 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,047 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,426 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,041 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,629 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,254 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,125 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,399 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,743 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,603 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,785 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,322 |
| Asia Map Quiz | 0 | - | 4.99 | 906,316 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,611 |
| U.S. State Flags | 0 | - | 4.89 | 166,844 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,501 |
| Hawaiian Islands | 0 | - | 4.83 | 42,414 |
| Rivers of the United States | 0 | - | 4.93 | 65,450 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,968 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,254 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,070 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,521 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,807 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,584 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,579 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,971 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,519 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 39,188 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,711 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,187 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,901 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,129 |
| US States and State Capitals | 0 | - | 4.99 | 158,238 |
| New York City A-Z | 0 | - | 4.18 | 32,180 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,826 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,833 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,757 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,415 |
| The Only European Country ... | 0 | - | 4.91 | 213,611 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,953 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,397 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Arms Exports - United States | 0 | - | 4.70 | 54,302 |
| Countries of Europe After World War II | 0 | - | 4.99 | 186,611 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,261 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 168,651 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,566 |
| Countries of Africa | 0 | - | 5.00 | 2,505,746 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 70,950 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,202 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,322 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,343 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,743 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,375 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,847 |
| Australia Map Quiz | 0 | - | 4.94 | 342,330 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,156 |
| African East Coast | 0 | - | 4.96 | 94,971 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,516,948 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,067 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,834 |
| U.S. States by Church Attendance | 0 | - | 4.59 | 32,222 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,153 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,346 |
| California A-Z | 0 | - | 4.49 | 28,701 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,097 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,906 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,906 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,331 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,035 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,181 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,961 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,528 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,547 |
| Official Cities in the UK | 0 | - | 4.89 | 280,309 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,686 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,452 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,284 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,634 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,704 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,564 |
| Europe Capital to Country | 0 | - | 4.99 | 247,382 |
| Asia Capital to Country | 0 | - | 4.96 | 125,669 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,353 |
| European Capitals by Map | 0 | - | 4.99 | 136,068 |
| African Capitals by Map | 0 | - | 4.99 | 132,090 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,985 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,665 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,592 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,036 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,362 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,049 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,103 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,112 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,554 |
| European Coastal Capitals | 0 | - | 4.95 | 89,687 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,159 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,509 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,637 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,390 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,662 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,725 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,023 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,131 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,156 |
| Countries of the Middle East | 0 | - | 4.96 | 198,781 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,188 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,284 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,286 |
| Slavic Countries | 0 | - | 4.96 | 110,800 |
| African Island Countries | 0 | - | 4.96 | 100,700 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,320 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 71,702 |
| Monarchies of Europe | 0 | - | 4.90 | 97,250 |
| Monarchies of Asia | 0 | - | 4.97 | 70,557 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,468 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,230 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,402 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,193 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,887 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,623 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,407 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,981 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,642 |
| The Only African Country ... | 0 | - | 4.99 | 128,302 |
| The Only American Country ... | 0 | - | 4.92 | 120,691 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,751 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,535 |
