| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 192,514 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,482 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,635 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,825 |
| Vietnam War Countries | 0 | - | 4.83 | 93,586 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,381 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,435 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,827 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,533 |
| United States Map Quiz | 0 | - | 4.98 | 4,141,332 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,549 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,288 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,423 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,158 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,984 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,393 |
| US States Quiz | 0 | - | 5.00 | 16,695,813 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,881 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,951 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,814 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,965 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,815 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,315 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,717 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,849 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,822 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,868 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,937 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,668 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,220 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,368 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,324 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,894 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,054 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,010 |
| Random European Capital to Country | 0 | - | 4.98 | 189,170 |
| Random European Country to Capital | 0 | - | 4.92 | 147,424 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,347 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,378 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,516 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,875 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 174,520 |
| United States Country Quiz | 0 | - | 4.43 | 100,560 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,386 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,072 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,795 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| Pixelated United States Map | 0 | - | 4.89 | 93,452 |
| US States with an Empty Map | 0 | - | 5.00 | 618,648 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,699 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,687 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,332 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,377 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,678 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,627 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,874 |
| U.S. States By Population | 0 | - | 4.92 | 152,331 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,373 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,842 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,882 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,895 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,754 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,865 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,853 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,066 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,463 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,058 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,652 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,321 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,173 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,815 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,591 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,148 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,979 |
| Asia Map Quiz | 0 | - | 4.99 | 906,811 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,639 |
| U.S. State Flags | 0 | - | 4.89 | 166,994 |
| Hawaiian Islands | 0 | - | 4.83 | 42,424 |
| Rivers of the United States | 0 | - | 4.93 | 65,493 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,114 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,359 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,082 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,628 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,842 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,632 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,025 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,536 |
| The Jimmy Carter Presidency | 0 | - | 4.41 | 19,027 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,097 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,025 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,688 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,919 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,157 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,925 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,794 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,500 |
| The Only European Country ... | 0 | - | 4.91 | 213,754 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,073 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,484 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,190 |
| Arms Exports - United States | 0 | - | 4.70 | 54,335 |
| Countries of Africa | 0 | - | 5.00 | 2,507,031 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,068 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,228 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,337 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,679 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,779 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,439 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,903 |
| Australia Map Quiz | 0 | - | 4.94 | 342,430 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,266 |
| Random U.S. States on a Map | 0 | - | 4.96 | 621,244 |
| African East Coast | 0 | - | 4.96 | 95,019 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,012 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,930 |
| Top 10 U.S. States by Republican Party Support | 0 | - | 4.44 | 75,102 |
| Top 10 U.S. States by Democratic Party Support | 0 | - | 4.63 | 80,856 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,478 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,454 |
| First Names of U.S. Presidents | 0 | - | 4.85 | 379,507 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,105 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,334 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,983 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,370 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,753 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,986 |
| Official Cities in the UK | 0 | - | 4.89 | 280,454 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,710 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,457 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,327 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,679 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,778 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,587 |
| Europe Capital to Country | 0 | - | 4.99 | 247,574 |
| Asia Capital to Country | 0 | - | 4.96 | 125,723 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,418 |
| European Capitals by Map | 0 | - | 4.99 | 136,205 |
| African Capitals by Map | 0 | - | 4.99 | 132,121 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,146 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,788 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,640 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,109 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,395 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,087 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,157 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,162 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,584 |
| European Coastal Capitals | 0 | - | 4.95 | 89,720 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,174 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,714 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,732 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,411 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,689 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,422 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,753 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,527 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,173 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,264 |
| Countries of the Middle East | 0 | - | 4.96 | 198,862 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,227 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,333 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| Slavic Countries | 0 | - | 4.96 | 110,831 |
| African Island Countries | 0 | - | 4.96 | 100,762 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,350 |
| Monarchies of Europe | 0 | - | 4.90 | 97,293 |
| Monarchies of Asia | 0 | - | 4.97 | 70,589 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,488 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,426 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,390 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,683 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,461 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,061 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,718 |
| The Only African Country ... | 0 | - | 4.99 | 128,341 |
| The Only American Country ... | 0 | - | 4.92 | 120,732 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,771 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,588 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,686 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,738 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,141 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,146 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,264 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,545 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,240 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,213 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,492 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,240 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,026 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,343 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,005 |
| Countries That Border Russia | 0 | - | 4.98 | 458,840 |
| European Countries with One Border | 0 | - | 4.97 | 181,587 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,499 |
| Countries Bordering France | 0 | - | 4.83 | 398,750 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,974 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,077 |
