| Asian Geography By Letter - B | 0 | - | 4.85 | 65,937 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,274 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,509 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,056 |
| US States Quiz | 0 | - | 5.00 | 16,683,818 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,139 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,621 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,320 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,560 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,075 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,700 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,347 |
| States of Mexico | 0 | - | 4.95 | 173,121 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,111 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,640 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,315 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,276 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,279 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,966 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,355 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,574 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,325 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,575 |
| U.S. Geography By Letter - H | 0 | - | 4.38 | 39,296 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,333 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,753 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,269 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,782 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,326 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,837 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,773 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,644 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,166 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,795 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,627 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,590 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,994 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,352 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,118 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,528 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,025 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,252 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,558 |
| Pixelated United States Map | 0 | - | 4.89 | 93,378 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,616 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,258 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,309 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,528 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,800 |
| U.S. States By Population | 0 | - | 4.92 | 152,288 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,293 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,794 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,723 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,798 |
| US States with an Empty Map | 0 | - | 5.00 | 618,299 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,283 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,111 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,750 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,959 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,450 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,836 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,653 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,806 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,319 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,614 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,278 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 72,075 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,305 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,417 |
| Flags of North and South America | 0 | - | 4.99 | 366,004 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,005 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,777 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,887 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,579 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,480 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,816 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,903 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,246 |
| Countries that Start with A | 0 | - | 4.98 | 2,145,130 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,407 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,121 |
| Countries that Start with D | 0 | - | 4.96 | 700,736 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,568 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,757 |
| Countries that Start with H | 0 | - | 4.96 | 597,260 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,449 |
| Countries that Start with J | 0 | - | 4.98 | 595,336 |
| Countries that Start with K | 0 | - | 4.96 | 808,779 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,159 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,018 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,843 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,496 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,615 |
| Countries that Start with U | 0 | - | 4.97 | 899,457 |
| Countries that Start with V | 0 | - | 4.98 | 604,673 |
| Countries that Start with F | 0 | - | 4.83 | 611,631 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,511 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,501 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,796 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,571 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,576 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,965 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,517 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,051 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,277 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,604 |
| The Only American Country ... | 0 | - | 4.92 | 120,678 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,892 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,159 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,402 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,844 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,221 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,437 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,112 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,890 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,271 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,650 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,956 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,471 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,453 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,965 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,480 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,453 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,112 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,171 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,429 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,777 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,243 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,301 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,020 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,701 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,847 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,349 |
| States of Brazil | 0 | - | 4.98 | 86,245 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,817 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,158 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,382 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,627 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,656 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,353 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,676 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,622 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,553 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,341 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,461 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,047 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,438 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,054 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,280 |
| Canada Country Quiz | 0 | - | 4.54 | 131,648 |
| United States Country Quiz | 0 | - | 4.43 | 100,492 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,438,442 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,635 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,069 |
| Asia Map Quiz | 0 | - | 4.99 | 906,115 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,068 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,566 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,612 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,581 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,923 |
| Canada A-Z | 0 | - | 4.73 | 32,631 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,435 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,605 |
| Random U.S. City to State | 0 | - | 4.45 | 75,230 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,966 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,107 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,260 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,719 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,934 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,306 |
| U.S. Geography by Letter - W | 0 | - | 3.83 | 22,842 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,186 |
| New England States | 0 | - | 4.51 | 59,699 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,437 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,876 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,272 |
| U.S. States by Borders | 0 | - | 4.63 | 35,050 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,215 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,096 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,969 |
| European Geography A-Z | 0 | - | 4.28 | 48,967 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,762 |
| World Cities A-Z by Clue #1 | 0 | - | 4.61 | 65,120 |
| World Cities A-Z by Clue #2 | 0 | - | 4.43 | 56,714 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,271 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,652 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,561 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,011 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,469 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,885 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,634 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,494 |
| Boroughs of New York City | 0 | - | 4.47 | 84,067 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,107 |
| NATO Countries | 0 | - | 4.98 | 275,263 |
| EU Countries Quiz | 0 | - | 4.99 | 269,560 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,782 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,596 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,819 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,842 |
