| Asian Geography By Letter - B | 0 | - | 4.85 | 65,989 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,319 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,530 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,072 |
| US States Quiz | 0 | - | 5.00 | 16,697,139 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,331 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,720 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,385 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,644 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,846 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,772 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,859 |
| States of Mexico | 0 | - | 4.95 | 173,307 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,229 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,897 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,340 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,313 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,308 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,994 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,380 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,591 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,355 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,599 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,328 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,445 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,831 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,338 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,823 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,383 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,885 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,822 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,692 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,205 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,868 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,659 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,618 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,012 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,386 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,156 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,558 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,066 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,292 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,585 |
| Pixelated United States Map | 0 | - | 4.89 | 93,460 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,709 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,337 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,386 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,634 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,883 |
| U.S. States By Population | 0 | - | 4.92 | 152,336 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,379 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,849 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,756 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,869 |
| US States with an Empty Map | 0 | - | 5.00 | 618,693 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,377 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,353 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,911 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,060 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,521 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,877 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,719 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,906 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,371 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,723 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,366 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,132 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,395 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,544 |
| Flags of North and South America | 0 | - | 4.99 | 367,007 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,078 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,799 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,687 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,556 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,913 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,171 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,332 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,412 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,542 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,031 |
| Countries that Start with D | 0 | - | 4.96 | 701,341 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,313 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,551 |
| Countries that Start with H | 0 | - | 4.96 | 597,796 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,107 |
| Countries that Start with J | 0 | - | 4.98 | 595,873 |
| Countries that Start with K | 0 | - | 4.97 | 809,268 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,698 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,563 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,380 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,278 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,090 |
| Countries that Start with U | 0 | - | 4.97 | 899,825 |
| Countries that Start with V | 0 | - | 4.98 | 604,992 |
| Countries that Start with F | 0 | - | 4.83 | 612,068 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,136 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,650 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,855 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,641 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,034 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,539 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,101 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,322 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,795 |
| The Only American Country ... | 0 | - | 4.92 | 120,739 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,915 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,201 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,519 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,886 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,261 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,475 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,153 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,911 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,288 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,692 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,988 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,507 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,496 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,005 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,502 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,492 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,152 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,191 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,444 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,791 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,265 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,646 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,068 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,820 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,893 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,377 |
| States of Brazil | 0 | - | 4.98 | 86,364 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,939 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,242 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,435 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,707 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,753 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,469 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,713 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,683 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,589 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,428 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,067 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,632 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,089 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,309 |
| Canada Country Quiz | 0 | - | 4.54 | 131,693 |
| United States Country Quiz | 0 | - | 4.43 | 100,562 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,889 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,185 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,054 |
| Asia Map Quiz | 0 | - | 4.99 | 906,863 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,075 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,595 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,647 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,597 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,137 |
| Canada A-Z | 0 | - | 4.73 | 32,645 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,370 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,659 |
| Random U.S. City to State | 0 | - | 4.45 | 75,310 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,059 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,115 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,277 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,829 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,966 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,313 |
| U.S. Geography by Letter - W | 0 | - | 3.83 | 22,856 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,194 |
| New England States | 0 | - | 4.51 | 59,707 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,471 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,882 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,306 |
| U.S. States by Borders | 0 | - | 4.63 | 35,066 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,231 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,130 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,986 |
| European Geography A-Z | 0 | - | 4.28 | 48,992 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,785 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,841 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,345 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,276 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,713 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,081 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,751 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,513 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,905 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,654 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,521 |
| Boroughs of New York City | 0 | - | 4.47 | 84,090 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,443 |
| NATO Countries | 0 | - | 4.98 | 275,637 |
| EU Countries Quiz | 0 | - | 4.99 | 269,854 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,938 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,854 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,195 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,011 |
