| Asian Geography By Letter - B | 0 | - | 4.85 | 65,988 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,317 |
| 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 | 16,696,484 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,323 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,718 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,383 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,641 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,836 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,768 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,836 |
| States of Mexico | 0 | - | 4.95 | 173,301 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,225 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,883 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,340 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,311 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,306 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,990 |
| 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 | 40,354 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,597 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,325 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,442 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,828 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,336 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,823 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,379 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,881 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,818 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,687 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,202 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,866 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,655 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,614 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,011 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,384 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,155 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,558 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,065 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,291 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,581 |
| Pixelated United States Map | 0 | - | 4.89 | 93,456 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,703 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,333 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,382 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,631 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,879 |
| U.S. States By Population | 0 | - | 4.92 | 152,334 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,375 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,847 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,755 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,868 |
| US States with an Empty Map | 0 | - | 5.00 | 618,671 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,371 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,333 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,903 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,058 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,518 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,876 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,717 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,902 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,368 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,717 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,361 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,131 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,387 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,538 |
| Flags of North and South America | 0 | - | 4.99 | 366,972 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,074 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,798 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,924 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,685 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,551 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,901 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,154 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,328 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,369 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,495 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,989 |
| Countries that Start with D | 0 | - | 4.96 | 701,314 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,278 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,517 |
| Countries that Start with H | 0 | - | 4.96 | 597,774 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,082 |
| Countries that Start with J | 0 | - | 4.98 | 595,846 |
| Countries that Start with K | 0 | - | 4.97 | 809,243 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,673 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,542 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,360 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,252 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,067 |
| Countries that Start with U | 0 | - | 4.97 | 899,815 |
| Countries that Start with V | 0 | - | 4.98 | 604,983 |
| Countries that Start with F | 0 | - | 4.83 | 612,051 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,113 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,643 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,847 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,635 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,029 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,538 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,098 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,790 |
| The Only American Country ... | 0 | - | 4.92 | 120,734 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,915 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,198 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,504 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,883 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,256 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,473 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,149 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,909 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,288 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,690 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,988 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,506 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,495 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,004 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,499 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,490 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,152 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,189 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,442 |
| 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 | 4,730,503 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,065 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,817 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,892 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,376 |
| States of Brazil | 0 | - | 4.98 | 86,357 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,936 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,238 |
| 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 | 78,703 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,750 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,464 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,710 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,680 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,588 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,424 |
| 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 | 121,628 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,089 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,308 |
| Canada Country Quiz | 0 | - | 4.54 | 131,692 |
| United States Country Quiz | 0 | - | 4.43 | 100,561 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,698 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,164 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,021 |
| Asia Map Quiz | 0 | - | 4.99 | 906,837 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,074 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,594 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,646 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,596 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,127 |
| Canada A-Z | 0 | - | 4.73 | 32,645 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,329 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,658 |
| Random U.S. City to State | 0 | - | 4.45 | 75,306 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,055 |
| 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 | 207,821 |
| 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 | 82,304 |
| 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 | 101,128 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,983 |
| European Geography A-Z | 0 | - | 4.28 | 48,990 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,784 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,824 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,330 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,276 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,711 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,043 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,726 |
| 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 | 84,087 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,424 |
| NATO Countries | 0 | - | 4.98 | 275,622 |
| EU Countries Quiz | 0 | - | 4.99 | 269,833 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,931 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,845 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,183 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,006 |
