| Asian Geography By Letter - B | 0 | - | 4.85 | 65,958 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,290 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,515 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,065 |
| US States Quiz | 0 | - | 5.00 | 16,688,490 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,202 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,643 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,338 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,591 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,373 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,723 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,543 |
| States of Mexico | 0 | - | 4.95 | 173,199 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,150 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,704 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,324 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,293 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,288 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,975 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,367 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,577 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,336 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,584 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,310 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,366 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,789 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,288 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,799 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,340 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,842 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,777 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,650 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,176 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,815 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,634 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,597 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,000 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,368 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,135 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,543 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,044 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,264 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,566 |
| Pixelated United States Map | 0 | - | 4.89 | 93,415 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,643 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,287 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,335 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,559 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,822 |
| U.S. States By Population | 0 | - | 4.92 | 152,295 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,319 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,814 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,730 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,823 |
| US States with an Empty Map | 0 | - | 5.00 | 618,431 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,313 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,184 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,799 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,991 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,468 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,849 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,677 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,840 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,338 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,652 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,302 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,096 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,333 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,460 |
| Flags of North and South America | 0 | - | 4.99 | 366,408 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,026 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,782 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,900 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,617 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,504 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,844 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,009 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,264 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,611 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,816 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,456 |
| Countries that Start with D | 0 | - | 4.96 | 700,956 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,827 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,048 |
| Countries that Start with H | 0 | - | 4.96 | 597,459 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,703 |
| Countries that Start with J | 0 | - | 4.98 | 595,523 |
| Countries that Start with K | 0 | - | 4.96 | 808,954 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,355 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,213 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,041 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,782 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,782 |
| Countries that Start with U | 0 | - | 4.97 | 899,609 |
| Countries that Start with V | 0 | - | 4.98 | 604,796 |
| Countries that Start with F | 0 | - | 4.83 | 611,794 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,742 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,541 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,816 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,592 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,581 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,978 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,523 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,069 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,295 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,667 |
| The Only American Country ... | 0 | - | 4.92 | 120,698 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,900 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,164 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,405 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,851 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,227 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,444 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,121 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,895 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,274 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,667 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,969 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,488 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,472 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,982 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,485 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,471 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,126 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,179 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,432 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,783 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,250 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,086 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,035 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,751 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,865 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,357 |
| States of Brazil | 0 | - | 4.98 | 86,288 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,867 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,188 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,405 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,649 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,692 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,391 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,690 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,644 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,568 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,360 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,464 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,057 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,523 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,060 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,289 |
| Canada Country Quiz | 0 | - | 4.54 | 131,664 |
| United States Country Quiz | 0 | - | 4.43 | 100,523 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,054 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,825 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,427 |
| Asia Map Quiz | 0 | - | 4.99 | 906,410 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,573 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,626 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,586 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,993 |
| Canada A-Z | 0 | - | 4.73 | 32,636 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,793 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,630 |
| Random U.S. City to State | 0 | - | 4.45 | 75,261 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,011 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,109 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,262 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,762 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,951 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,307 |
| U.S. Geography by Letter - W | 0 | - | 3.83 | 22,848 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,187 |
| New England States | 0 | - | 4.51 | 59,701 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,454 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,878 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,289 |
| U.S. States by Borders | 0 | - | 4.63 | 35,054 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,219 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,106 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,973 |
| European Geography A-Z | 0 | - | 4.28 | 48,976 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,768 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,469 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 57,003 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,274 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,671 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,765 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,257 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,485 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,892 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,639 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,502 |
| Boroughs of New York City | 0 | - | 4.47 | 84,070 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,222 |
| NATO Countries | 0 | - | 4.98 | 275,410 |
| EU Countries Quiz | 0 | - | 4.99 | 269,665 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,843 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,701 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,956 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,915 |
