| Asian Geography By Letter - B | 0 | - | 4.85 | 65,923 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,257 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,492 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,048 |
| US States Quiz | 0 | - | 5.00 | 16,676,596 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,566 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,287 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,499 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,912 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,664 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,319 |
| States of Mexico | 0 | - | 4.95 | 172,999 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,034 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,494 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,297 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,260 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,261 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,956 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,339 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,561 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,312 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,564 |
| U.S. Geography By Letter - H | 0 | - | 4.38 | 39,278 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,262 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,701 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,220 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,765 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,297 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 110,810 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,757 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,624 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,154 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,761 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,613 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,577 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,984 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,341 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,107 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,514 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,020 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,228 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,546 |
| Pixelated United States Map | 0 | - | 4.89 | 93,272 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,194 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,254 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,467 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,731 |
| U.S. States By Population | 0 | - | 4.92 | 152,242 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,230 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,763 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,699 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,777 |
| US States with an Empty Map | 0 | - | 5.00 | 618,043 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,212 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,966 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,675 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,629 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,756 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,296 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,549 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,233 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 72,041 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,257 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,365 |
| Flags of North and South America | 0 | - | 4.99 | 365,315 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,952 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,754 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,853 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,521 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,439 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,768 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,734 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,432 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,828 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,617 |
| Countries that Start with D | 0 | - | 4.96 | 700,418 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,171 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,350 |
| Countries that Start with H | 0 | - | 4.96 | 596,979 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,099 |
| Countries that Start with J | 0 | - | 4.98 | 595,050 |
| Countries that Start with K | 0 | - | 4.96 | 808,542 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,842 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,693 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,538 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,080 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,368 |
| Countries that Start with U | 0 | - | 4.97 | 898,973 |
| Countries that Start with V | 0 | - | 4.98 | 604,478 |
| Countries that Start with F | 0 | - | 4.83 | 611,406 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,140 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,417 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,773 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,541 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 90,924 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,504 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,026 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,242 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,546 |
| The Only American Country ... | 0 | - | 4.92 | 120,644 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,886 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,146 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,386 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,834 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,201 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,427 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,098 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,879 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,260 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,643 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,949 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,460 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,445 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 49,960 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,470 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,443 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,092 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,161 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,419 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,773 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,233 |
| Europe Map Quiz | 0 | - | 5.00 | 4,726,886 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,992 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,646 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,831 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,310 |
| States of Brazil | 0 | - | 4.98 | 86,177 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,755 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,119 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,353 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,595 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,610 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,287 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,660 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,584 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,452 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,037 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,330 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,036 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,266 |
| Canada Country Quiz | 0 | - | 4.54 | 131,619 |
| United States Country Quiz | 0 | - | 4.43 | 100,453 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,436,912 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,355 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,544 |
| Asia Map Quiz | 0 | - | 4.99 | 905,600 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,059 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,550 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,589 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,569 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,794 |
| Canada A-Z | 0 | - | 4.73 | 32,621 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,951 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Countries Bordering Brazil | 0 | - | 4.96 | 130,880 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,105 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,247 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,649 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,919 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,300 |
| U.S. Geography by Letter - W | 0 | - | 3.83 | 22,837 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,177 |
| New England States | 0 | - | 4.51 | 59,695 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,413 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,872 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,251 |
| U.S. States by Borders | 0 | - | 4.63 | 35,042 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,206 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,079 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,961 |
| European Geography A-Z | 0 | - | 4.28 | 48,947 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,744 |
| World Cities A-Z by Clue #1 | 0 | - | 4.61 | 63,683 |
| World Cities A-Z by Clue #2 | 0 | - | 4.43 | 55,519 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,259 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,630 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,284 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,730 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,449 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,883 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| Boroughs of New York City | 0 | - | 4.47 | 84,052 |
| Majority Muslim Countries | 0 | - | 4.98 | 367,959 |
| NATO Countries | 0 | - | 4.98 | 275,047 |
| EU Countries Quiz | 0 | - | 4.99 | 269,384 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,698 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,424 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,608 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,743 |
