| Asian Geography By Letter - B | 0 | - | 4.85 | 65,994 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,324 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,530 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,074 |
| US States Quiz | 0 | - | 5.00 | 16,698,897 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,350 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,735 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,394 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,654 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,881 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,783 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,900 |
| States of Mexico | 0 | - | 4.95 | 173,322 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,242 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,921 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,342 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,313 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,310 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,997 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,384 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,597 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,357 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,602 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,336 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,453 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,839 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,345 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,825 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,389 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,889 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,827 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,696 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,209 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,872 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,663 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,619 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,015 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,392 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,159 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,561 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,070 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,297 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,587 |
| Pixelated United States Map | 0 | - | 4.89 | 93,466 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,720 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,348 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,399 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,658 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,894 |
| U.S. States By Population | 0 | - | 4.92 | 152,353 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,393 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,854 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,761 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,872 |
| US States with an Empty Map | 0 | - | 5.00 | 618,777 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,387 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,393 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,932 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,068 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,534 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,878 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,726 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,920 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,382 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,735 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,373 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,141 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,411 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,560 |
| Flags of North and South America | 0 | - | 4.99 | 367,125 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,086 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,802 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,926 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,699 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,575 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,924 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,215 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,342 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,542 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,643 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,116 |
| Countries that Start with D | 0 | - | 4.96 | 701,408 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,382 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,630 |
| Countries that Start with H | 0 | - | 4.96 | 597,857 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,157 |
| Countries that Start with J | 0 | - | 4.98 | 595,922 |
| Countries that Start with K | 0 | - | 4.97 | 809,304 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,749 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,621 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,428 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,353 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,126 |
| Countries that Start with U | 0 | - | 4.97 | 899,858 |
| Countries that Start with V | 0 | - | 4.98 | 605,034 |
| Countries that Start with F | 0 | - | 4.83 | 612,111 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,196 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,678 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,858 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,654 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,050 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,547 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,105 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,331 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,814 |
| The Only American Country ... | 0 | - | 4.92 | 120,750 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,918 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,205 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,551 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,890 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,265 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,481 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,155 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,912 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,290 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,694 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,992 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,512 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,498 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,010 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,503 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,495 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,158 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,192 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,446 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,792 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,265 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,956 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,079 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,827 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,901 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,380 |
| States of Brazil | 0 | - | 4.98 | 86,376 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,953 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,258 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,439 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,719 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,770 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,481 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,715 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,690 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,595 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,438 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,473 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,071 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,659 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,094 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,311 |
| Canada Country Quiz | 0 | - | 4.54 | 131,699 |
| United States Country Quiz | 0 | - | 4.43 | 100,574 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,440,295 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,256 |
| Africa Map Quiz | 0 | - | 5.00 | 2,104,179 |
| Asia Map Quiz | 0 | - | 4.99 | 906,942 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,075 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,603 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,652 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,598 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,176 |
| Canada A-Z | 0 | - | 4.73 | 32,646 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,503 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,663 |
| Random U.S. City to State | 0 | - | 4.45 | 75,317 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,063 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,117 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,279 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,848 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,971 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,314 |
| U.S. Geography by Letter - W | 0 | - | 3.83 | 22,858 |
| 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 | 52,473 |
| 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 | 82,311 |
| U.S. States by Borders | 0 | - | 4.63 | 35,068 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,236 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,135 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,986 |
| European Geography A-Z | 0 | - | 4.28 | 48,995 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,789 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,901 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,397 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,278 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,716 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,139 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,824 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,516 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,907 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,655 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,522 |
| Boroughs of New York City | 0 | - | 4.47 | 84,093 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,476 |
| NATO Countries | 0 | - | 4.98 | 275,677 |
| EU Countries Quiz | 0 | - | 4.99 | 269,883 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,960 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,893 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,241 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,017 |
