| Asian Geography By Letter - B | 0 | - | 4.85 | 65,983 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,313 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,527 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,072 |
| US States Quiz | 0 | - | 5.00 | 16,695,192 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,309 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,715 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,380 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,630 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,816 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,764 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,811 |
| States of Mexico | 0 | - | 4.95 | 173,292 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,215 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,856 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,339 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,310 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,304 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,988 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,378 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,589 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,350 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,593 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,323 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,433 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,825 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,331 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,821 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,371 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,874 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,808 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,680 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,196 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,854 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,652 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,610 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,010 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,383 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,152 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,556 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,063 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,283 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,578 |
| Pixelated United States Map | 0 | - | 4.89 | 93,445 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,696 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,330 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,376 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,621 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,871 |
| U.S. States By Population | 0 | - | 4.92 | 152,330 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,368 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,839 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,751 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,862 |
| US States with an Empty Map | 0 | - | 5.00 | 618,622 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,365 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,319 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,886 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,053 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,514 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,875 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 152,710 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,892 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,363 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,706 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,350 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,125 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,378 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,529 |
| Flags of North and South America | 0 | - | 4.99 | 366,877 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,072 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,795 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,923 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,675 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,545 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,892 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,130 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,320 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,259 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,384 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,909 |
| Countries that Start with D | 0 | - | 4.96 | 701,267 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,207 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,442 |
| Countries that Start with H | 0 | - | 4.96 | 597,723 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,030 |
| Countries that Start with J | 0 | - | 4.98 | 595,804 |
| Countries that Start with K | 0 | - | 4.97 | 809,205 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,638 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,495 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,317 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,181 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,020 |
| Countries that Start with U | 0 | - | 4.97 | 899,785 |
| Countries that Start with V | 0 | - | 4.98 | 604,953 |
| Countries that Start with F | 0 | - | 4.83 | 612,015 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,064 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,621 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,841 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,630 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,595 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,022 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,535 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,094 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,316 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,775 |
| The Only American Country ... | 0 | - | 4.92 | 120,728 |
| Asian Geography By Letter - S | 0 | - | 4.18 | 55,913 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,188 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,473 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,877 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,252 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,468 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,142 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,905 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,286 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,686 |
| Asian Geography by Letter - G | 0 | - | 4.35 | 50,986 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 67,503 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,492 |
| Asian Geography by Letter - N | 0 | - | 4.33 | 50,001 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,496 |
| Asian Geography By Letter - J | 0 | - | 4.25 | 34,486 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,148 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,188 |
| 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 | 4,730,290 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,060 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,810 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,889 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,372 |
| States of Brazil | 0 | - | 4.98 | 86,348 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,914 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,235 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,428 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,700 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,745 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,446 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,710 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,678 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,586 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,413 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,066 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,612 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,086 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,308 |
| Canada Country Quiz | 0 | - | 4.54 | 131,689 |
| United States Country Quiz | 0 | - | 4.43 | 100,559 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,480 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,126 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,884 |
| Asia Map Quiz | 0 | - | 4.99 | 906,768 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,074 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,590 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,644 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,594 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,103 |
| Canada A-Z | 0 | - | 4.73 | 32,644 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,271 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,656 |
| Random U.S. City to State | 0 | - | 4.45 | 75,302 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,045 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,115 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,276 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,809 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,964 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,313 |
| U.S. Geography by Letter - W | 0 | - | 3.83 | 22,855 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,193 |
| New England States | 0 | - | 4.51 | 59,704 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,469 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,881 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,302 |
| U.S. States by Borders | 0 | - | 4.63 | 35,065 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,229 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,127 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,982 |
| European Geography A-Z | 0 | - | 4.28 | 48,987 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,781 |
| World Cities A-Z by Clue #1 | 0 | - | 4.55 | 65,773 |
| World Cities A-Z by Clue #2 | 0 | - | 4.45 | 57,287 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,276 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,705 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,000 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,648 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,512 |
| 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 | 34,519 |
| Boroughs of New York City | 0 | - | 4.47 | 84,083 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,395 |
| NATO Countries | 0 | - | 4.98 | 275,574 |
| EU Countries Quiz | 0 | - | 4.99 | 269,801 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,919 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,825 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,148 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,996 |
