| Southernmost Countries A-Z | 0 | - | 4.94 | 152,689 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 193,862 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 169,349 |
| Biggest Countries by Area A-Z | 0 | - | 4.95 | 190,673 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 299,321 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,110 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,078 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,721 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,973 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,299 |
| US States Quiz | 0 | - | 5.00 | 16,691,944 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,259 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,687 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,358 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,612 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,643 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,785 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,873 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,748 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,721 |
| States of Mexico | 0 | - | 4.95 | 173,244 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,189 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,780 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,523 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,070 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,403 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,808 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,312 |
| Pixelated United States Map | 0 | - | 4.89 | 93,433 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,675 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,309 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,363 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,593 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,861 |
| U.S. States By Population | 0 | - | 4.92 | 152,319 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,347 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,830 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,740 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,851 |
| US States with an Empty Map | 0 | - | 5.00 | 618,528 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,341 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,268 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,847 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,028 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,496 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,867 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,358 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,495 |
| Flags of North and South America | 0 | - | 4.99 | 366,633 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,046 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,789 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,911 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,645 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,530 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,871 |
| Canada A-Z | 0 | - | 4.73 | 32,640 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,061 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,293 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,924 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,099 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,697 |
| Countries that Start with D | 0 | - | 4.96 | 701,119 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,998 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,227 |
| Countries that Start with H | 0 | - | 4.96 | 597,584 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,865 |
| Countries that Start with J | 0 | - | 4.98 | 595,654 |
| Countries that Start with K | 0 | - | 4.96 | 809,073 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,492 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,351 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,189 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,001 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,924 |
| Countries that Start with U | 0 | - | 4.97 | 899,705 |
| Countries that Start with V | 0 | - | 4.98 | 604,871 |
| Countries that Start with F | 0 | - | 4.83 | 611,896 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,891 |
| U.S. Geography by Letter - C | 0 | - | 4.26 | 73,332 |
| U.S. Geography by Letter - A | 0 | - | 4.38 | 62,302 |
| U.S. Geography by Letter - D | 0 | - | 4.08 | 56,299 |
| U.S. Geography by Letter - T | 0 | - | 4.27 | 48,985 |
| U.S. Geography by Letter - P | 0 | - | 4.34 | 47,373 |
| U.S. Geography by Letter - M | 0 | - | 4.13 | 52,586 |
| U.S. Geography by Letter - L | 0 | - | 4.03 | 40,343 |
| U.S. Geography by Letter - G | 0 | - | 4.12 | 38,590 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 39,317 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,588 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,830 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,611 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,590 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,001 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,528 |
| European Geography A-Z | 0 | - | 4.28 | 48,982 |
| World Cities A-Z by Clue #1 | 0 | - | 4.54 | 65,624 |
| World Cities A-Z by Clue #2 | 0 | - | 4.44 | 57,148 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,304 |
| The Only American Country ... | 0 | - | 4.92 | 120,714 |
| Belize Country Quiz | 0 | - | 4.85 | 20,792 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,138 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,734 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,815 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,349 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,853 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,782 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,660 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,183 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,830 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,638 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,601 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,004 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,377 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,147 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,552 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,056 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,272 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,570 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,695 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,047 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,362 |
| States of Brazil | 0 | - | 4.98 | 86,310 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,900 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,211 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,417 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,676 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,713 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,426 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,700 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,662 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,579 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,390 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,468 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,059 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,559 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,072 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,302 |
| Canada Country Quiz | 0 | - | 4.54 | 131,677 |
| United States Country Quiz | 0 | - | 4.43 | 100,536 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,313 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,981 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,684 |
| Asia Map Quiz | 0 | - | 4.99 | 906,605 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,072 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,583 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,520 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,636 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,589 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,046 |
| U.S. Geography by Letter - N | 0 | - | 3.79 | 52,142 |
| U.S. Geography by Letter - E | 0 | - | 3.73 | 48,184 |
| U.S. Geography by Letter - F | 0 | - | 3.86 | 44,439 |
| U.S. Geography by Letter - O | 0 | - | 3.43 | 33,789 |
| U.S. Geography by Letter - R | 0 | - | 4.15 | 30,257 |
| African Geography A-Z | 0 | - | 4.33 | 21,414 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,049 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,640 |
| Random U.S. City to State | 0 | - | 4.45 | 75,280 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,169 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,032 |
| Most-Visited Countries by Canadians | 0 | - | 4.77 | 39,111 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,269 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 207,788 |
| Mexico Country Quiz | 0 | - | 4.49 | 71,957 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,309 |
| 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 | 52,468 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,880 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,297 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,615 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,654 |
| U.S. States by Borders | 0 | - | 4.63 | 35,058 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,223 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,114 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 43,977 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,778 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,686 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,906 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,483 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,645 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,502 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,899 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,650 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,515 |
| Boroughs of New York City | 0 | - | 4.47 | 84,075 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,312 |
| NATO Countries | 0 | - | 4.98 | 275,499 |
| EU Countries Quiz | 0 | - | 4.99 | 269,731 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,879 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,765 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,058 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,959 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 111,479 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 110,875 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,778 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,455 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,685 |
| The Only European Country ... | 0 | - | 4.91 | 213,691 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 113,409 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,015 |
