| Asian Geography By Letter - B | 0 | - | 4.83 | 62,087 |
| The Americas Geography by Letter - B | 0 | - | 4.51 | 49,047 |
| The Americas Geography by Letter - S | 0 | - | 4.56 | 41,668 |
| US States Quiz | 0 | - | 5.00 | 14,888,847 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,092 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,481 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,264 |
| Mexico States Map Quiz | 0 | - | 4.84 | 91,381 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 55,378 |
| States of Mexico | 0 | - | 4.94 | 143,524 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.97 | 341,829 |
| The Americas Geography by Letter - C | 0 | - | 4.28 | 54,809 |
| The Americas Geography by Letter - A | 0 | - | 4.29 | 41,919 |
| The Americas Geography by Letter - T | 0 | - | 4.23 | 38,618 |
| The Americas Geography by Letter - P | 0 | - | 4.36 | 36,374 |
| The Americas Geography by Letter - M | 0 | - | 4.40 | 36,388 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,439 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,603 |
| Countries Closest to Canada | 0 | - | 4.90 | 185,426 |
| Asian Geography By Letter - A | 0 | - | 4.65 | 67,640 |
| European Geography By Letter - A | 0 | - | 4.55 | 125,143 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,153 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,518 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,110 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,669 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,048 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,194 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,022 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,879 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 62,029 |
| Asian Geography By Letter - M | 0 | - | 4.46 | 58,483 |
| Asian Geography by Letter - P | 0 | - | 4.43 | 54,290 |
| Asian Geography by Letter - T | 0 | - | 4.48 | 46,591 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,336 |
| The 13 Colonies Quiz | 0 | - | 4.96 | 101,256 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 97,025 |
| 10 Southernmost U.S. States | 0 | - | 4.85 | 100,118 |
| U.S. States with Short Names | 0 | - | 4.87 | 131,146 |
| U.S. States that Start with M | 0 | - | 4.91 | 151,707 |
| U.S. States By Population | 0 | - | 4.90 | 130,880 |
| U.S. States that Start with N | 0 | - | 4.95 | 156,376 |
| U.S. States with Longest Names | 0 | - | 4.85 | 36,449 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 58,731 |
| The Only Remaining U.S. State . . . | 0 | - | 4.94 | 56,648 |
| Canada or Africa by Area | 0 | - | 4.81 | 14,075 |
| US States with an Empty Map | 0 | - | 5.00 | 559,215 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,087 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,043 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 92,171 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,111 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,411 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,685 |
| Southernmost Countries A-Z | 0 | - | 4.94 | 140,342 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 182,428 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 162,624 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 177,556 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 287,870 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.82 | 66,163 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 125,526 |
| Countries that Beat the United States | 0 | - | 4.92 | 147,099 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 90,295 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 278,545 |
| 10 Longest Rivers in the United States | 0 | - | 4.82 | 35,260 |
| U.S. States with the Longest International Borders | 0 | - | 4.75 | 41,717 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 73,833 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 72,169 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 116,745 |
| South America Capitals Quiz | 0 | - | 5.00 | 429,389 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 127,032 |
| Countries that Start with A | 0 | - | 4.98 | 1,961,254 |
| Countries that Start with B | 0 | - | 4.95 | 2,100,287 |
| Countries that Start with C | 0 | - | 4.96 | 1,661,681 |
| Countries that Start with D | 0 | - | 4.96 | 602,806 |
| Countries that Start with E | 0 | - | 4.95 | 1,243,998 |
| Countries that Start with G | 0 | - | 4.97 | 1,363,659 |
| Countries that Start with H | 0 | - | 4.96 | 514,175 |
| Countries that Start with I | 0 | - | 4.92 | 1,172,877 |
| Countries that Start with J | 0 | - | 4.98 | 516,884 |
| Countries that Start with K | 0 | - | 4.96 | 721,893 |
| Countries that Start with L | 0 | - | 4.98 | 981,527 |
| Countries that Start with N | 0 | - | 4.93 | 1,007,703 |
| Countries that Start with P | 0 | - | 4.95 | 1,110,338 |
| Countries that Start with S | 0 | - | 4.98 | 1,617,154 |
| Countries that Start with T | 0 | - | 4.89 | 918,961 |
| Countries that Start with U | 0 | - | 4.96 | 828,799 |
| Countries that Start with V | 0 | - | 4.98 | 555,047 |
| Countries that Start with F | 0 | - | 4.83 | 544,192 |
| Countries that Start with M | 0 | - | 4.97 | 1,264,410 |
| Hawaiian Islands Map Quiz | 0 | - | 4.88 | 21,162 |
| Top 10 Coldest U.S. States | 0 | - | 4.91 | 101,158 |
| Top 10 Hottest U.S. States | 0 | - | 4.83 | 101,677 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,160 |
| Top 10 Most Native American U.S. States | 0 | - | 4.84 | 71,982 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 57,316 |
| Capitals A-Z | 0 | - | 4.85 | 42,061 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,605 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 215,403 |
| The Only American Country ... | 0 | - | 4.94 | 110,643 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,251 |
| Asian Geography By Letter - S | 0 | - | 4.20 | 53,774 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,006 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,734 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,361 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,573 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,204 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,891 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,100 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,945 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,562 |
| Asian Geography by Letter - D | 0 | - | 4.25 | 49,056 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 48,519 |
| Asian Geography by Letter - I | 0 | - | 4.36 | 64,131 |
| Asian Geography by Letter - C | 0 | - | 4.31 | 61,573 |
| Asian Geography by Letter - N | 0 | - | 4.31 | 47,121 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,233 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,073 |
| The Americas Geography by Letter - D | 0 | - | 3.97 | 39,110 |
| The Americas Geography by Letter - N | 0 | - | 3.61 | 37,494 |
| The Americas Geography by Letter - E | 0 | - | 3.59 | 32,762 |
| The Americas Geography By Letter - H | 0 | - | 4.21 | 21,661 |
| Europe Map Quiz | 0 | - | 5.00 | 4,327,479 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,237 |
| Richest Countries A-Z | 0 | - | 4.92 | 89,248 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 109,716 |
| Brazil States Map Quiz | 0 | - | 4.83 | 40,266 |
| States of Brazil | 0 | - | 4.97 | 69,967 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 142,123 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,313 |
| 500 Biggest US Cities | 0 | - | 4.88 | 99,719 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,135 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,822 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,039 |
| Countries with American Expatriates | 0 | - | 4.58 | 41,064 |
| Top 10 American Countries by Coastline | 0 | - | 4.95 | 83,700 |
| One Country By Letter By Continent | 0 | - | 5.00 | 73,785 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 68,984 |
| Colombia Country Quiz | 0 | - | 4.89 | 35,475 |
| Canada Country Quiz | 0 | - | 4.54 | 122,188 |
| United States Country Quiz | 0 | - | 4.44 | 90,101 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,351,547 |
| Oceania Map Quiz | 0 | - | 4.98 | 572,772 |
| Africa Map Quiz | 0 | - | 5.00 | 1,952,111 |
| Asia Map Quiz | 0 | - | 4.99 | 794,344 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 38,479 |
| Canada Cities Map Quiz | 0 | - | 4.55 | 109,980 |
| Busiest Air Routes from the U.S. | 0 | - | 4.47 | 72,863 |
| U.S. National Parks Quiz | 0 | - | 4.78 | 47,292 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 389,909 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,539,299 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 131,096 |
| Random U.S. City to State | 0 | - | 4.44 | 66,247 |
| Countries Bordering Brazil | 0 | - | 4.96 | 124,470 |
| Most-Visited Countries by Canadians | 0 | - | 4.79 | 37,991 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 45,553 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 199,415 |
| Mexico Country Quiz | 0 | - | 4.48 | 66,897 |
| 10 Closest Megacities to New York City | 0 | - | 4.51 | 64,497 |
| New England States | 0 | - | 4.52 | 52,512 |
| US States by Land Area | 0 | - | 4.54 | 48,765 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 36,331 |
| Add a Letter - Make a U.S. State | 0 | - | 4.75 | 76,976 |
| 10 Easternmost U.S. States | 0 | - | 4.54 | 53,209 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 82,963 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.47 | 40,739 |
| European Geography A-Z | 0 | - | 4.36 | 45,706 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,249 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,802 |
| World Cities A-Z #1 | 0 | - | 4.54 | 59,141 |
| World Cities A-Z #2 | 0 | - | 4.46 | 51,784 |
| Cities Founded by the French in North America | 0 | - | 4.52 | 38,728 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,954 |
| Africa Capitals Quiz | 0 | - | 4.99 | 642,256 |
| Asia Capitals Quiz | 0 | - | 4.98 | 600,793 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 107,107 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,354 |
| Boroughs of New York City | 0 | - | 4.45 | 77,636 |
| NATO Countries Quiz | 0 | - | 4.98 | 227,736 |
| EU Countries Quiz | 0 | - | 4.99 | 229,954 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,841 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 227,775 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 229,112 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,324 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.91 | 82,321 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,193 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 126,689 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,509 |
| The Only European Country ... | 0 | - | 4.93 | 181,227 |
| Countries where the Sea Freezes | 0 | - | 4.91 | 81,870 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,428 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.89 | 58,377 |
| Largest Countries Without Deserts | 0 | - | 4.86 | 66,809 |
| Countries with NO Military | 0 | - | 4.97 | 50,315 |
| Monarchies of the World | 0 | - | 4.93 | 153,793 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,287 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,055 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 109,890 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 66,660 |
| Countries of Africa | 0 | - | 5.00 | 2,195,748 |
| Cuba Country Quiz | 0 | - | 4.70 | 47,439 |
| Jamaica Country Quiz | 0 | - | 4.59 | 32,357 |
