| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,207 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,784 |
| African Great Lakes | 0 | - | 4.82 | 66,338 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,444 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,549 |
| US States Quiz | 0 | - | 5.00 | 16,897,600 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,294 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,044 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,903 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,187 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,764 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,470 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,890 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,032 |
| States of Mexico | 0 | - | 4.96 | 176,459 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,658 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,872 |
| Countries with Fjords | 0 | - | 4.94 | 100,976 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,834 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,890 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,429 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,473 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,611 |
| Pixelated United States Map | 0 | - | 4.87 | 94,371 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,033 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,571 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,561 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,170 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,469 |
| U.S. States By Population | 0 | - | 4.92 | 153,653 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,590 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,525 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,266 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,712 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,840 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,073 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,171 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,903 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,244 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,159 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,576 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,661 |
| Flags of North and South America | 0 | - | 4.99 | 373,769 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,862 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,223 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,554 |
| US States with an Empty Map | 0 | - | 5.00 | 625,351 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,230 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,736 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,358 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,004 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,749 |
| African Physical Geography | 0 | - | 4.51 | 31,723 |
| Asian Physical Geography | 0 | - | 4.61 | 35,545 |
| Rivers of the United States | 0 | - | 4.93 | 66,262 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,228 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,797 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,789 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,930 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,220 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,949 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,704 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,046 |
| North Sea Countries | 0 | - | 4.92 | 87,446 |
| Black Sea Countries | 0 | - | 4.87 | 60,634 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,418 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,519 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,208 |
| Countries With No Rivers | 0 | - | 4.96 | 76,871 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,260 |
| The Only American Country ... | 0 | - | 4.92 | 121,723 |
| Belize Country Quiz | 0 | - | 4.85 | 21,003 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,578 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,284 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,599 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,757 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,190 |
| Europe Map Quiz | 0 | - | 5.00 | 4,767,198 |
| States of Brazil | 0 | - | 4.97 | 88,344 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,049 |
| South American Physical Geography | 0 | - | 4.58 | 18,359 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,098 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,863 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,448 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,436 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,561 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,949 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,275 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,392 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,383 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,724 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,985 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,619 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,597 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,234 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,769 |
| Canada Country Quiz | 0 | - | 4.54 | 132,584 |
| United States Country Quiz | 0 | - | 4.43 | 101,623 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,197 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,277 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,028 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,911 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,293 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,412 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,455 |
| Random U.S. City to State | 0 | - | 4.45 | 76,375 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,810 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,532 |
| Megadiverse Countries | 0 | - | 4.96 | 134,955 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,115 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,649 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,630 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 209,651 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,848 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,488 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,037 |
| Oceania Map Quiz | 0 | - | 4.98 | 643,214 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,973 |
| Asia Map Quiz | 0 | - | 4.99 | 918,061 |
| European Physical Geography | 0 | - | 4.26 | 33,525 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,598 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,471 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,907 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,372 |
| New England States | 0 | - | 4.51 | 59,823 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,854 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,023 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,870 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,056 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,968 |
| U.S. States by Borders | 0 | - | 4.61 | 35,350 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,511 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,105 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,251 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,761 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,952 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,307 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,915 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,244 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,982 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,470 |
| The Only European Country ... | 0 | - | 4.91 | 217,042 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,258 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,554 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,376 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Countries of Africa | 0 | - | 5.00 | 2,541,206 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,977 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,996 |
| United States Map Quiz | 0 | - | 4.98 | 4,161,550 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,813 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,114 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,038 |
| Australia Map Quiz | 0 | - | 4.95 | 344,880 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,772 |
| African East Coast | 0 | - | 4.96 | 96,159 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,246,411 |
| Flags of Asia Quiz | 0 | - | 4.99 | 614,748 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,174 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,418 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,446 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,512 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,075 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,066 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,790 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,702 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,102 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,407 |
| Boroughs of New York City | 0 | - | 4.47 | 84,663 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,835 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,396 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,245 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,614 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,695 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,556 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,645 |
| Jamaica Country Quiz | 0 | - | 4.58 | 35,117 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,213 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,064 |
| South America Map Quiz | 0 | - | 5.00 | 1,550,820 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,298 |
| Largest United States Airlines | 0 | - | 4.39 | 55,054 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,167 |
| Counties of England | 0 | - | 4.97 | 797,935 |
| Seas of Europe | 0 | - | 4.37 | 84,690 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,824 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,875 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 113,932 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,318 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,843 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,514 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,221 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,893 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,513 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,787 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,509 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 52,966 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,446 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 51,475 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,089 |
