| Rivers of the United States | 0 | - | 4.93 | 65,565 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,823 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,475 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,273 |
| African Great Lakes | 0 | - | 4.82 | 65,247 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,874 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,247 |
| US States with an Empty Map | 0 | - | 5.00 | 619,242 |
| US States Quiz | 0 | - | 5.00 | 16,712,964 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,636 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,956 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,509 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,577 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,093 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,396 |
| Countries with Fjords | 0 | - | 4.93 | 100,239 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,128 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,480 |
| Lakes in the United States by Clue | 0 | - | 4.31 | 19,183 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,809 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,656 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,024 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,512 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,303 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,368 |
| Countries Closest to Maine | 0 | - | 4.84 | 66,489 |
| US States by Borders in 30 Seconds | 0 | - | 4.68 | 2,665,598 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,857 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,924 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,721 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,142 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,569 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,314 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,273 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,753 |
| North Sea Countries | 0 | - | 4.92 | 86,630 |
| Black Sea Countries | 0 | - | 4.87 | 60,350 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,035 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,131 |
| Countries With No Rivers | 0 | - | 4.96 | 76,059 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,968 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,278 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,696 |
| Asian Physical Geography | 0 | - | 4.61 | 35,376 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,619 |
| World Currencies Quiz on a Map | 0 | - | 4.95 | 60,070 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,326 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,125 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,764 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,262 |
| Departments of France | 0 | - | 4.93 | 52,905 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,919 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,401 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,376 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,992 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,673 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,625 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,340 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,779 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,858 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,575 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,540 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,180 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,359 |
| Europe Map Quiz | 0 | - | 5.00 | 4,733,449 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,815 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,762 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,000 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,388 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,392 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,197 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,024 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,622 |
| Megadiverse Countries | 0 | - | 4.97 | 133,940 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,779 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,769 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,503 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,115 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,306 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,817 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,413 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,812 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,255 |
| Asia Map Quiz | 0 | - | 4.99 | 907,594 |
| African Physical Geography | 0 | - | 4.51 | 31,573 |
| European Physical Geography | 0 | - | 4.26 | 33,381 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,698 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,468 |
| Washington D.C. Landmarks on a Map | 0 | - | 4.60 | 18,289 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,381,334 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,946 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,285 |
| Random U.S. City to State | 0 | - | 4.45 | 75,407 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,450 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,241 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,705 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,391 |
| Boroughs of New York City | 0 | - | 4.47 | 84,134 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,771 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,343 |
| Countries of Africa | 0 | - | 5.00 | 2,509,820 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,239 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,007 |
| Cuba Country Quiz | 0 | - | 4.69 | 51,190 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 31,937 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,376,506 |
| United States Map Quiz | 0 | - | 4.98 | 4,142,945 |
| Australia Map Quiz | 0 | - | 4.94 | 342,630 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,473 |
| California Cities Map Quiz | 0 | - | 4.50 | 87,658 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,646 |
| New York Cities Map Quiz | 0 | - | 4.54 | 42,055 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,321 |
| Singapore Airlines Destinations on a Map | 0 | - | 4.96 | 24,159 |
| Cities of Los Angeles County on a Map | 0 | - | 4.69 | 26,761 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,598 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,413 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,072 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,236 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,933 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,624 |
| U.S. Geography by Letter - S | 0 | - | 4.54 | 52,151 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,204 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,449 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,675 |
| O Canada Lyrics | 0 | - | 4.47 | 50,791 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,227,965 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,097 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,565 |
| Name a City - European Countries | 0 | - | 4.92 | 64,501 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,932 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,146 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,645 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,337 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,534 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,872 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,687 |
| The Only European Country ... | 0 | - | 4.91 | 214,040 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,445 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,275 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,689 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,245 |
| Arms Exports - United States | 0 | - | 4.70 | 54,398 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,555 |
| Countries that Visit Florida the Most | 0 | - | 4.72 | 71,255 |
| Countries Closest to Hawaii | 0 | - | 4.54 | 53,267 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,374 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,990 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,254 |
| South America Map Quiz | 0 | - | 5.00 | 1,541,668 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,866 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,547 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,999 |
| U.S. State Quarters Picture Quiz #1 | 0 | - | 4.45 | 52,679 |
| U.S. State Quarters Picture Quiz #2 | 0 | - | 4.74 | 38,327 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,900 |
| Flags of North and South America | 0 | - | 4.99 | 367,804 |
| Tourist Attractions by U.S. State | 0 | - | 4.46 | 62,455 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,198 |
| Counties of England | 0 | - | 4.97 | 789,754 |
| South American Physical Geography | 0 | - | 4.58 | 18,275 |
| Seas of Europe | 0 | - | 4.37 | 83,834 |
| African East Coast | 0 | - | 4.96 | 95,115 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,889 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,423 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,648 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,445 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.51 | 66,208 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,589 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,391 |
| U.S. States with Spanish Names | 0 | - | 4.50 | 87,345 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,515 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,723 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,290 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,490 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 64,451 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,109 |
| Top 10 U.S. States by Public Transit | 0 | - | 4.77 | 63,435 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,572 |
| State Quiz - Florida | 0 | - | 4.47 | 61,973 |
| State Quiz - Texas | 0 | - | 4.43 | 62,532 |
| State Quiz - Minnesota | 0 | - | 4.41 | 38,580 |
| State Quiz - Virginia | 0 | - | 4.52 | 40,058 |
| State Quiz - Georgia | 0 | - | 4.48 | 35,349 |
| State Quiz - Kentucky | 0 | - | 4.41 | 32,264 |
| State Quiz - New York | 0 | - | 4.52 | 45,779 |
| State Quiz - Washington | 0 | - | 4.45 | 36,180 |
| State Quiz - Illinois | 0 | - | 4.44 | 33,176 |
| State Quiz - California | 0 | - | 4.68 | 64,010 |
| State Quiz - Alaska | 0 | - | 4.42 | 41,813 |
| State Quiz - Arizona | 0 | - | 4.44 | 36,517 |
| State Quiz - New Jersey | 0 | - | 4.42 | 37,913 |
| State Quiz - Pennsylvania | 0 | - | 4.50 | 48,653 |
| State Quiz - Tennessee | 0 | - | 4.54 | 33,920 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,254 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,279 |
| Biggest City by River | 0 | - | 4.41 | 52,704 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,738 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,175 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,415 |