| US States Quiz | 0 | - | 5.00 | 17,012,208 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,648 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,583 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,733 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,799 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,716 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,809 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,191 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,297 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,750 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,500 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,824 |
| Mexico States Map Quiz | 0 | - | 4.85 | 105,740 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,550 |
| States of Mexico | 0 | - | 4.96 | 178,534 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,942 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,661 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,528 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,849 |
| Pixelated United States Map | 0 | - | 4.89 | 94,882 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,139 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,373 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,405 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,454 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,484 |
| U.S. States By Population | 0 | - | 4.92 | 154,214 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,321 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,942 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,933 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,571 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,165 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,750 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,441 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,138 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,552 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,788 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,360 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,655 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,330 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 645,089 |
| Flags of North and South America | 0 | - | 4.99 | 377,628 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,546 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,750 |
| Counties of England | 0 | - | 4.97 | 803,749 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,422 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,078 |
| US States with an Empty Map | 0 | - | 5.00 | 629,250 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,311 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,403 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,519 |
| Canada Country Quiz | 0 | - | 4.55 | 133,117 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,652 |
| Australian States and Territories | 0 | - | 4.96 | 142,961 |
| Random U.S. City to State | 0 | - | 4.45 | 76,985 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,403 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,276 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,946 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,605 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,443 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,939 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,241 |
| Which City in Canada? | 0 | - | 4.83 | 57,388 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,213 |
| The Only American Country ... | 0 | - | 4.92 | 122,300 |
| Belize Country Quiz | 0 | - | 4.85 | 21,110 |
| Regions of Italy | 0 | - | 4.92 | 77,198 |
| Provinces of China | 0 | - | 4.97 | 208,424 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,483 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,584 |
| States of Germany | 0 | - | 4.95 | 154,776 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,605 |
| O Canada Lyrics | 0 | - | 4.47 | 51,081 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,140 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,117 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,473 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,900 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,912 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,069 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,888 |
| Name a Valid African Country | 0 | - | 4.98 | 155,160 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,734 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,972 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,346 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,693 |
| Europe Map Quiz | 0 | - | 5.00 | 4,791,268 |
| States of Brazil | 0 | - | 4.98 | 89,933 |
| Departments of France | 0 | - | 4.93 | 55,306 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,975 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,190 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,194 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,663 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,175 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,143 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,862 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,550 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,363 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,006 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,636 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,780 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,923 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,263 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,543 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,178 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,684 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,648 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,198 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 95,553 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,032 |
| United States Country Quiz | 0 | - | 4.43 | 102,294 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,290 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 60,237 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 77,089 |
| Counties of Ireland | 0 | - | 4.92 | 197,537 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,547 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,119 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,438 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,328 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,909 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,065 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,174 |
| Which City in Europe? | 0 | - | 4.83 | 107,967 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,319 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,945 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 210,653 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,701 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,808 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,453,075 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,939 |
| Africa Map Quiz | 0 | - | 5.00 | 2,130,004 |
| Asia Map Quiz | 0 | - | 4.99 | 926,126 |
| Ontario Cities Map Quiz | 0 | - | 4.64 | 19,562 |
| Regions of U.S. States | 0 | - | 4.37 | 44,227 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,202 |
| South American Geography Quiz #2 | 0 | - | 4.41 | 44,284 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,924 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 70,116 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 58,382 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,549 |
| New England States | 0 | - | 4.51 | 59,906 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,094 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,129 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,193 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,314 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,169 |
| U.S. States by Borders | 0 | - | 4.62 | 35,502 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,705 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,377 |
| Movies by State | 0 | - | 4.27 | 40,614 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,470 |
| Name a City - European Countries | 0 | - | 4.89 | 66,320 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,730 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,573 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,185 |
| Random Country to Capital | 0 | - | 4.98 | 929,413 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,074 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,173 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,377 |
| The Only European Country ... | 0 | - | 4.91 | 219,382 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,193 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,730 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,966 |
| Countries of Africa | 0 | - | 5.00 | 2,562,970 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,744 |
| United States Map Quiz | 0 | - | 4.98 | 4,172,758 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,553 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 100,070 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,743 |
| Australia Map Quiz | 0 | - | 4.95 | 346,346 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,455 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,191 |
| Canadian Islands on the Map | 0 | - | 4.40 | 20,117 |
| African East Coast | 0 | - | 4.96 | 96,878 |
| Most Valuable Crops by U.S. State | 0 | - | 4.40 | 39,237 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,135 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,336 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,701 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,357 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,503 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,939 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,855 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,893 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,647 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,184 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,904 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,808 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,324 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,269 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,445 |
| Boroughs of New York City | 0 | - | 4.47 | 85,368 |
| Canada or Africa by Area | 0 | - | 4.78 | 18,613 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,624 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,905 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,306 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,783 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,830 |
| Jamaica Country Quiz | 0 | - | 4.59 | 35,262 |
| El Salvador Country Quiz | 0 | - | 4.63 | 31,913 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,365 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,792 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,552 |
