| States of Mexico | 0 | - | 4.95 | 174,730 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,199 |
| States of Brazil | 0 | - | 4.97 | 87,164 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,387 |
| Belize Country Quiz | 0 | - | 4.85 | 20,881 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,848 |
| US States Quiz | 0 | - | 5.00 | 16,780,539 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,140 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,037 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,251 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,737 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,062 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,294 |
| Brazil States Map Quiz | 0 | - | 4.85 | 47,661 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,580 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,022 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,258 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,182 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,738 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,521 |
| Panama Country Quiz | 0 | - | 4.61 | 25,701 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,055 |
| Pixelated United States Map | 0 | - | 4.89 | 93,819 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,363 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,932 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,929 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,372 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,597 |
| U.S. States By Population | 0 | - | 4.92 | 152,793 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,902 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,169 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,983 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,263 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,024 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,895 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,443 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,410 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,835 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,995 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,826 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,300 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,408 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,142 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,585 |
| Flags of North and South America | 0 | - | 4.99 | 370,203 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,420 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,879 |
| Counties of England | 0 | - | 4.97 | 792,610 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,944 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,204 |
| US States with an Empty Map | 0 | - | 5.00 | 621,414 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,344 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,094 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,523 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,844 |
| Australian States and Territories | 0 | - | 4.96 | 141,373 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,487 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,236 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,094 |
| Mexico Country Quiz | 0 | - | 4.49 | 72,195 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,751 |
| Mexico Cities Map Quiz | 0 | - | 4.77 | 33,388 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,787 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,224 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,087 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,748 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,523 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,697 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,730 |
| The Only American Country ... | 0 | - | 4.92 | 121,171 |
| Cuba Country Quiz | 0 | - | 4.70 | 51,331 |
| Haiti Country Quiz | 0 | - | 4.79 | 32,468 |
| Jamaica Country Quiz | 0 | - | 4.58 | 34,965 |
| Nicaragua Country Quiz | 0 | - | 4.62 | 26,465 |
| Guatemala Country Quiz | 0 | - | 4.63 | 25,325 |
| Honduras Country Quiz | 0 | - | 4.52 | 23,783 |
| Regions of Italy | 0 | - | 4.92 | 75,219 |
| States of India | 0 | - | 4.94 | 191,748 |
| Japanese Prefectures | 0 | - | 4.98 | 135,775 |
| Provinces of China | 0 | - | 4.97 | 202,242 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,189 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,348 |
| States of Germany | 0 | - | 4.96 | 151,099 |
| Regions of New Zealand | 0 | - | 4.85 | 28,403 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,751 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,326 |
| Provinces of Turkey | 0 | - | 4.95 | 202,955 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,127 |
| Central American Countries | 0 | - | 4.98 | 155,523 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,466 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,157 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,874 |
| Departments of France | 0 | - | 4.93 | 53,315 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,543 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,731 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,804 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,027 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,277 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,092 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,149 |
| South American Cities on the Map | 0 | - | 4.56 | 35,312 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,127 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,758 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,911 |
| Countries with American Expatriates | 0 | - | 4.53 | 42,518 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,197 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,978 |
| Canada Country Quiz | 0 | - | 4.54 | 132,097 |
| United States Country Quiz | 0 | - | 4.43 | 101,052 |
| United States Landmarks Map Quiz | 0 | - | 4.55 | 40,130 |
| Canada Cities Map Quiz | 0 | - | 4.63 | 123,880 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,793 |
| Busiest Air Routes from the U.S. | 0 | - | 4.46 | 76,732 |
| Counties of Ireland | 0 | - | 4.92 | 194,046 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,105 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,081 |
| Random U.S. City to State | 0 | - | 4.45 | 75,731 |
| Countries Closest to the U. S. | 0 | - | 4.41 | 208,459 |
| Brazil Country Quiz | 0 | - | 4.52 | 101,436 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,294 |
| Peru Country Quiz | 0 | - | 4.54 | 48,477 |
| Barbados Country Quiz | 0 | - | 4.78 | 19,697 |
| Chile Country Quiz | 0 | - | 4.75 | 39,892 |
| Ecuador Country Quiz | 0 | - | 4.60 | 31,740 |
| Dominican Republic Country Quiz | 0 | - | 4.61 | 23,316 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,954 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,640 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,732 |
| Asia Map Quiz | 0 | - | 4.99 | 911,012 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,475 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,575 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,262 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,522 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 68,978 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,467 |
| 10 Closest Megacities to New York City | 0 | - | 4.52 | 67,249 |
| New England States | 0 | - | 4.51 | 59,756 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,635 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,951 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,563 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,824 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,790 |
| U.S. States by Borders | 0 | - | 4.63 | 35,193 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,364 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,821 |
| 50 States, 50 Cities - Hard Version | 0 | - | 4.46 | 44,083 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,678 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,093 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,949 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,271 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,327 |
| The Only European Country ... | 0 | - | 4.91 | 215,164 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,091 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,333 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,468 |
| Countries of Africa | 0 | - | 5.00 | 2,521,601 |
| Trinidad and Tobago Country Quiz | 0 | - | 4.61 | 22,074 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,147 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,583 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,211 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,205 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,361 |
| Australia Map Quiz | 0 | - | 4.94 | 343,288 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,236 |
| African East Coast | 0 | - | 4.96 | 95,527 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,740 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,170 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,000 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,331 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,324 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,173 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,717 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,969 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,599 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,984 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,369 |
| Boroughs of New York City | 0 | - | 4.47 | 84,333 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,520 |
| Canada or Africa by Area | 0 | - | 4.77 | 18,196 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,327 |
| Which South American Country? | 0 | - | 4.69 | 51,828 |
| Biggest Trading Partners - United States | 0 | - | 4.63 | 106,506 |
| Countries that Beat Brazil | 0 | - | 4.49 | 68,215 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,873 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,960 |
| Largest United States Airlines | 0 | - | 4.39 | 54,927 |
| Hawaiian Islands | 0 | - | 4.83 | 42,564 |
| South American Physical Geography | 0 | - | 4.58 | 18,310 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,697 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,593 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,251 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,267 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,601 |
| Largest Virgin Islands | 0 | - | 4.24 | 5,285 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,368 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,109 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,820 |
| U.S. States with the Lowest Average Elevation | 0 | - | 4.55 | 38,439 |
| U.S. States With the Highest Average Elevation | 0 | - | 4.61 | 32,704 |
