| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,304 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,115 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,691 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,504 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,455 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,869 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,011 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,770 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,790 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,189 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,168 |
| US States with an Empty Map | 0 | - | 5.00 | 621,675 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,083 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,054 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,466 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,164 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,170 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,141 |
| US States Quiz | 0 | - | 5.00 | 16,789,699 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,315 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,208 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,763 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,107 |
| Random U.S. City to State | 0 | - | 4.45 | 75,807 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,136 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,472 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,042 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,504 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,035 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,846 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,884 |
| Name a City - European Countries | 0 | - | 4.91 | 64,954 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,968 |
| Pixelated United States Map | 0 | - | 4.89 | 93,864 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,418 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,972 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,974 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,433 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,663 |
| U.S. States By Population | 0 | - | 4.92 | 152,832 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,945 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,196 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,990 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,012 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,315 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,335 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,205 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,747 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,978 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,719 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,606 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,372 |
| Boroughs of New York City | 0 | - | 4.47 | 84,360 |
| South American Cities on the Map | 0 | - | 4.56 | 35,327 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,538 |
| Europe Capital to Country | 0 | - | 4.99 | 249,041 |
| Asia Capital to Country | 0 | - | 4.96 | 126,232 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,249 |
| European Capitals by Map | 0 | - | 4.99 | 137,915 |
| African Capitals by Map | 0 | - | 4.99 | 132,941 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,787 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,665 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,045 |
| European Coastal Capitals | 0 | - | 4.95 | 90,177 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,379 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,409 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,041 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,622 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,000 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,998 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,431 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,146 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,592 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,335 |
| ALL California Cities | 0 | - | 4.37 | 42,947 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,427 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,978 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,907 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,586 |
| Official Cities in the UK | 0 | - | 4.89 | 282,324 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,271 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,660 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,845 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,501 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,405 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,032 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,750 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,728 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,554 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,957 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,885 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,032 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,110 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,092 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,158 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,867 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,445 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,914 |
| Capitals of the Stans | 0 | - | 4.95 | 26,635 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,012 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,525 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,338 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,846 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,666 |
| American TV Show Settings | 0 | - | 4.35 | 30,617 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,705 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,689 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,865 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,732 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,991 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,940 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,596 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,199 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,033 |
| US States and State Capitals | 0 | - | 4.99 | 160,444 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,106 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,488 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,232 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,612 |
| States of Mexico | 0 | - | 4.95 | 174,903 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,423 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,322 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,781 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,065 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,332 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,165 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,435 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,538 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,648 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,489 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,716 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,504 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,665 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,081 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,108 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,455 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,253 |
| Countries by Capital City | 0 | - | 5.00 | 67,569 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,797 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,292 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,914 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,751 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,374 |
| Moved Capital Cities | 0 | - | 4.96 | 73,919 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,395 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,164 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,208 |
| Random European Capital to Country | 0 | - | 4.98 | 190,183 |
| Random European Country to Capital | 0 | - | 4.93 | 160,094 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,917 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,004 |
| Random African Capital to Country | 0 | - | 4.97 | 100,203 |
| Random African Country to Capital | 0 | - | 4.94 | 70,739 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,664 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,468 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,066 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,321 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,193 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,784 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,606,093 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,921 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,519 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,819 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,295 |
| Which City in Europe? | 0 | - | 4.83 | 107,043 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,330 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,896 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,222 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,147 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,447 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,971 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,231 |
| New England States | 0 | - | 4.51 | 59,762 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,662 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,958 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,584 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,844 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,801 |
| U.S. States by Borders | 0 | - | 4.61 | 35,209 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 184,243 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,375 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,852 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,462 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,587 |
| North American Sports Cities | 0 | - | 4.83 | 171,469 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,065 |
| Cities in European History #1 | 0 | - | 4.63 | 133,590 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,665 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,513 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,081 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,076 |
| Name a Valid World City | 0 | - | 4.83 | 70,687 |
| Cities by Former Name | 0 | - | 4.84 | 91,300 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,238 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,466 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,584 |
| World Capitals by Map | 0 | - | 5.00 | 284,941 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,006 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,923 |
| Random Country to Capital | 0 | - | 4.98 | 915,564 |
