| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,535 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,634 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,311 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,965 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,947 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,865 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,143 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,858 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,786 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,622 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,066 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,974 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,416 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,219 |
| US States Quiz | 0 | - | 5.00 | 16,992,842 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,398 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,658 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,776 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,238 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,254 |
| US States with an Empty Map | 0 | - | 5.00 | 628,580 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,928 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,668 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,302 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,107 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,091 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,709 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,097 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,278 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,194 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,592 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,814 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,191 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,301 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,823 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,507 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,627 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,816 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,997 |
| Random U.S. City to State | 0 | - | 4.45 | 76,902 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,441 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,103 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,839 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,073 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,599 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,719 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,402 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,052 |
| Random European Capital to Country | 0 | - | 4.98 | 192,118 |
| Random European Country to Capital | 0 | - | 4.93 | 165,872 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,979 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,409 |
| Random African Capital to Country | 0 | - | 4.97 | 101,335 |
| Random African Country to Capital | 0 | - | 4.95 | 71,742 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,033 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,067 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,261 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,291 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,331 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,348 |
| U.S. States By Population | 0 | - | 4.92 | 154,127 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,208 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,880 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,856 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,535 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,084 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,150 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,331 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,515 |
| Name a City - European Countries | 0 | - | 4.90 | 66,150 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,708 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,829 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,439 |
| Boroughs of New York City | 0 | - | 4.47 | 85,318 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,454 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,022 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,494 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,732 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,445 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,041 |
| ALL California Cities | 0 | - | 4.37 | 43,234 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,498 |
| Europe Capital to Country | 0 | - | 4.99 | 252,038 |
| Asia Capital to Country | 0 | - | 4.96 | 127,377 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,945 |
| European Capitals by Map | 0 | - | 4.99 | 142,040 |
| African Capitals by Map | 0 | - | 4.99 | 142,099 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,887 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,852 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,167 |
| European Coastal Capitals | 0 | - | 4.95 | 91,292 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,184 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,624 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,748 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,156 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,837 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,470 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,192 |
| Official Cities in the UK | 0 | - | 4.89 | 286,176 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,162 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,142 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,217 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,573 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,090 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,387 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,574 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,935 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,699 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,391 |
| American TV Show Settings | 0 | - | 4.37 | 30,701 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,693 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,912 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,491 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,138 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,879 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,050 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,591 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,552 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,740 |
| US States and State Capitals | 0 | - | 4.99 | 165,306 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,388 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,417 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,597 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,465 |
| States of Mexico | 0 | - | 4.96 | 178,208 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,942 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,122 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,073 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,643 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 59,620 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,138 |
| Capitals of the Stans | 0 | - | 4.95 | 27,135 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,053 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,020 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,580 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,433 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,169 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,902 |
| South American Cities on the Map | 0 | - | 4.52 | 35,549 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,593 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,931 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,585 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,204 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,813 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,868 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,418 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,299 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,529 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,434 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,614 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,474 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,812 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,322 |
| Pixelated United States Map | 0 | - | 4.88 | 94,804 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,563 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,810 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,986 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,385 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,290 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,682 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,760 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,807 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,280 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,333 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,963 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,189 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,208 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,123 |
| Countries by Capital City | 0 | - | 5.00 | 69,362 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,841 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,213 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,793 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,147 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,799 |
| Moved Capital Cities | 0 | - | 4.96 | 74,636 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,255 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,361 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,386 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,802 |
| Which City in Europe? | 0 | - | 4.83 | 107,878 |
| Neighborhoods of New York City | 0 | - | 4.38 | 30,588 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,206 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,640 |
| Countries that Beat Canada | 0 | - | 4.90 | 98,991 |
| Regions of U.S. States | 0 | - | 4.37 | 44,175 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,390 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,632 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,421 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,934 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,366 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,934 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,635 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,308 |
| Random Country to Capital | 0 | - | 4.98 | 927,868 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,964 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,124 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,095 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,207 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,369 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,118 |
