| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,126 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,717 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,340 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,097 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,047 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,065 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,170 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,884 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,800 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,675 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,209 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,045 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,452 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,247 |
| US States Quiz | 0 | - | 5.00 | 17,000,916 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,421 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,698 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,810 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,258 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,265 |
| US States with an Empty Map | 0 | - | 5.00 | 628,843 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,081 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,673 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,310 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,116 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,103 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,728 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,189 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,326 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,369 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,851 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,225 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,319 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,854 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,599 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,705 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,884 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,020 |
| Random U.S. City to State | 0 | - | 4.45 | 76,936 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,452 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,129 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,871 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,082 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,076 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,054 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,457 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,097 |
| Random European Capital to Country | 0 | - | 4.98 | 192,175 |
| Random European Country to Capital | 0 | - | 4.93 | 165,949 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,000 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,460 |
| Random African Capital to Country | 0 | - | 4.97 | 101,372 |
| Random African Country to Capital | 0 | - | 4.95 | 71,770 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,034 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,095 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,300 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,333 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,382 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,404 |
| U.S. States By Population | 0 | - | 4.92 | 154,170 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,250 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,910 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,881 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,547 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,115 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,173 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,342 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| Name a City - European Countries | 0 | - | 4.89 | 66,215 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,762 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,833 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,444 |
| Boroughs of New York City | 0 | - | 4.47 | 85,340 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,489 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,056 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,498 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,745 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,516 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,114 |
| ALL California Cities | 0 | - | 4.37 | 43,252 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,507 |
| Europe Capital to Country | 0 | - | 4.99 | 252,183 |
| Asia Capital to Country | 0 | - | 4.96 | 127,526 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,032 |
| European Capitals by Map | 0 | - | 4.99 | 142,174 |
| African Capitals by Map | 0 | - | 4.99 | 142,281 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,960 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,913 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,217 |
| European Coastal Capitals | 0 | - | 4.95 | 91,340 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,205 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,815 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,846 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,184 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,890 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,546 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,224 |
| Official Cities in the UK | 0 | - | 4.89 | 286,372 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,705 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,285 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,260 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,604 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,155 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,414 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,598 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,979 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,731 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,405 |
| American TV Show Settings | 0 | - | 4.37 | 30,703 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,707 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,968 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,493 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,330 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,888 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,123 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,657 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,580 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,744 |
| US States and State Capitals | 0 | - | 4.99 | 165,463 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,438 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,579 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,677 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,504 |
| States of Mexico | 0 | - | 4.96 | 178,335 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,951 |
| Longest U.S. State Borders | 0 | - | 4.69 | 40,148 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.64 | 66,106 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,660 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.70 | 61,033 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,153 |
| Capitals of the Stans | 0 | - | 4.95 | 27,159 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,105 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,067 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,717 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,473 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,247 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,943 |
| South American Cities on the Map | 0 | - | 4.52 | 35,559 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,596 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,934 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,589 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,116 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,828 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,877 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,429 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,361 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,581 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,465 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,624 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,510 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,827 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,542 |
| Pixelated United States Map | 0 | - | 4.88 | 94,831 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,567 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,839 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 53,019 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,405 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,308 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,690 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,767 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,859 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,351 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,391 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,992 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,236 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,262 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,189 |
| Countries by Capital City | 0 | - | 5.00 | 69,444 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,887 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,258 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,993 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,172 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,839 |
| Moved Capital Cities | 0 | - | 4.96 | 74,670 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,279 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,387 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,430 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,821 |
| Which City in Europe? | 0 | - | 4.83 | 107,909 |
| Neighborhoods of New York City | 0 | - | 4.38 | 30,595 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,255 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,706 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,021 |
| Regions of U.S. States | 0 | - | 4.37 | 44,202 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,406 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,634 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,425 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,936 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,374 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,945 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,645 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,124 |
| Random Country to Capital | 0 | - | 4.98 | 928,551 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,972 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,130 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,137 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,230 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,372 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,121 |
