| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,999 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,599 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,295 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,849 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,681 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,827 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,920 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,380 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,621 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,548 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,907 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,702 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,580 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,126 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,856 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,780 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,578 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,754 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,177 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,292 |
| US States Quiz | 0 | - | 5.00 | 16,985,406 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,209 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,505 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,138 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,984 |
| Random U.S. City to State | 0 | - | 4.45 | 76,834 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,428 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,083 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,271 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,336 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,796 |
| Name a City - European Countries | 0 | - | 4.90 | 66,106 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,348 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,023 |
| Random European Capital to Country | 0 | - | 4.98 | 192,061 |
| Random European Country to Capital | 0 | - | 4.93 | 165,831 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,378 |
| Random African Capital to Country | 0 | - | 4.97 | 101,286 |
| Random African Country to Capital | 0 | - | 4.95 | 71,714 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,086 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,695 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,065 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,004 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,208 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,227 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,278 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,291 |
| U.S. States By Population | 0 | - | 4.92 | 154,091 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,163 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,853 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,819 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,516 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,057 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,509 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,745 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,227 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,252 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,435 |
| Boroughs of New York City | 0 | - | 4.47 | 85,272 |
| US States with an Empty Map | 0 | - | 5.00 | 628,266 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,403 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,979 |
| Europe Capital to Country | 0 | - | 4.99 | 251,938 |
| Asia Capital to Country | 0 | - | 4.96 | 127,329 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,884 |
| European Capitals by Map | 0 | - | 4.99 | 141,943 |
| African Capitals by Map | 0 | - | 4.99 | 142,011 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,858 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,803 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,121 |
| European Coastal Capitals | 0 | - | 4.95 | 91,252 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,154 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,418 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,641 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,135 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,665 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,296 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,103 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,651 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,985 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,220 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,106 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,717 |
| ALL California Cities | 0 | - | 4.37 | 43,225 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,490 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,093 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,437 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,769 |
| Official Cities in the UK | 0 | - | 4.89 | 286,017 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,000 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,971 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,176 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,537 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,048 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,358 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,548 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,902 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,673 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,377 |
| Capitals of the Stans | 0 | - | 4.95 | 27,108 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,321 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,683 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,487 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,433 |
| American TV Show Settings | 0 | - | 4.37 | 30,700 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,862 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,957 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,866 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,520 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,525 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,032 |
| US States and State Capitals | 0 | - | 4.99 | 165,165 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,326 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,260 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,564 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,430 |
| States of Mexico | 0 | - | 4.96 | 178,058 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,147 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,473 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,123 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,013 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,973 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,460 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,400 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,088 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,869 |
| South American Cities on the Map | 0 | - | 4.52 | 35,543 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,211 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,587 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,928 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,582 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,278 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,936 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,162 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,156 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,060 |
| Countries by Capital City | 0 | - | 5.00 | 69,291 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,808 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,179 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,642 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,763 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,795 |
| Moved Capital Cities | 0 | - | 4.96 | 74,613 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,785 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,207 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,466 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,387 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,597 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,052 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,800 |
| Pixelated United States Map | 0 | - | 4.88 | 94,769 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,137 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,211 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,340 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,344 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,863 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,408 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,824 |
| Which City in Europe? | 0 | - | 4.83 | 107,848 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,576 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,134 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,575 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,946 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,408 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,374 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,995 |
| New England States | 0 | - | 4.51 | 59,891 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,035 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,111 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,119 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,267 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,127 |
| U.S. States by Borders | 0 | - | 4.62 | 35,463 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,624 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,671 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,321 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,395 |
| North American Sports Cities | 0 | - | 4.83 | 173,082 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,547 |
| Cities in European History #1 | 0 | - | 4.63 | 134,559 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,926 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,440 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,867 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,946 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,628 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,212 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,906 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,450 |
| Name a Valid World City | 0 | - | 4.85 | 71,923 |
| Cities by Former Name | 0 | - | 4.83 | 92,012 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,666 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,957 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,774 |
| World Capitals by Map | 0 | - | 5.00 | 289,176 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,788 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,621 |
| Random Country to Capital | 0 | - | 4.98 | 927,344 |
| Capitals Starting With H | 0 | - | 4.91 | 93,296 |
| Capitals Starting With K | 0 | - | 4.89 | 84,366 |
