| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,290 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,095 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,971 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,628 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,377 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,023 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,344 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,202 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,307 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,848 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,026 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,623 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,960 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,770 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,591 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,590 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,448 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,887 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,050 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,186 |
| US States Quiz | 0 | - | 5.00 | 16,927,725 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,901 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,984 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,815 |
| Random U.S. City to State | 0 | - | 4.45 | 76,610 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,894 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,272 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,230 |
| Name a City - European Countries | 0 | - | 4.90 | 65,718 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,174 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,774 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,712 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,401 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,719 |
| U.S. States By Population | 0 | - | 4.92 | 153,788 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,779 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,620 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,558 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,350 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,822 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,472 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,590 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,163 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,081 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,816 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,729 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Boroughs of New York City | 0 | - | 4.47 | 84,747 |
| US States with an Empty Map | 0 | - | 5.00 | 626,291 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,034 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,483 |
| Europe Capital to Country | 0 | - | 4.99 | 251,052 |
| Asia Capital to Country | 0 | - | 4.96 | 126,924 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,292 |
| European Capitals by Map | 0 | - | 4.99 | 140,197 |
| African Capitals by Map | 0 | - | 4.99 | 134,647 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,733 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,356 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,694 |
| European Coastal Capitals | 0 | - | 4.95 | 90,880 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,699 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,058 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,731 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,946 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,123 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,458 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,894 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,587 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,595 |
| ALL California Cities | 0 | - | 4.37 | 43,125 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,472 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,930 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,570 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,393 |
| Official Cities in the UK | 0 | - | 4.89 | 284,747 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,728 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,783 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,249 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,068 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,336 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,451 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,518 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,191 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,226 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,002 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,596 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,005 |
| Capitals of the Stans | 0 | - | 4.95 | 26,948 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,219 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,630 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,443 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,086 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,310 |
| American TV Show Settings | 0 | - | 4.35 | 30,667 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,466 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,596 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,811 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,898 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,320 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,645 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,259 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| US States and State Capitals | 0 | - | 4.99 | 163,706 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,941 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,032 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,235 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,157 |
| States of Mexico | 0 | - | 4.96 | 176,939 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,455 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,419 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,938 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,615 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,611 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,342 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,101 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,559 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,557 |
| South American Cities on the Map | 0 | - | 4.53 | 35,478 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,654 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,554 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,835 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,553 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,622 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,608 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,739 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,581 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,438 |
| Countries by Capital City | 0 | - | 5.00 | 68,726 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,425 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,867 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,366 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,458 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,629 |
| Moved Capital Cities | 0 | - | 4.96 | 74,392 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,829 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,665 |
| Random European Capital to Country | 0 | - | 4.98 | 191,552 |
| Random European Country to Capital | 0 | - | 4.93 | 165,468 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,749 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,060 |
| Random African Capital to Country | 0 | - | 4.97 | 100,969 |
| Random African Country to Capital | 0 | - | 4.94 | 71,435 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,273 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,665 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,013 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,045 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,466 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,649 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,708 |
| Pixelated United States Map | 0 | - | 4.88 | 94,505 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,256 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,057 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,949 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,131 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,008 |
| Which City in Europe? | 0 | - | 4.83 | 107,624 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,489 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,753 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,907 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,582 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,986 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,256 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,631 |
| New England States | 0 | - | 4.51 | 59,841 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,918 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,047 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,937 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,135 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 41,018 |
| U.S. States by Borders | 0 | - | 4.61 | 35,388 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,704 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,556 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,162 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,114 |
| North American Sports Cities | 0 | - | 4.83 | 172,709 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,423 |
| Cities in European History #1 | 0 | - | 4.63 | 134,256 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,838 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,389 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,806 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,911 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,588 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,168 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,630 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,121 |
| Name a Valid World City | 0 | - | 4.83 | 71,534 |
| Cities by Former Name | 0 | - | 4.83 | 91,770 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,515 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,785 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,459 |
| World Capitals by Map | 0 | - | 5.00 | 287,671 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,520 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,522 |
| Random Country to Capital | 0 | - | 4.98 | 923,449 |
| Capitals Starting With H | 0 | - | 4.91 | 92,772 |
| Capitals Starting With K | 0 | - | 4.88 | 83,824 |
| Capitals Starting With L | 0 | - | 4.81 | 88,290 |
| Capitals Starting With M | 0 | - | 4.93 | 108,145 |
| Capitals Starting With P | 0 | - | 4.88 | 78,401 |
| Capitals Starting With R | 0 | - | 4.87 | 82,020 |
