| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,635,143 |
| Random State Capital to U.S. State | 0 | - | 4.81 | 84,311 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 69,155 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 137,434 |
| Random U.S. City to State | 0 | - | 4.44 | 71,921 |
| U.S. State Capitals in the Answer | 0 | - | 4.76 | 34,481 |
| Countries Similar to U.S. States by Population | 0 | - | 4.95 | 65,981 |
| US States Quiz | 0 | - | 5.00 | 16,109,026 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 200,492 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 86,190 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 76,766 |
| Name a Valid European Capital | 0 | - | 4.95 | 145,596 |
| U.S. Cities Chain | 0 | - | 4.21 | 33,626 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 40,998 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.77 | 53,579 |
| Name a City - European Countries | 0 | - | 4.93 | 60,877 |
| Africa Capitals Quiz | 0 | - | 4.99 | 702,228 |
| Asia Capitals Quiz | 0 | - | 4.97 | 659,908 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 125,282 |
| Boroughs of New York City | 0 | - | 4.46 | 81,950 |
| Washington D.C. Trivia | 0 | - | 4.41 | 32,600 |
| Fifty US States in One Minute | 0 | - | 4.54 | 3,454,664 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 211,258 |
| Category Elimination - U.S. States #2 | 0 | - | 4.81 | 126,728 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 100,547 |
| Random African Capitals on a Map | 0 | - | 4.95 | 52,731 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 49,205 |
| Random European Capitals on a Map | 0 | - | 4.98 | 130,217 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 92,040 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.89 | 46,772 |
| Random U.S. State Capitals on a Map | 0 | - | 4.91 | 99,908 |
| Which City in Europe? | 0 | - | 4.83 | 104,423 |
| Draw All US State Borders | 0 | - | 4.99 | 120,767 |
| Most Common Immigrant Origin by U.S. State | 0 | - | 4.88 | 57,560 |
| US States with an Empty Map | 0 | - | 5.00 | 600,512 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 89,609 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 43,841 |
| U.S. States or European Countries by Population | 0 | - | 4.98 | 126,776 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 104,659 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 68,741 |
| ALL California Cities | 0 | - | 4.35 | 41,803 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,025 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.41 | 12,163 |
| Europe Capital to Country | 0 | - | 4.99 | 239,546 |
| Asia Capital to Country | 0 | - | 4.96 | 122,644 |
| EU Capitals with No Hints | 0 | - | 4.96 | 138,775 |
| European Capitals by Map | 0 | - | 4.99 | 126,886 |
| African Capitals by Map | 0 | - | 4.99 | 125,998 |
| Asian Capitals by Map | 0 | - | 4.98 | 57,085 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 87,661 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 80,456 |
| European Coastal Capitals | 0 | - | 4.95 | 86,250 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 50,743 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 255,118 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.89 | 213,615 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 79,886 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 74,284 |
| Word Scramble - U.S. Cities | 0 | - | 4.10 | 19,314 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.41 | 39,124 |
| World Capitals Quiz | 0 | - | 5.00 | 4,872,121 |
| South America Capitals Quiz | 0 | - | 5.00 | 462,401 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 61,293 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.57 | 33,959 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.61 | 50,220 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,188 |
| US State Capitals - One Minute Sprint | 0 | - | 4.03 | 177,189 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.62 | 33,427 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 37,462 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 45,395 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.68 | 1,345,299 |
| Top 10 Most Native American U.S. States | 0 | - | 4.85 | 87,507 |
| U.S. City Nicknames | 0 | - | 4.25 | 102,435 |
| Official Cities in the UK | 0 | - | 4.89 | 268,994 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 39,817 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.91 | 23,188 |
| Every City in Arizona on a Map | 0 | - | 4.45 | 8,530 |
| Every City in Colorado on a Map | 0 | - | 4.47 | 12,166 |
| Every City in Washington State on a Map | 0 | - | 4.51 | 12,392 |
| Every City in Alabama on a Map | 0 | - | 4.69 | 7,591 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 8,497 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.62 | 14,151 |
| North America Capitals Quiz | 0 | - | 4.99 | 207,015 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 58,820 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 90,853 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 114,388 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 84,275 |
| European Capitals Furthest from the Sea | 0 | - | 4.90 | 71,391 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 58,014 |
| World Capitals in the Answer | 0 | - | 4.93 | 73,538 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 51,444 |
| European Capitals Ending in N | 0 | - | 4.92 | 78,789 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 91,371 |
| Which City in Canada? | 0 | - | 4.81 | 55,471 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,092 |
| U.S. States that Border Canada | 0 | - | 4.91 | 174,507 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.65 | 9,297 |
| Capitals of the Stans | 0 | - | 4.95 | 25,051 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.41 | 35,903 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 65,132 |
| Random European City to Country | 0 | - | 4.69 | 113,831 |
| Random Asian City to Country | 0 | - | 4.55 | 43,971 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 134,683 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.59 | 7,747 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,512,909 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 85,073 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 78,871 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,293 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.39 | 31,806 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 25,729 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.54 | 31,417 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 146,445 |
| Miami City Trivia | 0 | - | 4.59 | 10,989 |
| All About Atlanta | 0 | - | 4.59 | 10,944 |
| Dallas City Trivia | 0 | - | 4.46 | 6,605 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,333 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 42,668 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,246 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,099 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 110,043 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 58,853 |
| U.S Cities by African-American Population | 0 | - | 4.41 | 93,431 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 146,531 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,123 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 39,370 |
| Name a City - U.S. States | 0 | - | 4.39 | 25,979 |
| Cities on Route 66 on a Map | 0 | - | 4.51 | 31,806 |
| Most Guessed European Capitals | 0 | - | 4.89 | 99,906 |
| Word Scramble - European Capitals | 0 | - | 4.75 | 91,923 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 81,210 |
| Name a Valid Asian Capital | 0 | - | 4.52 | 59,756 |
| Random European Capital to Country | 0 | - | 4.97 | 183,991 |
| Random European Country to Capital | 0 | - | 4.93 | 143,692 |
| Random Asian Country to Capital | 0 | - | 4.92 | 92,256 |
| Random Asian Capital to Country | 0 | - | 4.97 | 97,462 |
| Random African Capital to Country | 0 | - | 4.97 | 87,589 |
| Random African Country to Capital | 0 | - | 4.94 | 67,623 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,264 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 28,518 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,487 |
| U.S. States by Clue #1 | 0 | - | 4.52 | 34,330 |
| Name a Valid U.S. State #2 | 0 | - | 4.62 | 74,669 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 47,221 |
| European Capitals by Airport Code | 0 | - | 4.91 | 32,347 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 185,102 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 162,035 |
| U.S. Cities A-Z | 0 | - | 4.22 | 31,505 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,425 |
| Global Cities on a World Map | 0 | - | 4.94 | 106,405 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 135,381 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 52,722 |
| Find the City #1 | 0 | - | 4.97 | 39,767 |
| Every City in Oregon on a Map | 0 | - | 4.25 | 9,733 |
| Northernmost Capital Cities | 0 | - | 4.98 | 104,019 |
| Most Remote Capital Cities | 0 | - | 4.91 | 49,772 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 41,208 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 102,378 |
| Same Letter Country and Capital | 0 | - | 4.99 | 140,548 |
| Countries by Capital City | 0 | - | 5.00 | 61,076 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 73,081 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 111,078 |
| World Capitals by Proximity | 0 | - | 4.90 | 316,968 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,054 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 80,369 |
| Moved Capital Cities | 0 | - | 4.95 | 71,426 |
| World Capitals with a Unique First Letter | 0 | - | 4.81 | 61,261 |
| European Cities by Clue | 0 | - | 4.70 | 88,084 |
| Neighborhoods of New York City | 0 | - | 4.36 | 29,494 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 141,631 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.96 | 313,855 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 37,640 |
| US States by Borders in 30 Seconds | 0 | - | 4.74 | 2,598,887 |
| Draw All US State Borders - Extreme | 0 | - | 4.99 | 73,601 |
| Every City in Texas on a Map | 0 | - | 4.33 | 13,116 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,751 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.95 | 48,154 |
| Summer Olympic City Bids | 0 | - | 4.92 | 40,038 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 47,599 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.29 | 33,027 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 98,665 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 33,241 |
| Name a City - Asian Countries | 0 | - | 4.41 | 18,762 |
| Cities by Former Name | 0 | - | 4.84 | 88,742 |
| Capitals in their Native Languages | 0 | - | 4.94 | 130,799 |
| Nearest Capital City #1 | 0 | - | 4.83 | 55,470 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 52,051 |
| World Capitals by Map | 0 | - | 5.00 | 270,879 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.96 | 55,081 |
| Random Capital to Country | 0 | - | 4.99 | 2,522,542 |
| Random Country to Capital | 0 | - | 4.98 | 877,919 |
| World Capitals Mystery Route | 0 | - | 4.97 | 51,493 |
| Bordering Countries Whose Capitals Are Furthest Apart | 0 | - | 4.99 | 47,718 |
| World Capitals By Letter - H | 0 | - | 4.86 | 76,231 |
| World Capitals By Letter - K | 0 | - | 4.82 | 70,790 |
| World Capitals By Letter - M | 0 | - | 4.92 | 97,646 |
| World Capitals By Letter - P | 0 | - | 4.85 | 72,187 |
| World Capitals By Letter - R | 0 | - | 4.85 | 76,788 |
| World Capitals By Letter - S | 0 | - | 4.89 | 79,662 |
| World Capitals By Letter - T | 0 | - | 4.82 | 70,945 |
| World Capitals By Letter - W | 0 | - | 4.88 | 86,749 |
| World Capitals By Letter - A | 0 | - | 4.96 | 112,814 |
