| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,448 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,253 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,639 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,342 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,872 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,759 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,229 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,468 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,412 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,426 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,003 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,253 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,109 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,758 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,520 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,622 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,253 |
| US States Quiz | 0 | - | 5.00 | 16,963,525 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,186 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,277 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,095 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,921 |
| Random U.S. City to State | 0 | - | 4.45 | 76,767 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,398 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,023 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,268 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,390 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,623 |
| Name a City - European Countries | 0 | - | 4.90 | 65,967 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,204 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,961 |
| Random European Capital to Country | 0 | - | 4.98 | 191,863 |
| Random European Country to Capital | 0 | - | 4.93 | 165,683 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,889 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,281 |
| Random African Capital to Country | 0 | - | 4.97 | 101,166 |
| Random African Country to Capital | 0 | - | 4.94 | 71,634 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,060 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,662 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,812 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 112,035 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,049 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,701 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,058 |
| U.S. States By Population | 0 | - | 4.92 | 153,973 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,006 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,765 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,730 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,451 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,962 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,650 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,214 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,239 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Boroughs of New York City | 0 | - | 4.47 | 84,868 |
| US States with an Empty Map | 0 | - | 5.00 | 627,534 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,266 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| Europe Capital to Country | 0 | - | 4.99 | 251,644 |
| Asia Capital to Country | 0 | - | 4.96 | 127,226 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,685 |
| European Capitals by Map | 0 | - | 4.99 | 141,505 |
| African Capitals by Map | 0 | - | 4.99 | 141,569 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,650 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,670 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,008 |
| European Coastal Capitals | 0 | - | 4.95 | 91,119 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,089 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,882 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,364 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,066 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,657 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,283 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,092 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,445 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,797 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,125 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,911 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,667 |
| ALL California Cities | 0 | - | 4.37 | 43,191 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,996 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,200 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,665 |
| Official Cities in the UK | 0 | - | 4.89 | 285,537 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,876 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,576 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,027 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,430 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,879 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,270 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,476 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,803 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,595 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,332 |
| Capitals of the Stans | 0 | - | 4.95 | 27,067 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,287 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,665 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,086 |
| American TV Show Settings | 0 | - | 4.37 | 30,690 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,738 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,504 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,312 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,025 |
| US States and State Capitals | 0 | - | 4.99 | 164,659 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,173 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,830 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,445 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,340 |
| States of Mexico | 0 | - | 4.96 | 177,665 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,590 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,458 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,059 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,868 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,831 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,067 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,293 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,877 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,761 |
| South American Cities on the Map | 0 | - | 4.52 | 35,526 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,017 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,570 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,920 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,940 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,827 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,009 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,951 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,834 |
| Countries by Capital City | 0 | - | 5.00 | 69,113 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,684 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,074 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,193 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,646 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,733 |
| Moved Capital Cities | 0 | - | 4.96 | 74,546 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,753 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,017 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,286 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,254 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,544 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,888 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,768 |
| Pixelated United States Map | 0 | - | 4.88 | 94,659 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,162 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,288 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,247 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,835 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,377 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,814 |
| Which City in Europe? | 0 | - | 4.83 | 107,771 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,543 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,986 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,344 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,812 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,293 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,333 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,928 |
| New England States | 0 | - | 4.51 | 59,875 |
| U.S. States by Land Area | 0 | - | 4.63 | 52,997 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,093 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,041 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,227 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,087 |
| U.S. States by Borders | 0 | - | 4.61 | 35,433 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,088 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,642 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,267 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,300 |
| North American Sports Cities | 0 | - | 4.83 | 172,963 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| Cities in European History #1 | 0 | - | 4.63 | 134,458 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,901 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,428 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,936 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,608 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,193 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,809 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,347 |
| Name a Valid World City | 0 | - | 4.84 | 71,776 |
| Cities by Former Name | 0 | - | 4.83 | 91,918 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,610 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,894 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,654 |
| World Capitals by Map | 0 | - | 5.00 | 288,697 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,692 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,631 |
| Random Country to Capital | 0 | - | 4.98 | 925,716 |
| Capitals Starting With H | 0 | - | 4.91 | 93,008 |
| Capitals Starting With K | 0 | - | 4.88 | 84,058 |
