| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,649 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,985 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,914 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,193 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,226 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,671 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,934 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,554 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,846 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,636 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,057 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,073 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,060 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,897 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,658 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,867 |
| US States Quiz | 0 | - | 5.00 | 16,734,833 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,595 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,662 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,267 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,962 |
| Random U.S. City to State | 0 | - | 4.45 | 75,479 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,054 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,307 |
| Name a City - European Countries | 0 | - | 4.92 | 64,638 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,847 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,373 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,656 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,582 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,937 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,676 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,556 |
| Boroughs of New York City | 0 | - | 4.47 | 84,210 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,944 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,559 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,603 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,911 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,157 |
| U.S. States By Population | 0 | - | 4.92 | 152,530 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,602 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,989 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,727 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,841 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,017 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,120 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,034 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,351 |
| US States with an Empty Map | 0 | - | 5.00 | 619,919 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 94,978 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,779 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,175 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,213 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,546 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,133 |
| ALL California Cities | 0 | - | 4.37 | 42,878 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,400 |
| Europe Capital to Country | 0 | - | 4.99 | 248,349 |
| Asia Capital to Country | 0 | - | 4.96 | 125,932 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,780 |
| European Capitals by Map | 0 | - | 4.99 | 136,972 |
| African Capitals by Map | 0 | - | 4.99 | 132,448 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,460 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,409 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,790 |
| European Coastal Capitals | 0 | - | 4.95 | 89,934 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,265 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,541 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,287 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,490 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,953 |
| World Capitals Quiz | 0 | - | 5.00 | 5,040,184 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,813 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,384 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,878 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,106 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,849 |
| Official Cities in the UK | 0 | - | 4.89 | 281,186 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,303 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,926 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,486 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,799 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,559 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,338 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,317 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,807 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,676 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,881 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,934 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,058 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,135 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,402 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 10,908 |
| Capitals of the Stans | 0 | - | 4.95 | 26,505 |
| American TV Show Settings | 0 | - | 4.35 | 30,603 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,486 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,415 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,495 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,633 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,965 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,247 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,779 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,569 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,169 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,016 |
| US States and State Capitals | 0 | - | 4.99 | 159,219 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,813 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,486 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,988 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,349 |
| States of Mexico | 0 | - | 4.95 | 173,876 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,486 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,595 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,860 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,995 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,750 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,661 |
| South American Cities on the Map | 0 | - | 4.57 | 35,271 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,456 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,646 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,484 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,273 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,187 |
| Random European Capital to Country | 0 | - | 4.98 | 189,485 |
| Random European Country to Capital | 0 | - | 4.92 | 147,655 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,511 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,589 |
| Random African Capital to Country | 0 | - | 4.97 | 99,847 |
| Random African Country to Capital | 0 | - | 4.94 | 70,341 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,424 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,996 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,694 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,011 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,522 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,845 |
| Pixelated United States Map | 0 | - | 4.89 | 93,641 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,295 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,614 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,076 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,274 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,872 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,834 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,991 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,817 |
| Countries by Capital City | 0 | - | 5.00 | 67,052 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,529 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,053 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,973 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,847 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,530 |
| Moved Capital Cities | 0 | - | 4.96 | 73,731 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,366 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,724 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,027 |
| Which City in Europe? | 0 | - | 4.83 | 106,875 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,266 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,602 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,821 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,975 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,208 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,865 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,043 |
| New England States | 0 | - | 4.51 | 59,723 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,541 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,906 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,427 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.69 | 55,715 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,711 |
| U.S. States by Borders | 0 | - | 4.63 | 35,124 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 183,184 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,281 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,202 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,256 |
| North American Sports Cities | 0 | - | 4.83 | 171,098 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,975 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,590 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,480 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,884 |
| Name a Valid World City | 0 | - | 4.83 | 70,327 |
| Cities by Former Name | 0 | - | 4.84 | 91,103 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,794 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,333 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,208 |
| World Capitals by Map | 0 | - | 5.00 | 284,050 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,803 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,552 |
| Random Country to Capital | 0 | - | 4.98 | 913,132 |
| Capitals Starting With H | 0 | - | 4.90 | 91,514 |
| Capitals Starting With K | 0 | - | 4.85 | 75,823 |
| Capitals Starting With L | 0 | - | 4.81 | 86,988 |
| Capitals Starting With M | 0 | - | 4.93 | 106,323 |
| Capitals Starting With P | 0 | - | 4.88 | 77,320 |
| Capitals Starting With R | 0 | - | 4.87 | 81,089 |
| Capitals Starting With S | 0 | - | 4.89 | 84,946 |
| Capitals Starting With T | 0 | - | 4.84 | 75,416 |
| Capitals Starting With W | 0 | - | 4.89 | 90,736 |
| Capitals Starting With A | 0 | - | 4.97 | 126,733 |
| Capitals Starting With B | 0 | - | 4.89 | 117,447 |
| Capitals Starting With D | 0 | - | 4.93 | 95,541 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,975 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,043 |
