| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,079 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,263 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,384 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,470 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,429 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,845 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,997 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,749 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,139 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,052 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,969 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,340 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,156 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,148 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,775 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,948 |
| US States Quiz | 0 | - | 5.00 | 16,784,802 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,171 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,753 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,092 |
| Random U.S. City to State | 0 | - | 4.45 | 75,780 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,458 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,867 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,291 |
| Name a City - European Countries | 0 | - | 4.91 | 64,908 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,943 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,394 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,949 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,952 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,401 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,631 |
| U.S. States By Population | 0 | - | 4.92 | 152,804 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,926 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,188 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,977 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,997 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,288 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,330 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,185 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,726 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,973 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,713 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,603 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,370 |
| Boroughs of New York City | 0 | - | 4.47 | 84,341 |
| US States with an Empty Map | 0 | - | 5.00 | 621,528 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,134 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,495 |
| Europe Capital to Country | 0 | - | 4.99 | 248,980 |
| Asia Capital to Country | 0 | - | 4.96 | 126,203 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,196 |
| European Capitals by Map | 0 | - | 4.99 | 137,827 |
| African Capitals by Map | 0 | - | 4.99 | 132,897 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,753 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,642 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,010 |
| European Coastal Capitals | 0 | - | 4.95 | 90,152 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,369 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,339 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,959 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,602 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,987 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,381 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,116 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,547 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,329 |
| ALL California Cities | 0 | - | 4.37 | 42,941 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,427 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,815 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,837 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,549 |
| Official Cities in the UK | 0 | - | 4.89 | 282,237 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,119 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,331 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,017 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,723 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,679 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,536 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,942 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,862 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,013 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,093 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,089 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,154 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,864 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,435 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,907 |
| Capitals of the Stans | 0 | - | 4.95 | 26,615 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,006 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,518 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,333 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,391 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,643 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,683 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,233 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,684 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,686 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,928 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,589 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,195 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,028 |
| US States and State Capitals | 0 | - | 4.99 | 160,355 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,078 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,392 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,207 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,595 |
| States of Mexico | 0 | - | 4.95 | 174,807 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,912 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,322 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,748 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,827 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,044 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,292 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,130 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,858 |
| South American Cities on the Map | 0 | - | 4.56 | 35,318 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,502 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,485 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,713 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,500 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,627 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,068 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,086 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,348 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,208 |
| Countries by Capital City | 0 | - | 5.00 | 67,520 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,769 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,268 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,793 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,723 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,367 |
| Moved Capital Cities | 0 | - | 4.96 | 73,901 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,358 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,171 |
| Random European Capital to Country | 0 | - | 4.98 | 190,044 |
| Random European Country to Capital | 0 | - | 4.92 | 156,433 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,813 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,909 |
| Random African Capital to Country | 0 | - | 4.97 | 100,127 |
| Random African Country to Capital | 0 | - | 4.94 | 70,660 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,647 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,383 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,038 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,281 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,187 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,752 |
| Pixelated United States Map | 0 | - | 4.89 | 93,844 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,913 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,511 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,810 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,269 |
| Which City in Europe? | 0 | - | 4.83 | 107,018 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,329 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,853 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,178 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,136 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,432 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,956 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,213 |
| New England States | 0 | - | 4.51 | 59,759 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,655 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 37,954 |
| Add a Letter - Make a U.S. State | 0 | - | 4.72 | 82,574 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,838 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,794 |
| U.S. States by Borders | 0 | - | 4.63 | 35,203 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 184,042 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,373 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,832 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,439 |
| North American Sports Cities | 0 | - | 4.83 | 171,419 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,048 |
| Cities in European History #1 | 0 | - | 4.63 | 133,567 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,655 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,267 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,649 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,842 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,505 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,077 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,053 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,482 |
| Name a Valid World City | 0 | - | 4.83 | 70,649 |
| Cities by Former Name | 0 | - | 4.84 | 91,286 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,224 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,458 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,548 |
| World Capitals by Map | 0 | - | 5.00 | 284,882 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,993 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,607 |
| Random Country to Capital | 0 | - | 4.98 | 915,260 |
| Capitals Starting With H | 0 | - | 4.90 | 91,750 |
| Capitals Starting With K | 0 | - | 4.85 | 75,954 |
| Capitals Starting With L | 0 | - | 4.81 | 87,165 |
| Capitals Starting With M | 0 | - | 4.93 | 106,615 |
| Capitals Starting With P | 0 | - | 4.88 | 77,464 |
| Capitals Starting With R | 0 | - | 4.87 | 81,248 |
| Capitals Starting With S | 0 | - | 4.89 | 85,091 |
| Capitals Starting With T | 0 | - | 4.84 | 75,579 |
| Capitals Starting With W | 0 | - | 4.87 | 90,868 |
| Capitals Starting With A | 0 | - | 4.97 | 126,968 |
