| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,276 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,463 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,477 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,436 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,850 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,003 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,755 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,145 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,507 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,061 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,996 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,361 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,159 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,155 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,780 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,949 |
| US States Quiz | 0 | - | 5.00 | 16,785,921 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,689 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,418 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,182 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,756 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,095 |
| Random U.S. City to State | 0 | - | 4.45 | 75,784 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,464 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,907 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,326 |
| Name a City - European Countries | 0 | - | 4.91 | 64,921 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,947 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,045 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,287 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,188 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,401 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,955 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,957 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,410 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,640 |
| U.S. States By Population | 0 | - | 4.92 | 152,818 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,928 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,190 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,979 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,002 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,294 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,331 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,187 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,729 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,974 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,717 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,604 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,370 |
| Boroughs of New York City | 0 | - | 4.47 | 84,351 |
| US States with an Empty Map | 0 | - | 5.00 | 621,558 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,148 |
| Europe Capital to Country | 0 | - | 4.99 | 248,999 |
| Asia Capital to Country | 0 | - | 4.96 | 126,209 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,209 |
| European Capitals by Map | 0 | - | 4.99 | 137,850 |
| African Capitals by Map | 0 | - | 4.99 | 132,904 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,755 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,650 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,020 |
| European Coastal Capitals | 0 | - | 4.95 | 90,162 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,371 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,350 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,977 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,605 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,989 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,438 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,390 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,127 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,558 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,330 |
| 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 | 5,052,026 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,850 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,556 |
| Official Cities in the UK | 0 | - | 4.89 | 282,249 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,123 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,356 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,019 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,730 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,693 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,538 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,945 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,868 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,016 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,100 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,090 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,158 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,866 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,441 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,908 |
| Capitals of the Stans | 0 | - | 4.95 | 26,617 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,007 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,520 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,333 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,494 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,649 |
| American TV Show Settings | 0 | - | 4.35 | 30,614 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,255 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,686 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,698 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,932 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,593 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,197 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,030 |
| US States and State Capitals | 0 | - | 4.99 | 160,377 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,085 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,208 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,598 |
| States of Mexico | 0 | - | 4.95 | 174,826 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,939 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,322 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,755 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,832 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,048 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,301 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,138 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,861 |
| South American Cities on the Map | 0 | - | 4.56 | 35,321 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,511 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,486 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,713 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,612 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,502 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,636 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,071 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,091 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,353 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,222 |
| Countries by Capital City | 0 | - | 5.00 | 67,530 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,770 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,272 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,807 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,727 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,368 |
| Moved Capital Cities | 0 | - | 4.96 | 73,901 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,369 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,181 |
| Random European Capital to Country | 0 | - | 4.98 | 190,077 |
| Random European Country to Capital | 0 | - | 4.92 | 157,518 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,856 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,930 |
| Random African Capital to Country | 0 | - | 4.97 | 100,134 |
| Random African Country to Capital | 0 | - | 4.94 | 70,668 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,652 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,384 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,757 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.75 | 59,806 |
| Pixelated United States Map | 0 | - | 4.89 | 93,848 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,916 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,512 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,812 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,276 |
| Which City in Europe? | 0 | - | 4.83 | 107,024 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,329 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,862 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,418 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,192 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,138 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,958 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,215 |
| New England States | 0 | - | 4.51 | 59,759 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,656 |
| 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 | 82,577 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 55,839 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,794 |
| U.S. States by Borders | 0 | - | 4.63 | 35,205 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 184,136 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,374 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 101,839 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,445 |
| North American Sports Cities | 0 | - | 4.83 | 171,432 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,052 |
| Cities in European History #1 | 0 | - | 4.63 | 133,572 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,657 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,268 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,651 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,843 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,509 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,078 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,058 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,489 |
| Name a Valid World City | 0 | - | 4.83 | 70,656 |
| Cities by Former Name | 0 | - | 4.84 | 91,289 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,225 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,459 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,553 |
| World Capitals by Map | 0 | - | 5.00 | 284,895 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,993 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,672 |
| Random Country to Capital | 0 | - | 4.98 | 915,327 |
| Capitals Starting With H | 0 | - | 4.90 | 91,754 |
| Capitals Starting With K | 0 | - | 4.85 | 75,961 |
| Capitals Starting With L | 0 | - | 4.81 | 87,171 |
| Capitals Starting With M | 0 | - | 4.93 | 106,621 |
| Capitals Starting With P | 0 | - | 4.88 | 77,469 |
| Capitals Starting With R | 0 | - | 4.87 | 81,254 |
| Capitals Starting With S | 0 | - | 4.89 | 85,095 |
