| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,716 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,439 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,178 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,576 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,305 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,886 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,810 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,479 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,249 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 148,511 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,895 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,998 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,433 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,946 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,868 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,099 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,709 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,523 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,853 |
| Name a City - European Countries | 0 | - | 4.90 | 65,931 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,378 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,301 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,511 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,588 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,131 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,248 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,630 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,787 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,234 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,770 |
| Random U.S. City to State | 0 | - | 4.45 | 76,743 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,483 |
| Europe Capital to Country | 0 | - | 4.99 | 251,527 |
| Asia Capital to Country | 0 | - | 4.96 | 127,160 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,632 |
| European Capitals by Map | 0 | - | 4.99 | 141,348 |
| African Capitals by Map | 0 | - | 4.99 | 141,318 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,556 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,619 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,969 |
| European Coastal Capitals | 0 | - | 4.95 | 91,074 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,066 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,704 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,249 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,048 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,664 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,283 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,079 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,126 |
| Official Cities in the UK | 0 | - | 4.89 | 285,410 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,144 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,312 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,902 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,423 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,957 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,385 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,804 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,235 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,457 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,369 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,759 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,565 |
| Which City in Canada? | 0 | - | 4.83 | 57,260 |
| US States Quiz | 0 | - | 5.00 | 16,957,680 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,686 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,466 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,496 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,313 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,848 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,674 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,823 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,218 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,081 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,242 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,105 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,837 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,754 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,423 |
| Boroughs of New York City | 0 | - | 4.47 | 84,857 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,127 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,695 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,598 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,428 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,318 |
| States of Mexico | 0 | - | 4.96 | 177,536 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,189 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,042 |
| Capitals of the Stans | 0 | - | 4.95 | 27,052 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 73,032 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,816 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,791 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,946 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,260 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,824 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,723 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,655 |
| South American Cities on the Map | 0 | - | 4.52 | 35,518 |
| ALL California Cities | 0 | - | 4.37 | 43,183 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,554 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,332 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,439 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,750 |
| Random European Capital to Country | 0 | - | 4.98 | 191,809 |
| Random European Country to Capital | 0 | - | 4.93 | 165,657 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,871 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,253 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,600 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,172 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,048 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,656 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,026 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,948 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,854 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,239 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,219 |
| Canada Country Quiz | 0 | - | 4.54 | 132,868 |
| Canada Cities Map Quiz | 0 | - | 4.64 | 124,489 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,759 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 334,365 |
| Pixelated United States Map | 0 | - | 4.88 | 94,636 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,759 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,969 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,980 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,630 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,983 |
| U.S. States By Population | 0 | - | 4.92 | 153,940 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,964 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,741 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,693 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,434 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,944 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,547 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,958 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,889 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,787 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,975 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,906 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,772 |
| Countries by Capital City | 0 | - | 5.00 | 69,052 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,630 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,039 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,034 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,108 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,621 |
| Moved Capital Cities | 0 | - | 4.96 | 74,517 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,108 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,243 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,211 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,737 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,620 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,206 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,236 |
| Which City in Europe? | 0 | - | 4.83 | 107,750 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,948 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,289 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,262 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,324 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,900 |
| US States with an Empty Map | 0 | - | 5.00 | 627,338 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,738 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,080 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,864 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,275 |
| American TV Show Settings | 0 | - | 4.35 | 30,686 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,993 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,018 |
| Random Country to Capital | 0 | - | 4.98 | 925,304 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,655 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,280 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,091 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,959 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,624 |
| O Canada Lyrics | 0 | - | 4.47 | 51,028 |
| Canadian Prime Ministers | 0 | - | 4.64 | 57,792 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,269 |
| North American Sports Cities | 0 | - | 4.83 | 172,925 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,483 |
| Cities in European History #1 | 0 | - | 4.63 | 134,428 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,420 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,848 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,932 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,187 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,568 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,919 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,777 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,320 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,571 |
| Name a Valid World City | 0 | - | 4.84 | 71,720 |
| Cities by Former Name | 0 | - | 4.83 | 91,888 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,594 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,871 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,607 |
| World Capitals by Map | 0 | - | 5.00 | 288,520 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,665 |
| Capitals Starting With H | 0 | - | 4.91 | 92,902 |
| Capitals Starting With K | 0 | - | 4.88 | 83,956 |
| Capitals Starting With L | 0 | - | 4.81 | 88,409 |
