| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,954 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,407 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,916 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,913 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,777 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,543 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,350 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,805 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,009 |
| Name a City - European Countries | 0 | - | 4.90 | 66,133 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,476 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,618 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,617 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,304 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,433 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,018 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,993 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,095 |
| Europe Capital to Country | 0 | - | 4.99 | 252,005 |
| Asia Capital to Country | 0 | - | 4.96 | 127,359 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,926 |
| European Capitals by Map | 0 | - | 4.99 | 142,011 |
| African Capitals by Map | 0 | - | 4.99 | 142,070 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,849 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,877 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,833 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,148 |
| European Coastal Capitals | 0 | - | 4.95 | 91,276 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,170 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,561 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,707 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,149 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,915 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,828 |
| New York City A-Z | 0 | - | 4.18 | 32,376 |
| Official Cities in the UK | 0 | - | 4.89 | 286,127 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,290 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,447 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,089 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,209 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,555 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,069 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,373 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,565 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,451 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,923 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,690 |
| US States and State Capitals | 0 | - | 4.99 | 165,256 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,091 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,548 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,401 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,689 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,896 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,071 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,033 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,415 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,646 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,193 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,563 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,327 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,868 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,414 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,682 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,618 |
| Capitals of the Stans | 0 | - | 4.95 | 27,131 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,592 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,001 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,588 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,791 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,182 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,611 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,297 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,497 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,977 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,381 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,139 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,480 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,041 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,238 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,351 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,376 |
| Random European Capital to Country | 0 | - | 4.98 | 192,089 |
| Random European Country to Capital | 0 | - | 4.93 | 165,853 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,969 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,401 |
| Random African Capital to Country | 0 | - | 4.97 | 101,309 |
| Random African Country to Capital | 0 | - | 4.95 | 71,735 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,255 |
| Which City in Europe? | 0 | - | 4.83 | 107,870 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,785 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,931 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,253 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,630 |
| Random U.S. City to State | 0 | - | 4.45 | 76,879 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,874 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,437 |
| Find the City #1 | 0 | - | 4.97 | 43,320 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,314 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,952 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,177 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,195 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,097 |
| Countries by Capital City | 0 | - | 5.00 | 69,347 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,828 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,200 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,738 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,787 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,029 |
| Moved Capital Cities | 0 | - | 4.96 | 74,630 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,796 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,588 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,131 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,857 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,782 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,673 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,310 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,937 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,300 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,141 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,283 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,753 |
| Which City in Canada? | 0 | - | 4.83 | 57,351 |
| Which City in California? | 0 | - | 4.56 | 32,152 |
| Boroughs of New York City | 0 | - | 4.47 | 85,306 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,123 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,542 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,849 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,683 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,770 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,839 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 235,221 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,286 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,406 |
| North American Sports Cities | 0 | - | 4.83 | 173,108 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,553 |
| Cities in European History #1 | 0 | - | 4.63 | 134,582 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,445 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,874 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,949 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,214 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,512 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,929 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,470 |
| Name a Valid World City | 0 | - | 4.85 | 71,954 |
| Cities by Former Name | 0 | - | 4.83 | 92,029 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,678 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,970 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,804 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,794 |
| World Capitals by Map | 0 | - | 5.00 | 289,255 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,804 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,068 |
| Random Country to Capital | 0 | - | 4.98 | 927,659 |
| Capitals Starting With H | 0 | - | 4.91 | 93,316 |
| Capitals Starting With K | 0 | - | 4.89 | 84,385 |
| Capitals Starting With M | 0 | - | 4.94 | 109,153 |
| Capitals Starting With P | 0 | - | 4.88 | 78,985 |
| Capitals Starting With R | 0 | - | 4.88 | 82,489 |
| Capitals Starting With S | 0 | - | 4.90 | 86,558 |
| Capitals Starting With T | 0 | - | 4.85 | 76,819 |
| Capitals Starting With W | 0 | - | 4.87 | 91,725 |
| Capitals Starting With A | 0 | - | 4.97 | 129,082 |
| Capitals Starting With B | 0 | - | 4.89 | 119,481 |
| Capitals Starting With D | 0 | - | 4.94 | 97,186 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,213 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,087 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,701 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,071 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,438 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,890 |
| Which City in Texas? | 0 | - | 4.45 | 25,157 |
| Which City in Florida? | 0 | - | 4.61 | 11,031 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,141 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,880 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,355 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,991 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,661 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,840 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,824 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,105 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,845 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,774 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,495 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,673 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,727 |
| South American Cities on the Map | 0 | - | 4.52 | 35,547 |
| North America Cities by Map | 0 | - | 4.41 | 47,931 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,886 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,408 |
| ALL California Cities | 0 | - | 4.37 | 43,230 |
| Random European City to Country | 0 | - | 4.69 | 118,434 |
| Random Asian City to Country | 0 | - | 4.56 | 44,618 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,650 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,916 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,091 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,554 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,569 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,578 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,529 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,241 |
