| New York City A-Z | 0 | - | 4.18 | 32,357 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,733 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,191 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,900 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,535 |
| Chicago A-Z | 0 | - | 4.25 | 15,542 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,604 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,321 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,442 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,119 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,721 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,769 |
| Which City in California? | 0 | - | 4.56 | 32,132 |
| Name a City - European Countries | 0 | - | 4.90 | 65,949 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,054 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,115 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,489 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,251 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,250 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,790 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,905 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,008 |
| Europe Capital to Country | 0 | - | 4.99 | 251,576 |
| Asia Capital to Country | 0 | - | 4.96 | 127,201 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,652 |
| European Capitals by Map | 0 | - | 4.99 | 141,420 |
| African Capitals by Map | 0 | - | 4.99 | 141,429 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,608 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,641 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,984 |
| European Coastal Capitals | 0 | - | 4.95 | 91,092 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,071 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,756 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,302 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,056 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,174 |
| Official Cities in the UK | 0 | - | 4.89 | 285,464 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,150 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,538 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,326 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,885 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,465 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,984 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,404 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,845 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,250 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,465 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,375 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,773 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,487 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,580 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,592 |
| US States and State Capitals | 0 | - | 4.99 | 164,607 |
| Which City in Texas? | 0 | - | 4.45 | 25,143 |
| Which City in Florida? | 0 | - | 4.61 | 11,018 |
| California A-Z | 0 | - | 4.49 | 28,826 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,443 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,275 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,662 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,701 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,388 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,860 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,843 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,454 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,863 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,264 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,117 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,435 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,116 |
| Capitals of the Stans | 0 | - | 4.95 | 27,058 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,514 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,599 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,133 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,556 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,484 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,648 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,154 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,444 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,951 |
| Random European Capital to Country | 0 | - | 4.98 | 191,840 |
| Random European Country to Capital | 0 | - | 4.93 | 165,667 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,878 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,269 |
| Random African Capital to Country | 0 | - | 4.97 | 101,146 |
| Random African Country to Capital | 0 | - | 4.94 | 71,611 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,833 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,364 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,986 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,527 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,628 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,397 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,351 |
| Random U.S. City to State | 0 | - | 4.45 | 76,755 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,393 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,095 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,110 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,995 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,152 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,276 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,220 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,110 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,260 |
| Which City in Europe? | 0 | - | 4.83 | 107,760 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,088 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,278 |
| North American Sports Cities | 0 | - | 4.83 | 172,944 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,496 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,895 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,992 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,607 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,790 |
| Name a Valid World City | 0 | - | 4.84 | 71,741 |
| Find the City #1 | 0 | - | 4.97 | 43,213 |
| Cities by Former Name | 0 | - | 4.83 | 91,900 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,599 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,907 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,800 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,878 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,989 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,923 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,800 |
| Countries by Capital City | 0 | - | 5.00 | 69,081 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,651 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,057 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,688 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,631 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,624 |
| Moved Capital Cities | 0 | - | 4.96 | 74,524 |
| World Capitals by Map | 0 | - | 5.00 | 288,588 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,675 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,301 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,742 |
| Random Country to Capital | 0 | - | 4.98 | 925,492 |
| Capitals Starting With H | 0 | - | 4.91 | 92,917 |
| Capitals Starting With K | 0 | - | 4.88 | 83,971 |
| Capitals Starting With L | 0 | - | 4.81 | 88,427 |
| Capitals Starting With M | 0 | - | 4.93 | 108,401 |
| Capitals Starting With P | 0 | - | 4.88 | 78,542 |
| Capitals Starting With R | 0 | - | 4.87 | 82,140 |
| Capitals Starting With S | 0 | - | 4.90 | 86,133 |
| Capitals Starting With T | 0 | - | 4.85 | 76,468 |
| Capitals Starting With W | 0 | - | 4.87 | 91,491 |
| Capitals Starting With A | 0 | - | 4.97 | 128,557 |
| Capitals Starting With B | 0 | - | 4.89 | 118,953 |
| Capitals Starting With D | 0 | - | 4.93 | 96,821 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,243 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,107 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,839 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,756 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,659 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,178 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,280 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,924 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,293 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,633 |
| Which City in Canada? | 0 | - | 4.83 | 57,269 |
| Boroughs of New York City | 0 | - | 4.47 | 84,861 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,098 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,825 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,542 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,609 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,419 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,335 |
| Cities in European History #1 | 0 | - | 4.63 | 134,434 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,700 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,424 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,851 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,661 |
| North America Cities by Map | 0 | - | 4.41 | 47,899 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,934 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,188 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,711 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,046 |
| ALL California Cities | 0 | - | 4.37 | 43,185 |
| Random European City to Country | 0 | - | 4.69 | 118,260 |
| Random Asian City to Country | 0 | - | 4.56 | 44,585 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,489 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,331 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,418 |
| Former Capitals | 0 | - | 4.88 | 71,610 |
| Capital Cities Chain | 0 | - | 4.84 | 83,183 |
| Coldest World Capitals | 0 | - | 4.95 | 134,063 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,963 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,227 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,362 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,504 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,052 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,659 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,030 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,849 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,295 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,839 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,499 |
| Scotland A-Z | 0 | - | 4.73 | 41,405 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,049 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,651 |
