| New York City A-Z | 0 | - | 4.18 | 32,275 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,758 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,661 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,779 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,505 |
| Chicago A-Z | 0 | - | 4.25 | 15,497 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,486 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,531 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,440 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,442 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,851 |
| Which City in California? | 0 | - | 4.56 | 31,999 |
| Name a City - European Countries | 0 | - | 4.90 | 65,187 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,797 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,949 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,015 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,070 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,396 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,811 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,218 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,614 |
| Europe Capital to Country | 0 | - | 4.99 | 249,549 |
| Asia Capital to Country | 0 | - | 4.96 | 126,468 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,567 |
| European Capitals by Map | 0 | - | 4.99 | 138,543 |
| African Capitals by Map | 0 | - | 4.99 | 133,352 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,402 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,067 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,868 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,226 |
| European Coastal Capitals | 0 | - | 4.95 | 90,371 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,496 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,140 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,538 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,739 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,616 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,817 |
| Official Cities in the UK | 0 | - | 4.89 | 283,040 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,615 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,387 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,896 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,059 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,234 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,884 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,973 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,686 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,071 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,063 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,082 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,867 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,162 |
| US States and State Capitals | 0 | - | 4.99 | 161,251 |
| Which City in Texas? | 0 | - | 4.45 | 25,056 |
| Which City in Florida? | 0 | - | 4.61 | 10,978 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,018 |
| California A-Z | 0 | - | 4.49 | 28,773 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,062 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,641 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,928 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,012 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,348 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,770 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,896 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,687 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,055 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,265 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,701 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,190 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,830 |
| Confederate States of the U.S. Civil War | 0 | - | 4.90 | 129,127 |
| Capitals of the Stans | 0 | - | 4.95 | 26,738 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,320 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,789 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,256 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,383 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,378 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,031 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,565 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,202 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,958 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,296 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,543 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,901 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,470 |
| Random European Capital to Country | 0 | - | 4.98 | 190,619 |
| Random European Country to Capital | 0 | - | 4.93 | 164,559 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,190 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,592 |
| Random African Capital to Country | 0 | - | 4.97 | 100,478 |
| Random African Country to Capital | 0 | - | 4.94 | 71,087 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,777 |
| Which City in Europe? | 0 | - | 4.83 | 107,156 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,038 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,715 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,836 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| Random U.S. City to State | 0 | - | 4.45 | 76,107 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,724 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,205 |
| Find the City #1 | 0 | - | 4.97 | 42,678 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,936 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,229 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,258 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,949 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,603 |
| Countries by Capital City | 0 | - | 5.00 | 67,903 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,961 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,456 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,603 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,949 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,880 |
| Moved Capital Cities | 0 | - | 4.96 | 74,044 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,398 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,847 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,008 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,594 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,158 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,861 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,247 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,012 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,149 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,100 |
| Which City in Canada? | 0 | - | 4.82 | 56,942 |
| Boroughs of New York City | 0 | - | 4.47 | 84,476 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,986 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,764 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,979 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,119 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,635 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,715 |
| North American Sports Cities | 0 | - | 4.83 | 171,747 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,236 |
| Cities in European History #1 | 0 | - | 4.63 | 133,792 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,306 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,699 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,866 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,101 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,245 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,650 |
| Name a Valid World City | 0 | - | 4.83 | 70,926 |
| Cities by Former Name | 0 | - | 4.83 | 91,416 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,317 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,569 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,329 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,873 |
| World Capitals by Map | 0 | - | 5.00 | 285,581 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,149 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,918 |
| Random Country to Capital | 0 | - | 4.98 | 918,231 |
| Capitals Starting With H | 0 | - | 4.90 | 92,093 |
| Capitals Starting With K | 0 | - | 4.85 | 80,176 |
| Capitals Starting With L | 0 | - | 4.81 | 87,564 |
| Capitals Starting With M | 0 | - | 4.93 | 107,135 |
| Capitals Starting With P | 0 | - | 4.88 | 77,799 |
| Capitals Starting With R | 0 | - | 4.87 | 81,475 |
| Capitals Starting With S | 0 | - | 4.89 | 85,404 |
| Capitals Starting With T | 0 | - | 4.84 | 75,839 |
| Capitals Starting With W | 0 | - | 4.87 | 91,053 |
| Capitals Starting With A | 0 | - | 4.97 | 127,388 |
| Capitals Starting With B | 0 | - | 4.89 | 118,016 |
| Capitals Starting With D | 0 | - | 4.93 | 96,035 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,893 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,493 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,385 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,722 |
| Scotland A-Z | 0 | - | 4.73 | 41,228 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,629 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,128 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,417 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,496 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,006 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,613 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,341 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,695 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,643 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,511 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,441 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,468 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,411 |
| South American Cities on the Map | 0 | - | 4.56 | 35,384 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,777 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,565 |
| ALL California Cities | 0 | - | 4.37 | 42,986 |
| Random European City to Country | 0 | - | 4.69 | 117,455 |
| Random Asian City to Country | 0 | - | 4.56 | 44,457 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,688 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,182 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,741 |
