| New York City A-Z | 0 | - | 4.18 | 32,368 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,876 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,341 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,909 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,537 |
| Chicago A-Z | 0 | - | 4.25 | 15,547 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,773 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,448 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,496 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,499 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,771 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,922 |
| Which City in California? | 0 | - | 4.56 | 32,142 |
| Name a City - European Countries | 0 | - | 4.90 | 66,055 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,914 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,976 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,561 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,282 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,356 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,932 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,963 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,063 |
| Europe Capital to Country | 0 | - | 4.99 | 251,842 |
| Asia Capital to Country | 0 | - | 4.96 | 127,305 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,800 |
| European Capitals by Map | 0 | - | 4.99 | 141,834 |
| African Capitals by Map | 0 | - | 4.99 | 141,876 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,414 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,811 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,748 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,080 |
| European Coastal Capitals | 0 | - | 4.95 | 91,209 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,128 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,224 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,536 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,115 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,645 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,748 |
| Official Cities in the UK | 0 | - | 4.89 | 285,888 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,211 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,550 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,381 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,828 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,133 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,495 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,986 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,323 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,517 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,422 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,856 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,572 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,649 |
| US States and State Capitals | 0 | - | 4.99 | 164,976 |
| Which City in New York State? | 0 | - | 4.60 | 16,046 |
| Which City in Texas? | 0 | - | 4.45 | 25,150 |
| Which City in Florida? | 0 | - | 4.61 | 11,026 |
| Random U.S. States on a Map | 0 | - | 4.96 | 629,687 |
| California A-Z | 0 | - | 4.49 | 28,838 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,509 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,341 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,676 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,828 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,822 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,957 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,958 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,581 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,041 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,450 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,234 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,853 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,398 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,609 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,587 |
| Capitals of the Stans | 0 | - | 4.95 | 27,094 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,512 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,751 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,560 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,701 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,164 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,588 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,279 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,489 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,566 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,287 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,131 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,468 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,999 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,192 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,323 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,311 |
| Random European Capital to Country | 0 | - | 4.98 | 191,999 |
| Random European Country to Capital | 0 | - | 4.93 | 165,785 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,932 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,343 |
| Random African Capital to Country | 0 | - | 4.97 | 101,248 |
| Random African Country to Capital | 0 | - | 4.95 | 71,682 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,149 |
| Which City in Europe? | 0 | - | 4.83 | 107,820 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,719 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,917 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,147 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,617 |
| Random U.S. City to State | 0 | - | 4.45 | 76,814 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,858 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,419 |
| Find the City #1 | 0 | - | 4.97 | 43,274 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,228 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,887 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,093 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,087 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,997 |
| Countries by Capital City | 0 | - | 5.00 | 69,237 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,764 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,147 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,487 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,735 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,014 |
| Moved Capital Cities | 0 | - | 4.96 | 74,589 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,774 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,476 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,120 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,848 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,774 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,667 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,295 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,932 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,297 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,128 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,274 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,702 |
| Which City in Canada? | 0 | - | 4.83 | 57,322 |
| Boroughs of New York City | 0 | - | 4.47 | 84,910 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,115 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,841 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,624 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,705 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,562 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,120 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,362 |
| North American Sports Cities | 0 | - | 4.83 | 173,040 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,528 |
| Cities in European History #1 | 0 | - | 4.63 | 134,525 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,437 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,863 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,945 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,204 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,504 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,865 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,420 |
| Name a Valid World City | 0 | - | 4.85 | 71,878 |
| Cities by Former Name | 0 | - | 4.83 | 91,976 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,652 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,938 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,742 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,731 |
| World Capitals by Map | 0 | - | 5.00 | 289,017 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,763 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,855 |
| Random Country to Capital | 0 | - | 4.98 | 926,821 |
| Capitals Starting With H | 0 | - | 4.91 | 93,235 |
| Capitals Starting With K | 0 | - | 4.89 | 84,308 |
| Capitals Starting With M | 0 | - | 4.94 | 109,010 |
| Capitals Starting With P | 0 | - | 4.88 | 78,910 |
| Capitals Starting With R | 0 | - | 4.88 | 82,434 |
| Capitals Starting With S | 0 | - | 4.90 | 86,481 |
| Capitals Starting With T | 0 | - | 4.85 | 76,759 |
| Capitals Starting With W | 0 | - | 4.87 | 91,680 |
| Capitals Starting With A | 0 | - | 4.97 | 128,986 |
| Capitals Starting With B | 0 | - | 4.89 | 119,384 |
| Capitals Starting With D | 0 | - | 4.94 | 97,102 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,204 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,076 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,683 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,055 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,433 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,871 |
| Scotland A-Z | 0 | - | 4.73 | 41,430 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,103 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,642 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,179 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,874 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,538 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,769 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,790 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,989 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,827 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,749 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,492 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,655 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,700 |
| South American Cities on the Map | 0 | - | 4.52 | 35,535 |
| North America Cities by Map | 0 | - | 4.41 | 47,920 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,812 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,270 |
| ALL California Cities | 0 | - | 4.37 | 43,211 |
| Random European City to Country | 0 | - | 4.69 | 118,365 |
| Random Asian City to Country | 0 | - | 4.56 | 44,606 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,580 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,848 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,064 |
