| New York City A-Z | 0 | - | 4.18 | 32,364 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,815 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,281 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,696 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,371 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,476 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,864 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,537 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,653 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,752 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,850 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,536 |
| Name a City - European Countries | 0 | - | 4.90 | 66,005 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,520 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,263 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,119 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,269 |
| Which City in California? | 0 | - | 4.56 | 32,138 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,301 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,866 |
| Europe Capital to Country | 0 | - | 4.99 | 251,733 |
| Asia Capital to Country | 0 | - | 4.96 | 127,257 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,741 |
| European Capitals by Map | 0 | - | 4.99 | 141,659 |
| African Capitals by Map | 0 | - | 4.99 | 141,735 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,735 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,705 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,039 |
| European Coastal Capitals | 0 | - | 4.95 | 91,157 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,101 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,031 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,445 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,087 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,306 |
| Official Cities in the UK | 0 | - | 4.89 | 285,713 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,937 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,177 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,546 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,359 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,041 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,204 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,688 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,085 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,450 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,927 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,290 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,491 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,396 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,826 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,619 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,667 |
| Which City in Texas? | 0 | - | 4.45 | 25,147 |
| Which City in Florida? | 0 | - | 4.61 | 11,021 |
| California A-Z | 0 | - | 4.49 | 28,830 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,768 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,667 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,900 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,674 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,504 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,946 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,368 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,170 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,549 |
| US States and State Capitals | 0 | - | 4.99 | 164,801 |
| Capitals of the Stans | 0 | - | 4.95 | 27,082 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,539 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,671 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,658 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,148 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,572 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,260 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,655 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,239 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,459 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,981 |
| Random European Capital to Country | 0 | - | 4.98 | 191,923 |
| Random European Country to Capital | 0 | - | 4.93 | 165,716 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,912 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,320 |
| Random African Capital to Country | 0 | - | 4.97 | 101,188 |
| Random African Country to Capital | 0 | - | 4.95 | 71,657 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,843 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,385 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,081 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,831 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,234 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,210 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,679 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,452 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,551 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,903 |
| Random U.S. City to State | 0 | - | 4.45 | 76,790 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,405 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,291 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,120 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,007 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,173 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,298 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,279 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,944 |
| Which City in Europe? | 0 | - | 4.83 | 107,791 |
| Chicago A-Z | 0 | - | 4.25 | 15,545 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,314 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,904 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,065 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,613 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,851 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,085 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,853 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,040 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,018 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,911 |
| Countries by Capital City | 0 | - | 5.00 | 69,170 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,713 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,091 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,683 |
| Moved Capital Cities | 0 | - | 4.96 | 74,562 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,094 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,760 |
| Random Country to Capital | 0 | - | 4.98 | 926,170 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,262 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,113 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,841 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,763 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,662 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,284 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,928 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,296 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,676 |
| Which City in Canada? | 0 | - | 4.83 | 57,292 |
| Boroughs of New York City | 0 | - | 4.47 | 84,890 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,105 |
| Rome A-Z | 0 | - | 4.40 | 24,533 |
| Paris A-Z | 0 | - | 4.16 | 17,482 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,579 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,658 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,505 |
| Australia A-Z | 0 | - | 4.54 | 50,112 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,102 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,327 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,509 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,406 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,212 |
| North American Sports Cities | 0 | - | 4.83 | 172,992 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,514 |
| Cities in European History #1 | 0 | - | 4.63 | 134,493 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,725 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,431 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,687 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,938 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,200 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,765 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,161 |
| ALL California Cities | 0 | - | 4.37 | 43,200 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,503 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,536 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,831 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,379 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,463 |
| Name a Valid World City | 0 | - | 4.84 | 71,810 |
| Cities by Former Name | 0 | - | 4.83 | 91,944 |
| Former Capitals | 0 | - | 4.88 | 71,626 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,629 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,913 |
| Capital Cities Chain | 0 | - | 4.84 | 83,237 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,713 |
| Coldest World Capitals | 0 | - | 4.95 | 134,089 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,689 |
| World Capitals by Map | 0 | - | 5.00 | 288,834 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,730 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,021 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,429 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,654 |
| Capitals Starting With H | 0 | - | 4.91 | 93,143 |
| Capitals Starting With K | 0 | - | 4.88 | 84,216 |
| Capitals Starting With L | 0 | - | 4.79 | 93,999 |
| Capitals Starting With M | 0 | - | 4.93 | 108,842 |
| Capitals Starting With P | 0 | - | 4.88 | 78,810 |
| Capitals Starting With R | 0 | - | 4.88 | 82,359 |
| Capitals Starting With S | 0 | - | 4.90 | 86,378 |
| Capitals Starting With T | 0 | - | 4.85 | 76,685 |
| Capitals Starting With W | 0 | - | 4.87 | 91,627 |
| Capitals Starting With A | 0 | - | 4.97 | 128,864 |
| Capitals Starting With B | 0 | - | 4.89 | 119,264 |
| Capitals Starting With D | 0 | - | 4.93 | 97,014 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,199 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,065 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,670 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,042 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,858 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,398 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,910 |
| India A-Z | 0 | - | 4.42 | 34,263 |
| Italy A-Z | 0 | - | 4.49 | 58,666 |
| China A-Z | 0 | - | 4.55 | 67,548 |
| Germany A-Z | 0 | - | 4.56 | 62,810 |
| Scotland A-Z | 0 | - | 4.73 | 41,417 |
