| New York City A-Z | 0 | - | 4.18 | 32,247 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,555 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,487 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,165 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,335 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,958 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,073 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,242 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,722 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,386 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,588 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,497 |
| Name a City - European Countries | 0 | - | 4.91 | 64,985 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,894 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,023 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,980 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,126 |
| Which City in California? | 0 | - | 4.56 | 31,976 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,199 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,583 |
| Europe Capital to Country | 0 | - | 4.99 | 249,110 |
| Asia Capital to Country | 0 | - | 4.96 | 126,253 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,301 |
| European Capitals by Map | 0 | - | 4.99 | 138,018 |
| African Capitals by Map | 0 | - | 4.99 | 132,976 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,824 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,695 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,069 |
| European Coastal Capitals | 0 | - | 4.95 | 90,198 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,387 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,493 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,097 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,638 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,220 |
| Official Cities in the UK | 0 | - | 4.89 | 282,422 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,754 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,122 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,417 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,327 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,718 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,493 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,576 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,482 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,072 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,769 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,765 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,571 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,971 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,952 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,910 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,057 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,700 |
| Which City in Texas? | 0 | - | 4.45 | 25,038 |
| Which City in Florida? | 0 | - | 4.61 | 10,962 |
| California A-Z | 0 | - | 4.49 | 28,749 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,451 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,756 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,395 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,160 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,247 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,791 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,234 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,787 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,035 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,689 |
| US States and State Capitals | 0 | - | 4.99 | 160,567 |
| Capitals of the Stans | 0 | - | 4.95 | 26,649 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,177 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,529 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,201 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,800 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,316 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,971 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,430 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,335 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,002 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,256 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,414 |
| Random European Capital to Country | 0 | - | 4.98 | 190,247 |
| Random European Country to Capital | 0 | - | 4.93 | 161,345 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,947 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,046 |
| Random African Capital to Country | 0 | - | 4.97 | 100,247 |
| Random African Country to Capital | 0 | - | 4.94 | 70,835 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,662 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,151 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,495 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,754 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,995 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,802 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,884 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,129 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,173 |
| Random U.S. City to State | 0 | - | 4.45 | 75,843 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,148 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,013 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,924 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,859 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,553 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,835 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,314 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,750 |
| Which City in Europe? | 0 | - | 4.83 | 107,059 |
| Chicago A-Z | 0 | - | 4.25 | 15,488 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,674 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,575 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,515 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,694 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,692 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,104 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,133 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,675 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,299 |
| Countries by Capital City | 0 | - | 5.00 | 67,616 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,821 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,315 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,769 |
| Moved Capital Cities | 0 | - | 4.96 | 73,933 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,367 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,237 |
| Random Country to Capital | 0 | - | 4.98 | 916,003 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,757 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,982 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,721 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,614 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,578 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,134 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,850 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,236 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,961 |
| Which City in Canada? | 0 | - | 4.82 | 56,891 |
| Boroughs of New York City | 0 | - | 4.47 | 84,381 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,945 |
| Rome A-Z | 0 | - | 4.39 | 24,448 |
| Paris A-Z | 0 | - | 4.16 | 17,422 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,851 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,003 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,440 |
| Australia A-Z | 0 | - | 4.54 | 49,893 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,770 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,489 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,547 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,082 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,997 |
| North American Sports Cities | 0 | - | 4.83 | 171,522 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,077 |
| Cities in European History #1 | 0 | - | 4.63 | 133,609 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,452 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,274 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,665 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,343 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,846 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,084 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,613 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,111 |
| ALL California Cities | 0 | - | 4.37 | 42,954 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,341 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,191 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,100 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,536 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,586 |
| Name a Valid World City | 0 | - | 4.83 | 70,735 |
| Cities by Former Name | 0 | - | 4.84 | 91,314 |
| Former Capitals | 0 | - | 4.88 | 71,314 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,254 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,483 |
| Capital Cities Chain | 0 | - | 4.84 | 82,318 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,219 |
| Coldest World Capitals | 0 | - | 4.95 | 133,252 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,635 |
| World Capitals by Map | 0 | - | 5.00 | 285,036 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,023 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,233 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,489 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,094 |
| Capitals Starting With H | 0 | - | 4.90 | 91,796 |
| Capitals Starting With K | 0 | - | 4.85 | 75,992 |
| Capitals Starting With L | 0 | - | 4.81 | 87,205 |
| Capitals Starting With M | 0 | - | 4.93 | 106,674 |
| Capitals Starting With P | 0 | - | 4.88 | 77,499 |
| Capitals Starting With R | 0 | - | 4.87 | 81,276 |
| Capitals Starting With S | 0 | - | 4.89 | 85,125 |
| Capitals Starting With T | 0 | - | 4.84 | 75,608 |
| Capitals Starting With W | 0 | - | 4.87 | 90,894 |
| Capitals Starting With A | 0 | - | 4.97 | 127,032 |
| Capitals Starting With B | 0 | - | 4.89 | 117,698 |
| Capitals Starting With D | 0 | - | 4.93 | 95,770 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,003 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,873 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,451 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,918 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,372 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,679 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,447 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,617 |
| India A-Z | 0 | - | 4.42 | 34,045 |
| Italy A-Z | 0 | - | 4.49 | 58,063 |
| China A-Z | 0 | - | 4.55 | 67,012 |
| Germany A-Z | 0 | - | 4.56 | 62,488 |
| Scotland A-Z | 0 | - | 4.73 | 41,173 |
