| New York City A-Z | 0 | - | 4.18 | 32,242 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,445 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,098 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,282 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,933 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,519 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,930 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,365 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,371 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,494 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,483 |
| Name a City - European Countries | 0 | - | 4.91 | 64,934 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,855 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,007 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,975 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,117 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,153 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,519 |
| Europe Capital to Country | 0 | - | 4.99 | 249,010 |
| Asia Capital to Country | 0 | - | 4.96 | 126,214 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,218 |
| European Capitals by Map | 0 | - | 4.99 | 137,862 |
| African Capitals by Map | 0 | - | 4.99 | 132,909 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,759 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,657 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,022 |
| European Coastal Capitals | 0 | - | 4.95 | 90,165 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,375 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,366 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,997 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,608 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,167 |
| Official Cities in the UK | 0 | - | 4.89 | 282,272 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,321 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,468 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,390 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,369 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,024 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,732 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,704 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,543 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,947 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,872 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,019 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,657 |
| Which City in Texas? | 0 | - | 4.45 | 25,035 |
| Which City in California? | 0 | - | 4.56 | 31,974 |
| California A-Z | 0 | - | 4.49 | 28,747 |
| British Places A-Z | 0 | - | 4.29 | 79,751 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,693 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,273 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,129 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,236 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,766 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,709 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,655 |
| US States and State Capitals | 0 | - | 4.99 | 160,390 |
| Capitals of the Stans | 0 | - | 4.95 | 26,618 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,161 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,523 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,157 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,782 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,303 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,949 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,570 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,951 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,248 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,376 |
| Random European Capital to Country | 0 | - | 4.98 | 190,118 |
| Random European Country to Capital | 0 | - | 4.92 | 158,655 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,871 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,971 |
| Random African Capital to Country | 0 | - | 4.97 | 100,144 |
| Random African Country to Capital | 0 | - | 4.94 | 70,682 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,655 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,137 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,395 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,750 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,974 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,781 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,849 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,064 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,005 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,097 |
| Random U.S. City to State | 0 | - | 4.45 | 75,786 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,126 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,820 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,920 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,854 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,514 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,812 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,280 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,739 |
| Which City in Europe? | 0 | - | 4.83 | 107,026 |
| Which City in Florida? | 0 | - | 4.61 | 10,958 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,660 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,515 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,511 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,686 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,552 |
| Find the City #1 | 0 | - | 4.97 | 42,506 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,641 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,073 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,095 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,359 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,228 |
| Countries by Capital City | 0 | - | 5.00 | 67,540 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,781 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,279 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,732 |
| Moved Capital Cities | 0 | - | 4.96 | 73,908 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,736 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,188 |
| Random Country to Capital | 0 | - | 4.98 | 915,372 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,734 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,977 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,719 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,605 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,572 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,128 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,846 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,229 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,338 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,932 |
| Which City in Canada? | 0 | - | 4.82 | 56,875 |
| Boroughs of New York City | 0 | - | 4.47 | 84,352 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,940 |
| Rome A-Z | 0 | - | 4.39 | 24,444 |
| Paris A-Z | 0 | - | 4.16 | 17,420 |
| Dallas City Trivia | 0 | - | 4.46 | 6,806 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,702 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,397 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,277 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,972 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,971 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,382 |
| Australia A-Z | 0 | - | 4.54 | 49,885 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,758 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,452 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,406 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,059 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,989 |
| North American Sports Cities | 0 | - | 4.83 | 171,442 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,062 |
| Cities in European History #1 | 0 | - | 4.63 | 133,575 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,444 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,268 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,657 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,332 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,844 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,079 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,579 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,027 |
| ALL California Cities | 0 | - | 4.37 | 42,942 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,333 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,134 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,063 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,491 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,569 |
| Name a Valid World City | 0 | - | 4.83 | 70,667 |
| Cities by Former Name | 0 | - | 4.84 | 91,290 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,427 |
| Former Capitals | 0 | - | 4.88 | 71,299 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,227 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,459 |
| Capital Cities Chain | 0 | - | 4.84 | 82,283 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,191 |
| Coldest World Capitals | 0 | - | 4.95 | 133,229 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,564 |
| World Capitals by Map | 0 | - | 5.00 | 284,908 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,995 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,170 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,060 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,423 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,965 |
| Capitals Starting With H | 0 | - | 4.90 | 91,757 |
| Capitals Starting With K | 0 | - | 4.85 | 75,963 |
| Capitals Starting With L | 0 | - | 4.81 | 87,175 |
| Capitals Starting With M | 0 | - | 4.93 | 106,626 |
| Capitals Starting With P | 0 | - | 4.88 | 77,470 |
| Capitals Starting With R | 0 | - | 4.87 | 81,254 |
| Capitals Starting With S | 0 | - | 4.89 | 85,097 |
| Capitals Starting With T | 0 | - | 4.84 | 75,585 |
| Capitals Starting With W | 0 | - | 4.87 | 90,874 |
| Capitals Starting With A | 0 | - | 4.97 | 126,980 |
| Capitals Starting With B | 0 | - | 4.89 | 117,662 |
| Capitals Starting With D | 0 | - | 4.93 | 95,734 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,992 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,867 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,442 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,911 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,371 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,670 |
| Italy A-Z | 0 | - | 4.49 | 58,032 |
| China A-Z | 0 | - | 4.55 | 66,986 |
| Germany A-Z | 0 | - | 4.56 | 62,475 |
| Scotland A-Z | 0 | - | 4.73 | 41,163 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,617 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,323 |
| Every City in Texas on a Map | 0 | - | 4.36 | 15,199 |
