| New York City A-Z | 0 | - | 4.18 | 32,253 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,516 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,499 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,226 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,363 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,974 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,531 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,551 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,031 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,400 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,591 |
| Name a City - European Countries | 0 | - | 4.91 | 65,025 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,925 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,029 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,987 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,129 |
| Which City in California? | 0 | - | 4.56 | 31,978 |
| California A-Z | 0 | - | 4.49 | 28,755 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,228 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,634 |
| Europe Capital to Country | 0 | - | 4.99 | 249,207 |
| Asia Capital to Country | 0 | - | 4.96 | 126,305 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,362 |
| European Capitals by Map | 0 | - | 4.99 | 138,114 |
| African Capitals by Map | 0 | - | 4.99 | 133,016 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,850 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,735 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,098 |
| European Coastal Capitals | 0 | - | 4.95 | 90,234 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,405 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,622 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,189 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,659 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,262 |
| Official Cities in the UK | 0 | - | 4.89 | 282,540 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,350 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,514 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,788 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,629 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,108 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,803 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,799 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,592 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,993 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,950 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,080 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,725 |
| British Places A-Z | 0 | - | 4.29 | 79,774 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,790 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,500 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,197 |
| World Capitals Quiz | 0 | - | 5.00 | 5,055,822 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,801 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,836 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,723 |
| US States and State Capitals | 0 | - | 4.99 | 160,661 |
| Capitals of the Stans | 0 | - | 4.95 | 26,660 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,191 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,538 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,235 |
| ALL California Cities | 0 | - | 4.37 | 42,957 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,814 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,324 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,984 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,983 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,047 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,269 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,445 |
| Random European Capital to Country | 0 | - | 4.98 | 190,356 |
| Random European Country to Capital | 0 | - | 4.93 | 162,882 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,997 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,112 |
| Random African Capital to Country | 0 | - | 4.97 | 100,296 |
| Random African Country to Capital | 0 | - | 4.94 | 70,877 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,667 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,158 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,551 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,757 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,003 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,815 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,925 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,160 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,298 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,137 |
| Random U.S. City to State | 0 | - | 4.45 | 75,867 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,158 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,131 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,929 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,864 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,563 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,846 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,345 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,759 |
| Which City in New York State? | 0 | - | 4.60 | 15,927 |
| Which City in Europe? | 0 | - | 4.83 | 107,082 |
| Which City in Texas? | 0 | - | 4.45 | 25,042 |
| Which City in Florida? | 0 | - | 4.61 | 10,964 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,683 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,629 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,517 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,697 |
| Find the City #1 | 0 | - | 4.97 | 42,558 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,729 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,129 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,154 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,740 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,346 |
| Countries by Capital City | 0 | - | 5.00 | 67,667 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,841 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,342 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,811 |
| Moved Capital Cities | 0 | - | 4.96 | 73,953 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,844 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,268 |
| Random Country to Capital | 0 | - | 4.98 | 916,373 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,792 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,987 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,725 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,618 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,583 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,137 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,852 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,237 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,377 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,986 |
| Which City in Canada? | 0 | - | 4.82 | 56,905 |
| Boroughs of New York City | 0 | - | 4.47 | 84,401 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,949 |
| Rome A-Z | 0 | - | 4.39 | 24,449 |
| Paris A-Z | 0 | - | 4.16 | 17,422 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,787 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,502 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,367 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,039 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,027 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,481 |
| Australia A-Z | 0 | - | 4.54 | 49,908 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,777 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,522 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,668 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,092 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,003 |
| North American Sports Cities | 0 | - | 4.83 | 171,566 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,088 |
| Cities in European History #1 | 0 | - | 4.63 | 133,636 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,458 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,280 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,671 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,361 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,849 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,086 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,646 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,185 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,496 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,350 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,227 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,124 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,560 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,605 |
| Name a Valid World City | 0 | - | 4.83 | 70,771 |
| Cities by Former Name | 0 | - | 4.84 | 91,329 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,432 |
| Former Capitals | 0 | - | 4.88 | 71,318 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,266 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,491 |
| Capital Cities Chain | 0 | - | 4.84 | 82,344 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,238 |
| Coldest World Capitals | 0 | - | 4.95 | 133,264 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,689 |
| World Capitals by Map | 0 | - | 5.00 | 285,126 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,043 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,257 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,074 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,520 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,168 |
| Capitals Starting With H | 0 | - | 4.90 | 91,831 |
| Capitals Starting With K | 0 | - | 4.85 | 76,022 |
| Capitals Starting With L | 0 | - | 4.81 | 87,243 |
| Capitals Starting With M | 0 | - | 4.93 | 106,717 |
| Capitals Starting With P | 0 | - | 4.88 | 77,527 |
| Capitals Starting With R | 0 | - | 4.87 | 81,300 |
| Capitals Starting With S | 0 | - | 4.89 | 85,154 |
| Capitals Starting With T | 0 | - | 4.84 | 75,638 |
| Capitals Starting With W | 0 | - | 4.87 | 90,917 |
| Capitals Starting With A | 0 | - | 4.97 | 127,065 |
| Capitals Starting With B | 0 | - | 4.89 | 117,726 |
| Capitals Starting With D | 0 | - | 4.93 | 95,803 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,009 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,878 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,460 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,923 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,373 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,685 |
| Italy A-Z | 0 | - | 4.49 | 58,075 |
| China A-Z | 0 | - | 4.55 | 67,032 |
| Germany A-Z | 0 | - | 4.56 | 62,500 |
| Scotland A-Z | 0 | - | 4.73 | 41,179 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,966 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,584 |
| California... or Florida? | 0 | - | 4.60 | 51,215 |
