| New York City A-Z | 0 | - | 4.18 | 32,257 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,615 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,530 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,257 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,393 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,982 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,782 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,673 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,157 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,404 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,671 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,499 |
| Name a City - European Countries | 0 | - | 4.91 | 65,050 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,938 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,031 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,988 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,134 |
| Which City in California? | 0 | - | 4.56 | 31,980 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,251 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,660 |
| Europe Capital to Country | 0 | - | 4.99 | 249,258 |
| Asia Capital to Country | 0 | - | 4.96 | 126,331 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,392 |
| European Capitals by Map | 0 | - | 4.99 | 138,172 |
| African Capitals by Map | 0 | - | 4.99 | 133,055 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,875 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,750 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,113 |
| European Coastal Capitals | 0 | - | 4.95 | 90,256 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,419 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,694 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,217 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,662 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,300 |
| Official Cities in the UK | 0 | - | 4.89 | 282,589 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,760 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,152 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,463 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,351 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,762 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,532 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,846 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,673 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,124 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,813 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,836 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,606 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,006 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,974 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,958 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,089 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,739 |
| Which City in Texas? | 0 | - | 4.45 | 25,043 |
| Which City in Florida? | 0 | - | 4.61 | 10,968 |
| California A-Z | 0 | - | 4.49 | 28,760 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,513 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,810 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,580 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,215 |
| World Capitals Quiz | 0 | - | 5.00 | 5,056,776 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,818 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,305 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,867 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,090 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,733 |
| US States and State Capitals | 0 | - | 4.99 | 160,739 |
| Capitals of the Stans | 0 | - | 4.95 | 26,674 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,197 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,539 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,261 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,822 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,330 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,992 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,434 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,297 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,067 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,274 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,456 |
| Random European Capital to Country | 0 | - | 4.98 | 190,405 |
| Random European Country to Capital | 0 | - | 4.93 | 163,481 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,007 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,132 |
| Random African Capital to Country | 0 | - | 4.97 | 100,313 |
| Random African Country to Capital | 0 | - | 4.94 | 70,882 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,669 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,162 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,598 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,758 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,006 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,824 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,945 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,187 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,348 |
| Random U.S. City to State | 0 | - | 4.45 | 75,884 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,169 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,200 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,932 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,868 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,568 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,851 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,368 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,760 |
| Which City in Europe? | 0 | - | 4.83 | 107,089 |
| Chicago A-Z | 0 | - | 4.25 | 15,488 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,685 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,657 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,520 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,701 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,758 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,150 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,168 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,779 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,369 |
| Countries by Capital City | 0 | - | 5.00 | 67,699 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,861 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,350 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,834 |
| Moved Capital Cities | 0 | - | 4.96 | 73,959 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,063 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,287 |
| Random Country to Capital | 0 | - | 4.98 | 916,585 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,804 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,990 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,729 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,621 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,585 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,139 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,853 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,237 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,997 |
| Which City in Canada? | 0 | - | 4.82 | 56,911 |
| Boroughs of New York City | 0 | - | 4.47 | 84,407 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,956 |
| Rome A-Z | 0 | - | 4.39 | 24,451 |
| Paris A-Z | 0 | - | 4.16 | 17,423 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,893 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,037 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,503 |
| Australia A-Z | 0 | - | 4.54 | 49,915 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,782 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,534 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,714 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,095 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,009 |
| North American Sports Cities | 0 | - | 4.83 | 171,592 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,101 |
| Cities in European History #1 | 0 | - | 4.63 | 133,655 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,464 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,281 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,674 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,370 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,852 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,088 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,665 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,218 |
| ALL California Cities | 0 | - | 4.37 | 42,962 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,357 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,315 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,138 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,568 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,616 |
| Name a Valid World City | 0 | - | 4.83 | 70,786 |
| Cities by Former Name | 0 | - | 4.84 | 91,348 |
| Former Capitals | 0 | - | 4.88 | 71,332 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,271 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,503 |
| Capital Cities Chain | 0 | - | 4.84 | 82,358 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,247 |
| Coldest World Capitals | 0 | - | 4.95 | 133,302 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,707 |
| World Capitals by Map | 0 | - | 5.00 | 285,186 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,061 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,275 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,539 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,222 |
| Capitals Starting With H | 0 | - | 4.90 | 91,845 |
| Capitals Starting With K | 0 | - | 4.85 | 76,034 |
| Capitals Starting With L | 0 | - | 4.81 | 87,258 |
| Capitals Starting With M | 0 | - | 4.93 | 106,743 |
| Capitals Starting With P | 0 | - | 4.88 | 77,538 |
| Capitals Starting With R | 0 | - | 4.87 | 81,306 |
| Capitals Starting With S | 0 | - | 4.89 | 85,169 |
| Capitals Starting With T | 0 | - | 4.84 | 75,647 |
| Capitals Starting With W | 0 | - | 4.87 | 90,926 |
| Capitals Starting With A | 0 | - | 4.97 | 127,083 |
| Capitals Starting With B | 0 | - | 4.89 | 117,742 |
| Capitals Starting With D | 0 | - | 4.93 | 95,816 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,011 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,880 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,466 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,927 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,373 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,688 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,542 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,713 |
| India A-Z | 0 | - | 4.42 | 34,062 |
| Italy A-Z | 0 | - | 4.49 | 58,087 |
| China A-Z | 0 | - | 4.55 | 67,042 |
| Germany A-Z | 0 | - | 4.56 | 62,508 |
| Scotland A-Z | 0 | - | 4.73 | 41,182 |
