| US States and State Capitals | 0 | - | 4.99 | 161,272 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,834 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.85 | 18,355 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,494 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,542 |
| Which City in Canada? | 0 | - | 4.82 | 56,943 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,243 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,506 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,856 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,982 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,762 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,666 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,387 |
| Name a City - European Countries | 0 | - | 4.90 | 65,189 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,018 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,782 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,749 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 505,463 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,406 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,817 |
| Europe Capital to Country | 0 | - | 4.99 | 249,557 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,578 |
| European Capitals by Map | 0 | - | 4.99 | 138,562 |
| African Capitals by Map | 0 | - | 4.99 | 133,361 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,071 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,873 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,232 |
| European Coastal Capitals | 0 | - | 4.95 | 90,378 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,500 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,147 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,548 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 81,938 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,623 |
| Official Cities in the UK | 0 | - | 4.89 | 283,048 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,420 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,071 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,244 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,888 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,983 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,688 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,074 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,089 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 54,779 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,164 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,833 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,985 |
| U.S. State Flags | 0 | - | 4.89 | 169,729 |
| Hawaiian Islands | 0 | - | 4.83 | 42,651 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,271 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.94 | 190,462 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,930 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,020 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,358 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,993 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,899 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,064 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,048 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,013 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,149 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,688 |
| Boroughs of New York City | 0 | - | 4.47 | 84,486 |
| Seattle City Trivia | 0 | - | 4.20 | 26,366 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,986 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 116,592 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,747 |
| Capitals of the Stans | 0 | - | 4.95 | 26,740 |
| ALL California Cities | 0 | - | 4.37 | 42,988 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,647 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,204 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,443 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,547 |
| Random European Capital to Country | 0 | - | 4.98 | 190,625 |
| Random European Country to Capital | 0 | - | 4.93 | 164,585 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,216 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,597 |
| Random African Capital to Country | 0 | - | 4.97 | 100,482 |
| Random African Country to Capital | 0 | - | 4.94 | 71,091 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,808 |
| Which City in the United States? | 0 | - | 4.21 | 56,913 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,867 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,041 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,329 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,801 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,259 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,383 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,223 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| Random U.S. City to State | 0 | - | 4.45 | 76,118 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,033 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,327 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,212 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,825 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,209 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,454 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,442 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,606 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,616 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,618 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,959 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,903 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,472 |
| Which City in Europe? | 0 | - | 4.83 | 107,159 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,696 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 47,981 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,575 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,846 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,716 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,838 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,578 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 55,281 |
| Find the City #1 | 0 | - | 4.97 | 42,679 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,947 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,233 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,264 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,959 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,616 |
| Countries by Capital City | 0 | - | 5.00 | 67,911 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,965 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,457 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,957 |
| Moved Capital Cities | 0 | - | 4.96 | 74,053 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,991 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,399 |
| Random Country to Capital | 0 | - | 4.98 | 918,287 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,849 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Miami City Trivia | 0 | - | 4.60 | 11,222 |
| All About Atlanta | 0 | - | 4.60 | 11,244 |
| Dallas City Trivia | 0 | - | 4.46 | 6,820 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 625,322 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,827 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,717 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,555 |
| North American Sports Cities | 0 | - | 4.83 | 171,750 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,240 |
| Cities in European History #1 | 0 | - | 4.63 | 133,797 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,307 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,700 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,867 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,102 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,513 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,245 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,654 |
| Name a Valid World City | 0 | - | 4.83 | 70,933 |
| Cities by Former Name | 0 | - | 4.83 | 91,419 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,323 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,572 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,330 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,883 |
| World Capitals by Map | 0 | - | 5.00 | 285,594 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,153 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,097 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,243 |
| Capitals Starting With H | 0 | - | 4.91 | 92,126 |
| Capitals Starting With K | 0 | - | 4.87 | 80,538 |
| Capitals Starting With L | 0 | - | 4.81 | 87,605 |
| Capitals Starting With M | 0 | - | 4.93 | 107,175 |
| Capitals Starting With P | 0 | - | 4.88 | 77,818 |
| Capitals Starting With R | 0 | - | 4.87 | 81,500 |
| Capitals Starting With S | 0 | - | 4.90 | 85,424 |
| Capitals Starting With T | 0 | - | 4.85 | 75,859 |
| Capitals Starting With W | 0 | - | 4.87 | 91,067 |
| Capitals Starting With A | 0 | - | 4.97 | 127,418 |
| Capitals Starting With B | 0 | - | 4.89 | 118,044 |
| Capitals Starting With D | 0 | - | 4.93 | 96,060 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,035 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,613 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,103 |
| Which City in Latin America? | 0 | - | 4.63 | 46,983 |
| Illinois Counties | 0 | - | 4.56 | 30,340 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,349 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,135 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,420 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,505 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,014 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,620 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,643 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,512 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,441 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,413 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,780 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,575 |
| Random European City to Country | 0 | - | 4.69 | 117,457 |
| Random Asian City to Country | 0 | - | 4.56 | 44,458 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,689 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,619 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,692 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,901 |
