| US States and State Capitals | 0 | - | 4.99 | 164,110 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,362 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,433 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,199 |
| Which City in Canada? | 0 | - | 4.83 | 57,218 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.85 | 18,420 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,748 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,164 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,164 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,597 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,088 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,519 |
| Name a City - European Countries | 0 | - | 4.90 | 65,839 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,409 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,224 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,789 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,556 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,133 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,642 |
| Europe Capital to Country | 0 | - | 4.99 | 251,324 |
| Asia Capital to Country | 0 | - | 4.96 | 127,053 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,483 |
| European Capitals by Map | 0 | - | 4.99 | 140,989 |
| African Capitals by Map | 0 | - | 4.99 | 140,409 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,377 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,522 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,872 |
| European Coastal Capitals | 0 | - | 4.95 | 90,993 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,999 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,414 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,985 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,997 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 83,066 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,088 |
| Official Cities in the UK | 0 | - | 4.89 | 285,073 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,385 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,055 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,888 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,321 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,694 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,161 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,394 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,697 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,378 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,510 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,420 |
| U.S. State Flags | 0 | - | 4.89 | 171,801 |
| Hawaiian Islands | 0 | - | 4.83 | 42,823 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,428 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.94 | 194,058 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,646 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,585 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,941 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,795 |
| World Capitals Quiz | 0 | - | 5.00 | 5,091,074 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,372 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,059 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,388 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,913 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,099 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,241 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,742 |
| Boroughs of New York City | 0 | - | 4.47 | 84,817 |
| Seattle City Trivia | 0 | - | 4.21 | 26,492 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,080 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 118,434 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,938 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,381 |
| Capitals of the Stans | 0 | - | 4.95 | 27,018 |
| ALL California Cities | 0 | - | 4.37 | 43,161 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,748 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,969 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,678 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,894 |
| Random European Capital to Country | 0 | - | 4.98 | 191,696 |
| Random European Country to Capital | 0 | - | 4.93 | 165,562 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,825 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,182 |
| Random African Capital to Country | 0 | - | 4.97 | 101,061 |
| Random African Country to Capital | 0 | - | 4.94 | 71,533 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,839 |
| Which City in the United States? | 0 | - | 4.21 | 57,099 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,127 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,547 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,122 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,902 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,476 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,513 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,857 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,103 |
| Random U.S. City to State | 0 | - | 4.45 | 76,669 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,215 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,431 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,384 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,037 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,366 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,554 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,557 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,685 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,948 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,692 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,085 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,078 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,194 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,125 |
| Which City in Europe? | 0 | - | 4.83 | 107,700 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,758 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,291 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,004 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,855 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,825 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,594 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,663 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,707 |
| Find the City #1 | 0 | - | 4.97 | 43,137 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,786 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,706 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,890 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,782 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,620 |
| Countries by Capital City | 0 | - | 5.00 | 68,898 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,535 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,965 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,549 |
| Moved Capital Cities | 0 | - | 4.96 | 74,457 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,772 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,706 |
| Random Country to Capital | 0 | - | 4.98 | 924,426 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,202 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,093 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,827 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,741 |
| Miami City Trivia | 0 | - | 4.60 | 11,253 |
| All About Atlanta | 0 | - | 4.60 | 11,272 |
| Dallas City Trivia | 0 | - | 4.46 | 6,854 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 631,618 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,004 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,199 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 52,099 |
| North American Sports Cities | 0 | - | 4.83 | 172,820 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,456 |
| Cities in European History #1 | 0 | - | 4.63 | 134,359 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,403 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,830 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,924 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,178 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,560 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,480 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,716 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,252 |
| Name a Valid World City | 0 | - | 4.83 | 71,626 |
| Cities by Former Name | 0 | - | 4.83 | 91,834 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,557 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,841 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,634 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,546 |
| World Capitals by Map | 0 | - | 5.00 | 288,185 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,623 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,209 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,769 |
| Capitals Starting With H | 0 | - | 4.91 | 92,851 |
| Capitals Starting With K | 0 | - | 4.88 | 83,894 |
| Capitals Starting With L | 0 | - | 4.81 | 88,365 |
| Capitals Starting With M | 0 | - | 4.93 | 108,284 |
| Capitals Starting With P | 0 | - | 4.88 | 78,485 |
| Capitals Starting With R | 0 | - | 4.87 | 82,089 |
| Capitals Starting With S | 0 | - | 4.90 | 86,072 |
| Capitals Starting With T | 0 | - | 4.85 | 76,414 |
| Capitals Starting With W | 0 | - | 4.87 | 91,462 |
| Capitals Starting With A | 0 | - | 4.97 | 128,454 |
| Capitals Starting With B | 0 | - | 4.89 | 118,867 |
| Capitals Starting With D | 0 | - | 4.93 | 96,754 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,134 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,654 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,421 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,564 |
| Which City in Latin America? | 0 | - | 4.63 | 47,103 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,456 |
| Illinois Counties | 0 | - | 4.56 | 30,518 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,915 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,624 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,018 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,732 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,539 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,170 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,560 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,684 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,782 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,664 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,479 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,618 |
| North America Cities by Map | 0 | - | 4.41 | 47,882 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,590 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,840 |
| Random European City to Country | 0 | - | 4.69 | 118,182 |
| Random Asian City to Country | 0 | - | 4.56 | 44,578 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,399 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,082 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,319 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,263 |
