| US States and State Capitals | 0 | - | 4.99 | 163,684 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,272 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,284 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,091 |
| Which City in Canada? | 0 | - | 4.83 | 57,167 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,784 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.85 | 18,406 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,524 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,216 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,182 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,367 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,016 |
| Name a City - European Countries | 0 | - | 4.90 | 65,714 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,343 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,198 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,094 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,027 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,474 |
| Europe Capital to Country | 0 | - | 4.99 | 251,034 |
| Asia Capital to Country | 0 | - | 4.96 | 126,917 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,286 |
| European Capitals by Map | 0 | - | 4.99 | 140,159 |
| African Capitals by Map | 0 | - | 4.99 | 134,279 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,708 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,349 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,688 |
| European Coastal Capitals | 0 | - | 4.95 | 90,877 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,696 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,047 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,720 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,942 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 82,850 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,969 |
| Official Cities in the UK | 0 | - | 4.89 | 284,720 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,005 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,926 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,761 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,768 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,248 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,580 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,062 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,326 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,581 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,270 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,446 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,274 |
| U.S. State Flags | 0 | - | 4.89 | 171,446 |
| Hawaiian Islands | 0 | - | 4.83 | 42,786 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,395 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.94 | 193,587 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,630 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,462 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,578 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,722 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,685 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,305 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,889 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,316 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,894 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,086 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,227 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,730 |
| Boroughs of New York City | 0 | - | 4.47 | 84,736 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,054 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 118,186 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,831 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,265 |
| Capitals of the Stans | 0 | - | 4.95 | 26,945 |
| ALL California Cities | 0 | - | 4.37 | 43,121 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,984 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,833 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,625 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,828 |
| Random European Capital to Country | 0 | - | 4.98 | 191,541 |
| Random European Country to Capital | 0 | - | 4.93 | 165,466 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,724 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,046 |
| Random African Capital to Country | 0 | - | 4.97 | 100,967 |
| Random African Country to Capital | 0 | - | 4.94 | 71,435 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,631 |
| Which City in the United States? | 0 | - | 4.21 | 57,070 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,079 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,459 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,015 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,597 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,446 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,878 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,813 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,045 |
| Random U.S. City to State | 0 | - | 4.45 | 76,597 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,182 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,417 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,355 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,344 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,539 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,534 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,671 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,890 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,354 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,057 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,949 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,131 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,005 |
| Which City in Europe? | 0 | - | 4.83 | 107,620 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,741 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,155 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,767 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,838 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,649 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,587 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,495 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,651 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,645 |
| Find the City #1 | 0 | - | 4.97 | 43,029 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,616 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,601 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,731 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,572 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,431 |
| Countries by Capital City | 0 | - | 5.00 | 68,719 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,421 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,861 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,454 |
| Moved Capital Cities | 0 | - | 4.96 | 74,390 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,461 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,664 |
| Random Country to Capital | 0 | - | 4.98 | 923,390 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,160 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,080 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,816 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,729 |
| U.S. State Capitals Closest to the Great Lakes | 0 | - | 4.67 | 21,136 |
| Miami City Trivia | 0 | - | 4.60 | 11,245 |
| All About Atlanta | 0 | - | 4.60 | 11,266 |
| Dallas City Trivia | 0 | - | 4.46 | 6,849 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 630,592 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,982 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,113 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,986 |
| North American Sports Cities | 0 | - | 4.83 | 172,703 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,422 |
| Cities in European History #1 | 0 | - | 4.63 | 134,251 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,387 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,805 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,908 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,165 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,553 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,472 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,624 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,115 |
| Name a Valid World City | 0 | - | 4.83 | 71,530 |
| Cities by Former Name | 0 | - | 4.83 | 91,768 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,511 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,781 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,587 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,456 |
| World Capitals by Map | 0 | - | 5.00 | 287,649 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,515 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,188 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,677 |
| Capitals Starting With H | 0 | - | 4.91 | 92,768 |
| Capitals Starting With K | 0 | - | 4.88 | 83,821 |
| Capitals Starting With L | 0 | - | 4.81 | 88,289 |
| Capitals Starting With M | 0 | - | 4.93 | 108,134 |
| Capitals Starting With P | 0 | - | 4.88 | 78,398 |
| Capitals Starting With R | 0 | - | 4.87 | 82,017 |
| Capitals Starting With S | 0 | - | 4.90 | 86,003 |
| Capitals Starting With T | 0 | - | 4.84 | 76,352 |
| Capitals Starting With W | 0 | - | 4.87 | 91,421 |
| Capitals Starting With A | 0 | - | 4.97 | 128,352 |
| Capitals Starting With B | 0 | - | 4.89 | 118,770 |
| Capitals Starting With D | 0 | - | 4.93 | 96,673 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,122 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,646 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,481 |
| Which City in Latin America? | 0 | - | 4.63 | 47,082 |
| New York City A-Z | 0 | - | 4.18 | 32,336 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,387 |
| Washington Counties | 0 | - | 4.78 | 26,995 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,684 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,569 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,651 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,440 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,311 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,751 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,404 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,607 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,748 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,638 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,472 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,595 |
| North America Cities by Map | 0 | - | 4.41 | 47,860 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,385 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,609 |
| Random European City to Country | 0 | - | 4.69 | 118,078 |
| Random Asian City to Country | 0 | - | 4.56 | 44,564 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,277 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,006 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,113 |
