| US States and State Capitals | 0 | - | 4.99 | 158,493 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,182 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,360 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,740 |
| Which City in Canada? | 0 | - | 4.83 | 56,652 |
| Seattle City Trivia | 0 | - | 4.20 | 26,237 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,431 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,551 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,177 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,859 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,938 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,073 |
| Name a City - European Countries | 0 | - | 4.92 | 64,386 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,537 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,878 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,654 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,712 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,811 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,346 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,802 |
| Europe Capital to Country | 0 | - | 4.99 | 247,775 |
| Asia Capital to Country | 0 | - | 4.96 | 125,750 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,447 |
| European Capitals by Map | 0 | - | 4.99 | 136,247 |
| African Capitals by Map | 0 | - | 4.99 | 132,164 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,122 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,180 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,600 |
| European Coastal Capitals | 0 | - | 4.95 | 89,747 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,181 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,780 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,782 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,421 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 80,645 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,346 |
| Official Cities in the UK | 0 | - | 4.89 | 280,510 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,603 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,222 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,848 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,662 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,406 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,115 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,172 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,700 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,445 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,222 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,761 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,186 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,409 |
| U.S. State Flags | 0 | - | 4.89 | 167,062 |
| Hawaiian Islands | 0 | - | 4.83 | 42,427 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,087 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.94 | 186,857 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,460 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,193 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,926 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,792 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,919 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,396 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,829 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,664 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,905 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,060 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,612 |
| Boroughs of New York City | 0 | - | 4.47 | 84,096 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,663 |
| Click a Valid US State A-Z | 0 | - | 4.90 | 114,716 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,035 |
| Capitals of the Stans | 0 | - | 4.95 | 26,403 |
| ALL California Cities | 0 | - | 4.36 | 42,813 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,898 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,443 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,196 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,050 |
| Random European Capital to Country | 0 | - | 4.98 | 189,197 |
| Random European Country to Capital | 0 | - | 4.92 | 147,442 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,396 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,409 |
| Random African Capital to Country | 0 | - | 4.97 | 99,737 |
| Random African Country to Capital | 0 | - | 4.94 | 70,228 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,763 |
| Which City in the United States? | 0 | - | 4.21 | 56,657 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,606 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,422 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,391 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,417 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,716 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,697 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,666 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,595 |
| Random U.S. City to State | 0 | - | 4.45 | 75,318 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,802 |
| Every City in Arizona on a Map | 0 | - | 4.47 | 9,186 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,016 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,013 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,356 |
| Every City in Michigan on a Map | 0 | - | 4.48 | 9,271 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,551 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,190 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,351 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,796 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,262 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,625 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,814 |
| Which City in Europe? | 0 | - | 4.83 | 106,612 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,626 |
| U.S. States Closest to Moscow | 0 | - | 4.50 | 47,776 |
| Countries Similar to U.S. States by Population | 0 | - | 4.92 | 69,760 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,475 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,545 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,749 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,460 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,208 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,438 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 54,860 |
| Find the City #1 | 0 | - | 4.97 | 42,101 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,940 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,650 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,598 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,611 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,430 |
| Countries by Capital City | 0 | - | 5.00 | 66,634 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,323 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,900 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,405 |
| Moved Capital Cities | 0 | - | 4.96 | 73,583 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,877 |
| Random Country to Capital | 0 | - | 4.98 | 911,535 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,517 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,907 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,655 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,523 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 38,994 |
| Miami City Trivia | 0 | - | 4.60 | 11,189 |
| All About Atlanta | 0 | - | 4.60 | 11,206 |
| Dallas City Trivia | 0 | - | 4.46 | 6,775 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,411 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,110 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 50,973 |
| North American Sports Cities | 0 | - | 4.83 | 170,889 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,915 |
| Cities in European History #1 | 0 | - | 4.63 | 133,113 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,194 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,564 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,806 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,015 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,436 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 43,803 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,723 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,183 |
| Name a Valid World City | 0 | - | 4.83 | 70,126 |
| Cities by Former Name | 0 | - | 4.84 | 90,965 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,688 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,234 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,821 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,932 |
| World Capitals by Map | 0 | - | 5.00 | 283,177 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,661 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,974 |
| World Capitals Mystery Route | 0 | - | 4.97 | 54,653 |
| Capitals Starting With H | 0 | - | 4.90 | 90,909 |
| Capitals Starting With K | 0 | - | 4.85 | 75,685 |
| Capitals Starting With L | 0 | - | 4.81 | 86,833 |
| Capitals Starting With M | 0 | - | 4.93 | 106,048 |
| Capitals Starting With P | 0 | - | 4.88 | 77,187 |
| Capitals Starting With R | 0 | - | 4.87 | 80,970 |
| Capitals Starting With S | 0 | - | 4.89 | 84,801 |
| Capitals Starting With T | 0 | - | 4.84 | 75,287 |
| Capitals Starting With W | 0 | - | 4.89 | 90,606 |
| Capitals Starting With A | 0 | - | 4.97 | 126,547 |
| Capitals Starting With B | 0 | - | 4.89 | 117,291 |
| Capitals Starting With D | 0 | - | 4.93 | 95,376 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,924 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,569 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,339 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,331 |
| Which City in Latin America? | 0 | - | 4.63 | 46,839 |
| Washington Counties | 0 | - | 4.78 | 26,537 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,439 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,044 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,932 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,985 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,841 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,981 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,826 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,466 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,661 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,307 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,400 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,147 |
| North America Cities by Map | 0 | - | 4.41 | 47,615 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,191 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,112 |
| Random European City to Country | 0 | - | 4.69 | 116,309 |
| Random Asian City to Country | 0 | - | 4.56 | 44,392 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,677 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,090 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,331 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,469 |
