| US States and State Capitals | 0 | - | 4.99 | 160,224 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,613 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,024 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,247 |
| Which City in Canada? | 0 | - | 4.82 | 56,858 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,738 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.85 | 18,323 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,060 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,624 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,041 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,440 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,407 |
| Name a City - European Countries | 0 | - | 4.91 | 64,832 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,833 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,992 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,060 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,096 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,450 |
| Europe Capital to Country | 0 | - | 4.99 | 248,921 |
| Asia Capital to Country | 0 | - | 4.96 | 126,174 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,148 |
| European Capitals by Map | 0 | - | 4.99 | 137,731 |
| African Capitals by Map | 0 | - | 4.99 | 132,831 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,728 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,602 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,975 |
| European Coastal Capitals | 0 | - | 4.95 | 90,111 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,354 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,233 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,788 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,587 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 81,367 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,091 |
| Official Cities in the UK | 0 | - | 4.89 | 282,147 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,734 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,223 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,229 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,978 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,694 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,590 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,515 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,921 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,821 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,555 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,993 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,611 |
| U.S. State Flags | 0 | - | 4.89 | 168,867 |
| Hawaiian Islands | 0 | - | 4.83 | 42,564 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,208 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.94 | 189,239 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,516 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,641 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,144 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,098 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,682 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,734 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,642 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,913 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,730 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,969 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,112 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,662 |
| Boroughs of New York City | 0 | - | 4.47 | 84,330 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,930 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 115,866 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,953 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,496 |
| Capitals of the Stans | 0 | - | 4.95 | 26,603 |
| ALL California Cities | 0 | - | 4.37 | 42,934 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,847 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,904 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,351 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,299 |
| Random European Capital to Country | 0 | - | 4.98 | 189,772 |
| Random European Country to Capital | 0 | - | 4.92 | 147,993 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,672 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,779 |
| Random African Capital to Country | 0 | - | 4.97 | 100,031 |
| Random African Country to Capital | 0 | - | 4.94 | 70,558 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,337 |
| Which City in the United States? | 0 | - | 4.21 | 56,847 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,765 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,806 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,017 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,881 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,149 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,125 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,079 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,754 |
| Random U.S. City to State | 0 | - | 4.45 | 75,729 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,943 |
| Every City in Arizona on a Map | 0 | - | 4.50 | 9,266 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,127 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,106 |
| Every City in Alabama on a Map | 0 | - | 4.72 | 8,411 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,385 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,584 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,444 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,724 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,911 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,498 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,801 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,219 |
| Which City in Europe? | 0 | - | 4.83 | 107,005 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,671 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,306 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,352 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,647 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,461 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,502 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,314 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,542 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 55,107 |
| Find the City #1 | 0 | - | 4.97 | 42,485 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,599 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,053 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,059 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,321 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,173 |
| Countries by Capital City | 0 | - | 5.00 | 67,476 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,743 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,250 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,704 |
| Moved Capital Cities | 0 | - | 4.96 | 73,886 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,242 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,136 |
| Random Country to Capital | 0 | - | 4.98 | 914,977 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,714 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,968 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,599 |
| U.S. State Capitals Closest to the Great Lakes | 0 | - | 4.66 | 21,044 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,319 |
| Miami City Trivia | 0 | - | 4.60 | 11,213 |
| All About Atlanta | 0 | - | 4.60 | 11,227 |
| Dallas City Trivia | 0 | - | 4.46 | 6,804 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 622,413 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,748 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,424 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,323 |
| North American Sports Cities | 0 | - | 4.83 | 171,380 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,034 |
| Cities in European History #1 | 0 | - | 4.63 | 133,545 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,263 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,644 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,841 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,070 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,483 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,322 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,039 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,458 |
| Name a Valid World City | 0 | - | 4.83 | 70,611 |
| Cities by Former Name | 0 | - | 4.84 | 91,263 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,213 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,448 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,164 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,504 |
| World Capitals by Map | 0 | - | 5.00 | 284,805 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,977 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,052 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,033 |
| Capitals Starting With H | 0 | - | 4.90 | 91,718 |
| Capitals Starting With K | 0 | - | 4.85 | 75,930 |
| Capitals Starting With L | 0 | - | 4.81 | 87,143 |
| Capitals Starting With M | 0 | - | 4.93 | 106,580 |
| Capitals Starting With P | 0 | - | 4.88 | 77,444 |
| Capitals Starting With R | 0 | - | 4.87 | 81,227 |
| Capitals Starting With S | 0 | - | 4.89 | 85,069 |
| Capitals Starting With T | 0 | - | 4.84 | 75,554 |
| Capitals Starting With W | 0 | - | 4.87 | 90,848 |
| Capitals Starting With A | 0 | - | 4.97 | 126,930 |
| Capitals Starting With B | 0 | - | 4.89 | 117,618 |
| Capitals Starting With D | 0 | - | 4.93 | 95,695 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,984 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,596 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,368 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,903 |
| Which City in Latin America? | 0 | - | 4.63 | 46,931 |
| New York City A-Z | 0 | - | 4.18 | 32,238 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,791 |
| Washington Counties | 0 | - | 4.77 | 26,691 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,666 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,293 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,752 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,618 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,470 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,357 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,019 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,587 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,747 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,435 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,431 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,315 |
| North America Cities by Map | 0 | - | 4.41 | 47,705 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,543 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,914 |
| Random European City to Country | 0 | - | 4.69 | 116,961 |
| Random Asian City to Country | 0 | - | 4.56 | 44,435 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,105 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,341 |
