| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 194,245 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,633 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,672 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,357 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,788 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,258 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,359 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,493 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,507 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,255 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,806 |
| Name a Valid U.S. President by Birth State | 0 | - | 4.60 | 9,843 |
| Name a City - European Countries | 0 | - | 4.90 | 65,987 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,082 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,284 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,840 |
| Europe Capital to Country | 0 | - | 4.99 | 251,682 |
| Asia Capital to Country | 0 | - | 4.96 | 127,239 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,713 |
| European Capitals by Map | 0 | - | 4.99 | 141,554 |
| African Capitals by Map | 0 | - | 4.99 | 141,635 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,116 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,685 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,683 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,020 |
| European Coastal Capitals | 0 | - | 4.95 | 91,130 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,095 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,968 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,400 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,078 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,636 |
| US States and State Capitals | 0 | - | 4.99 | 164,716 |
| Official Cities in the UK | 0 | - | 4.89 | 285,602 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,753 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,500 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,558 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,884 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,494 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,614 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,037 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,440 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,905 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,276 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,482 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,816 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,342 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,463 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,607 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,195 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,503 |
| Capitals of the Stans | 0 | - | 4.95 | 27,073 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,428 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,468 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,532 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,670 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,634 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,144 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,254 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,848 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,216 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,742 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,969 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,167 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,293 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,262 |
| Random European Capital to Country | 0 | - | 4.98 | 191,884 |
| Random European Country to Capital | 0 | - | 4.93 | 165,692 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,897 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,298 |
| Random African Capital to Country | 0 | - | 4.97 | 101,180 |
| Random African Country to Capital | 0 | - | 4.95 | 71,640 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,051 |
| Which City in Europe? | 0 | - | 4.83 | 107,783 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,133 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,345 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,664 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,927 |
| Random U.S. City to State | 0 | - | 4.45 | 76,771 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,401 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,034 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,323 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,235 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,256 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,110 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,759 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,660 |
| Which City in Canada? | 0 | - | 4.83 | 57,280 |
| Boroughs of New York City | 0 | - | 4.47 | 84,873 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,103 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,100 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,312 |
| North American Sports Cities | 0 | - | 4.83 | 172,972 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,508 |
| Cities in European History #1 | 0 | - | 4.63 | 134,466 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,904 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,429 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,037 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,937 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,609 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,195 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,815 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,358 |
| Name a Valid World City | 0 | - | 4.84 | 71,790 |
| Find the City #1 | 0 | - | 4.97 | 43,238 |
| Cities by Former Name | 0 | - | 4.83 | 91,932 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,623 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,976 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,842 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,902 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,029 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,995 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,874 |
| Countries by Capital City | 0 | - | 5.00 | 69,144 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,697 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,083 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,708 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,666 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,665 |
| Moved Capital Cities | 0 | - | 4.96 | 74,554 |
| World Capitals by Map | 0 | - | 5.00 | 288,766 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,709 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,866 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,755 |
| Random Country to Capital | 0 | - | 4.98 | 925,898 |
| Capitals Starting With H | 0 | - | 4.91 | 93,101 |
| Capitals Starting With K | 0 | - | 4.88 | 84,168 |
| Capitals Starting With L | 0 | - | 4.79 | 93,064 |
| Capitals Starting With M | 0 | - | 4.93 | 108,746 |
| Capitals Starting With P | 0 | - | 4.88 | 78,752 |
| Capitals Starting With R | 0 | - | 4.88 | 82,309 |
| Capitals Starting With S | 0 | - | 4.90 | 86,342 |
| Capitals Starting With T | 0 | - | 4.85 | 76,636 |
| Capitals Starting With W | 0 | - | 4.87 | 91,599 |
| Capitals Starting With A | 0 | - | 4.97 | 128,791 |
| Capitals Starting With B | 0 | - | 4.89 | 119,200 |
| Capitals Starting With D | 0 | - | 4.93 | 96,967 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,842 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,381 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,063 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,664 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,037 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,452 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,054 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,782 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,438 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,716 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,753 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,846 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,335 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,018 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,803 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,366 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,816 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,720 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,489 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,642 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,678 |
| South American Cities on the Map | 0 | - | 4.52 | 35,527 |
| North America Cities by Map | 0 | - | 4.41 | 47,906 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,744 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,122 |
| ALL California Cities | 0 | - | 4.37 | 43,196 |
| Random European City to Country | 0 | - | 4.69 | 118,283 |
| Random Asian City to Country | 0 | - | 4.56 | 44,594 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,518 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,568 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,170 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,791 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,046 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,450 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,543 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,848 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,346 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,692 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,482 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,439 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,118 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| Former Capitals | 0 | - | 4.88 | 71,622 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,711 |
| Capital Cities Chain | 0 | - | 4.84 | 83,221 |
| Coldest World Capitals | 0 | - | 4.95 | 134,084 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,814 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,124 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,453 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,441 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,388 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,999 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,814 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,670 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,469 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,395 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,926 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,238 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,410 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,599 |
