| Most-Visited Countries by U.S. Presidents | 0 | - | 4.96 | 193,369 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,472 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,489 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,535 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,758 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,662 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,820 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,956 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,016 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| U.S. Presidents by State | 0 | - | 4.34 | 68,640 |
| Name a City - European Countries | 0 | - | 4.90 | 65,187 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,618 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,400 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,815 |
| Europe Capital to Country | 0 | - | 4.99 | 249,551 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,571 |
| European Capitals by Map | 0 | - | 4.99 | 138,546 |
| African Capitals by Map | 0 | - | 4.99 | 133,358 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,410 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,069 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,871 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,227 |
| European Coastal Capitals | 0 | - | 4.95 | 90,373 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,498 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,143 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,544 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,820 |
| US States and State Capitals | 0 | - | 4.99 | 161,263 |
| Official Cities in the UK | 0 | - | 4.89 | 283,043 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,929 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,013 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,350 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,898 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,066 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,238 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,884 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,976 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,688 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,071 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,085 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,057 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,163 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,830 |
| Capitals of the Stans | 0 | - | 4.95 | 26,738 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,322 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,793 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,258 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,383 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,031 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,845 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,203 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,958 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,442 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,546 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,901 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,472 |
| Random European Capital to Country | 0 | - | 4.98 | 190,622 |
| Random European Country to Capital | 0 | - | 4.93 | 164,563 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,211 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,594 |
| Random African Capital to Country | 0 | - | 4.97 | 100,480 |
| Random African Country to Capital | 0 | - | 4.94 | 71,087 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,786 |
| Which City in Europe? | 0 | - | 4.83 | 107,157 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,380 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,093 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,040 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,220 |
| Random U.S. City to State | 0 | - | 4.45 | 76,108 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,206 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,616 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,599 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,605 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,848 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,102 |
| Which City in Canada? | 0 | - | 4.82 | 56,942 |
| Boroughs of New York City | 0 | - | 4.47 | 84,477 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,986 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,824 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,717 |
| North American Sports Cities | 0 | - | 4.83 | 171,747 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,238 |
| Cities in European History #1 | 0 | - | 4.63 | 133,795 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,715 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,306 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,699 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,836 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,866 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,101 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,245 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,650 |
| Name a Valid World City | 0 | - | 4.83 | 70,928 |
| Find the City #1 | 0 | - | 4.97 | 42,678 |
| Cities by Former Name | 0 | - | 4.83 | 91,417 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,319 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,940 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,230 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,569 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,259 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,952 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,604 |
| Countries by Capital City | 0 | - | 5.00 | 67,904 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,961 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,456 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,329 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,951 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,875 |
| Moved Capital Cities | 0 | - | 4.96 | 74,049 |
| World Capitals by Map | 0 | - | 5.00 | 285,584 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,151 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,952 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,398 |
| Random Country to Capital | 0 | - | 4.98 | 918,255 |
| Capitals Starting With H | 0 | - | 4.91 | 92,099 |
| Capitals Starting With K | 0 | - | 4.87 | 80,331 |
| Capitals Starting With L | 0 | - | 4.81 | 87,576 |
| Capitals Starting With M | 0 | - | 4.93 | 107,148 |
| Capitals Starting With P | 0 | - | 4.88 | 77,804 |
| Capitals Starting With R | 0 | - | 4.87 | 81,485 |
| Capitals Starting With S | 0 | - | 4.90 | 85,409 |
| Capitals Starting With T | 0 | - | 4.85 | 75,844 |
| Capitals Starting With W | 0 | - | 4.87 | 91,057 |
| Capitals Starting With A | 0 | - | 4.97 | 127,397 |
| Capitals Starting With B | 0 | - | 4.89 | 118,022 |
| Capitals Starting With D | 0 | - | 4.93 | 96,039 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,703 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,191 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,894 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,494 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,130 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,418 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,496 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,009 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,614 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,342 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,882 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,775 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,234 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,346 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 77,409 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,643 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,512 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,441 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,468 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,412 |
| South American Cities on the Map | 0 | - | 4.56 | 35,385 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,779 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,571 |
| ALL California Cities | 0 | - | 4.37 | 42,987 |
| Random European City to Country | 0 | - | 4.69 | 117,456 |
| Random Asian City to Country | 0 | - | 4.56 | 44,457 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,689 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,378 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,617 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,182 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,741 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,669 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,690 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,387 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,725 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,899 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,578 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,327 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,211 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,825 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| Former Capitals | 0 | - | 4.88 | 71,377 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,446 |
| Capital Cities Chain | 0 | - | 4.83 | 82,483 |
| Coldest World Capitals | 0 | - | 4.95 | 133,457 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,597 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,177 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,296 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,072 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,064 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,382 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,302 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,282 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,929 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,282 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,551 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,096 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,670 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,621 |
