| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,404 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,542 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,795 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,910 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,723 |
| New York City A-Z | 0 | - | 4.19 | 30,322 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,529,565 |
| Africa Capitals Quiz | 0 | - | 4.99 | 635,115 |
| Asia Capitals Quiz | 0 | - | 4.98 | 594,746 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,493 |
| Name a World Capital A-Z | 0 | - | 4.99 | 141,122 |
| Los Angeles A-Z | 0 | - | 4.14 | 8,786 |
| Name a City - European Countries | 0 | - | 4.95 | 52,000 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,852 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,106 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.49 | 31,931 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 80,042 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,663 |
| Europe Capital to Country | 0 | - | 4.99 | 220,129 |
| Asia Capital to Country | 0 | - | 4.96 | 105,745 |
| EU Capitals with No Hints | 0 | - | 4.96 | 124,578 |
| European Capitals by Map | 0 | - | 4.99 | 93,740 |
| African Capitals by Map | 0 | - | 4.99 | 110,781 |
| Asian Capitals by Map | 0 | - | 4.98 | 47,173 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 78,977 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 72,145 |
| European Coastal Capitals | 0 | - | 4.95 | 77,239 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,611 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 228,481 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 193,933 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,114 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 125,928 |
| Official Cities in the UK | 0 | - | 4.86 | 232,501 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,654 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,911 |
| South America Capitals Quiz | 0 | - | 5.00 | 419,889 |
| North America Capitals Quiz | 0 | - | 4.99 | 186,209 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,228 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,302 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,341 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,003 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,942 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,412 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,295 |
| European Capitals Ending in N | 0 | - | 4.92 | 73,995 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 74,794 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,446 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.51 | 30,444 |
| Which City in Texas? | 0 | - | 4.43 | 23,443 |
| Which City in California? | 0 | - | 4.54 | 30,072 |
| Which City in Florida? | 0 | - | 4.59 | 10,250 |
| California A-Z | 0 | - | 4.48 | 27,828 |
| European Cities A-Z | 0 | - | 4.23 | 70,474 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 93,616 |
| World Capitals Quiz | 0 | - | 5.00 | 4,501,955 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,674 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 114,848 |
| Name a Valid European Capital | 0 | - | 4.94 | 123,320 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.87 | 68,047 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 82,111 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 120,003 |
| Capitals of the Stans | 0 | - | 4.95 | 21,240 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 137,175 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,572 |
| European Cities with the Biggest Economies | 0 | - | 4.58 | 35,370 |
| Divided World City Name Puzzle #2 | 0 | - | 4.91 | 29,449 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,384,314 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,166 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,632 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,729 |
| Random European Capital to Country | 0 | - | 4.97 | 152,858 |
| Random European Country to Capital | 0 | - | 4.92 | 135,071 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,702 |
| Random Asian Capital to Country | 0 | - | 4.97 | 89,247 |
| Random African Capital to Country | 0 | - | 4.97 | 79,534 |
| Random African Country to Capital | 0 | - | 4.94 | 61,913 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.70 | 31,779 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.57 | 44,074 |
| Hong Kong A-Z | 0 | - | 4.52 | 13,624 |
| Rust Belt Cities Map Quiz | 0 | - | 4.56 | 32,201 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.85 | 51,047 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 172,956 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 150,049 |
| U.S. Cities A-Z | 0 | - | 4.21 | 30,645 |
| Random U.S. City to State | 0 | - | 4.44 | 65,775 |
| Random Cities Near Chicago on a Map | 0 | - | 4.50 | 31,051 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,142 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,463 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,158 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,074 |
| Random European Capitals on a Map | 0 | - | 4.97 | 106,969 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 40,499 |
| Which City in Europe? | 0 | - | 4.84 | 97,431 |
| Chicago A-Z | 0 | - | 4.18 | 10,219 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,823 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 36,843 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,507 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,917 |
| Northernmost Capital Cities | 0 | - | 4.98 | 94,077 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,769 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,410 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,882 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,596 |
| Countries by Capital City | 0 | - | 4.99 | 49,499 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,959 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,122 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,024 |
| Moved Capital Cities | 0 | - | 4.94 | 52,312 |
| Random Capital to Country | 0 | - | 4.99 | 2,362,803 |
| Random Country to Capital | 0 | - | 4.98 | 803,333 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,270 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,140 |
| Snowiest U.S. State Capitals | 0 | - | 4.43 | 27,225 |
| Hottest U.S. State Capitals | 0 | - | 4.76 | 21,721 |
| Coldest U.S. State Capitals | 0 | - | 4.57 | 18,964 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,760 |
| Which City in Canada? | 0 | - | 4.89 | 45,241 |
| Boroughs of New York City | 0 | - | 4.44 | 77,164 |
| Rome A-Z | 0 | - | 4.36 | 14,918 |
| Paris A-Z | 0 | - | 4.13 | 16,294 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 107,469 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 99,989 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 177,396 |
| Australia A-Z | 0 | - | 4.48 | 38,454 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,948 |
| European Capitals by Airport Code | 0 | - | 4.89 | 25,205 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,056 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,193 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,996 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,151 |
| Important Cities in European History | 0 | - | 4.55 | 109,852 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,865 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,807 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,490 |
| European Cities by Map #1 | 0 | - | 4.64 | 51,848 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,951 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,183 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 193,552 |
| ALL California Cities | 0 | - | 4.35 | 39,142 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,440 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,573 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,369 |
| Cities in Squares on a Map - Europe | 0 | - | 4.72 | 46,045 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 104,607 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 28,918 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.38 | 36,924 |
| Cities by Former Name | 0 | - | 4.86 | 71,436 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,628 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 26,971 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,041 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,572 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,481 |
| Capital Cities Chain | 0 | - | 4.86 | 71,479 |
| World Capitals by Proximity | 0 | - | 4.88 | 299,528 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 234,697 |
| Coldest World Capitals | 0 | - | 4.96 | 128,066 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,866 |
| World Capitals by Map | 0 | - | 5.00 | 241,995 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,336 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,005 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,773 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 41,190 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,233 |
| World Capitals By Letter - K | 0 | - | 4.82 | 65,902 |
| World Capitals By Letter - M | 0 | - | 4.90 | 85,967 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,065 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,287 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,526 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,434 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,238 |
| World Capitals By Letter - A | 0 | - | 4.96 | 104,636 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,867 |
| World Capitals By Letter - D | 0 | - | 4.91 | 78,985 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,476 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,353 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,602 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.42 | 51,276 |
| Countries with the Most Christians | 0 | - | 4.93 | 107,590 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 72,606 |
| Italy A-Z | 0 | - | 4.43 | 40,615 |
| China A-Z | 0 | - | 4.64 | 60,389 |
| Germany A-Z | 0 | - | 4.65 | 49,880 |
| Japan A-Z | 0 | - | 4.50 | 38,692 |
| Scotland A-Z | 0 | - | 4.75 | 37,772 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,494 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 161,055 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,533 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,940 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 86,303 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,140 |
| U.S. City Nicknames | 0 | - | 4.22 | 99,355 |
| Westernmost Cities in the U.S. | 0 | - | 4.35 | 15,657 |
| UK Cities and Towns by Map | 0 | - | 4.56 | 43,831 |
| South American Cities on the Map | 0 | - | 4.55 | 33,166 |
| British Cities with the Most Tourists | 0 | - | 4.80 | 55,696 |
| Random European City to Country | 0 | - | 4.72 | 106,395 |
| Random Asian City to Country | 0 | - | 4.52 | 33,705 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.59 | 37,629 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.37 | 24,515 |
| Every City in Washington State on a Map | 0 | - | 4.49 | 8,825 |
