| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,222 |
| Los Angeles A-Z | 0 | - | 4.16 | 8,839 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,204 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,875 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,135 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,541,222 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,869 |
| Most Guessed U.S. Cities | 0 | - | 4.90 | 92,393 |
| Name a City - European Countries | 0 | - | 4.95 | 53,037 |
| Africa Capitals Quiz | 0 | - | 4.99 | 643,521 |
| Asia Capitals Quiz | 0 | - | 4.98 | 602,153 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,487 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,723 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,867 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 58,079 |
| Europe Capital to Country | 0 | - | 4.99 | 222,255 |
| Asia Capital to Country | 0 | - | 4.96 | 106,661 |
| EU Capitals with No Hints | 0 | - | 4.96 | 126,281 |
| European Capitals by Map | 0 | - | 4.99 | 96,495 |
| African Capitals by Map | 0 | - | 4.99 | 112,787 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,396 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,959 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,340 |
| European Coastal Capitals | 0 | - | 4.95 | 78,093 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,195 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 232,216 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 196,123 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,520 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 127,205 |
| Official Cities in the UK | 0 | - | 4.86 | 235,129 |
| South America Capitals Quiz | 0 | - | 5.00 | 431,085 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,822 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,123 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,046 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,649 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,722 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 67,431 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,163 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,537 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 75,722 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,920 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 122,927 |
| Boroughs of New York City | 0 | - | 4.45 | 77,709 |
| California A-Z | 0 | - | 4.48 | 27,891 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 56,541 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 96,257 |
| World Capitals Quiz | 0 | - | 5.00 | 4,546,744 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,208 |
| Name a Valid European Capital | 0 | - | 4.94 | 126,724 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 92,440 |
| Chicago A-Z | 0 | - | 4.20 | 10,276 |
| Random U.S. States on a Map | 0 | - | 4.95 | 504,476 |
| Capitals of the Stans | 0 | - | 4.95 | 21,606 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,321 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,864 |
| European Cities with the Biggest Economies | 0 | - | 4.58 | 35,620 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,399,495 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,200 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,880 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,211 |
| Random European Capital to Country | 0 | - | 4.97 | 154,275 |
| Random European Country to Capital | 0 | - | 4.92 | 136,164 |
| Random Asian Country to Capital | 0 | - | 4.94 | 86,389 |
| Random Asian Capital to Country | 0 | - | 4.97 | 90,380 |
| Random African Capital to Country | 0 | - | 4.97 | 80,639 |
| Random African Country to Capital | 0 | - | 4.94 | 62,501 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.70 | 31,977 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 44,249 |
| Melbourne Suburbs | 0 | - | 4.81 | 38,549 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 123,035 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,280 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,236 |
| British Places A-Z | 0 | - | 4.32 | 76,295 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 131,173 |
| Random U.S. City to State | 0 | - | 4.44 | 66,390 |
| Random Cities Near Chicago on a Map | 0 | - | 4.50 | 31,369 |
| World Capitals Closest to Bangkok | 0 | - | 4.90 | 38,346 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,743 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,735 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,541 |
| Random European Capitals on a Map | 0 | - | 4.97 | 108,269 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.49 | 32,064 |
| Which City in Europe? | 0 | - | 4.84 | 98,385 |
| Which City in Texas? | 0 | - | 4.43 | 23,580 |
| Which City in California? | 0 | - | 4.54 | 30,212 |
| Which City in Florida? | 0 | - | 4.60 | 10,305 |
| New York City Trivia #1 | 0 | - | 4.14 | 34,082 |
| Flags of the Countries that Start with C | 0 | - | 4.91 | 119,649 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 140,907 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 108,091 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,189 |
| European Capitals by Airport Code | 0 | - | 4.89 | 26,052 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,708 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,417 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,205 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,945 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.36 | 39,957 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,514 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,061 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,511 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,052 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,347 |
| Find the City #1 | 0 | - | 4.97 | 35,086 |
| Cities by Former Name | 0 | - | 4.86 | 72,215 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 27,171 |
| Capitals in their Native Languages | 0 | - | 4.94 | 127,817 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,290 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,445 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,773 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,181 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,369 |
| Same Letter Country and Capital | 0 | - | 4.99 | 129,084 |
| Countries by Capital City | 0 | - | 4.99 | 50,740 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,715 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,808 |
| World Capitals by Proximity | 0 | - | 4.89 | 302,163 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 235,447 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,916 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 49,145 |
| Moved Capital Cities | 0 | - | 4.96 | 67,660 |
| World Capitals by Map | 0 | - | 5.00 | 245,496 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,784 |
| Random Capital to Country | 0 | - | 4.99 | 2,383,327 |
| Random Country to Capital | 0 | - | 4.98 | 810,538 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,788 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,439 |
| World Capitals By Letter - M | 0 | - | 4.89 | 86,683 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,633 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,788 |
| World Capitals By Letter - S | 0 | - | 4.89 | 75,099 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,949 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,800 |
| World Capitals By Letter - A | 0 | - | 4.96 | 105,595 |
| World Capitals By Letter - B | 0 | - | 4.85 | 97,619 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,778 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 107,201 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,376 |
| Snowiest U.S. State Capitals | 0 | - | 4.43 | 27,298 |
| Hottest U.S. State Capitals | 0 | - | 4.76 | 21,864 |
| Coldest U.S. State Capitals | 0 | - | 4.57 | 19,025 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,638 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 75,595 |
| Which City in Canada? | 0 | - | 4.89 | 45,730 |
| Hong Kong A-Z | 0 | - | 4.52 | 13,715 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 100,686 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 178,772 |
| Category Elimination - U.S. States #1 | 0 | - | 4.90 | 196,773 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,925 |
| Important Cities in European History | 0 | - | 4.55 | 110,333 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 90,283 |
| European Cities by Map #2 | 0 | - | 4.48 | 44,686 |
| European Cities by Map #1 | 0 | - | 4.66 | 52,097 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 39,071 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,397 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 194,907 |
| ALL California Cities | 0 | - | 4.36 | 39,498 |
| Random European City to Country | 0 | - | 4.71 | 107,620 |
| Random Asian City to Country | 0 | - | 4.52 | 33,879 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 119,338 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 46,641 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 105,249 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.39 | 37,416 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,368 |
| World Capitals Closest to Jerusalem | 0 | - | 4.45 | 43,036 |
| Capital Cities Chain | 0 | - | 4.86 | 72,130 |
| Coldest World Capitals | 0 | - | 4.96 | 128,486 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,397 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 13,179 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 79,630 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 43,053 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,699 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,468 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.42 | 51,516 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.51 | 30,570 |
| Neighborhoods of New York City | 0 | - | 4.35 | 27,269 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 22,467 |
| Scotland A-Z | 0 | - | 4.75 | 38,051 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,304 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,285 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,611 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,973 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,354 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,929 |
| U.S. City Nicknames | 0 | - | 4.23 | 99,864 |
| American TV Show Settings Quiz | 0 | - | 4.35 | 29,752 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 63,413 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 15,714 |
| UK Cities and Towns by Map | 0 | - | 4.54 | 44,120 |
| South American Cities on the Map | 0 | - | 4.55 | 33,344 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 25,125 |
| Most Guessed Cities by Country #3 | 0 | - | 4.87 | 20,891 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 40,617 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.60 | 38,578 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.37 | 24,679 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.56 | 5,984 |
| Every City in Colorado on a Map | 0 | - | 4.43 | 9,670 |
| Every City in Washington State on a Map | 0 | - | 4.51 | 9,228 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.86 | 28,536 |
| Capitals A-Z | 0 | - | 4.85 | 42,113 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,544 |
