| New York City A-Z | 0 | - | 4.18 | 32,276 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,671 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,781 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,502 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,549 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,050 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,544 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,445 |
| Which City in California? | 0 | - | 4.56 | 31,999 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,768 |
| Name a City - European Countries | 0 | - | 4.90 | 65,194 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,910 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,015 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,025 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| California A-Z | 0 | - | 4.49 | 28,773 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,410 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,826 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,618 |
| Europe Capital to Country | 0 | - | 4.99 | 249,574 |
| Asia Capital to Country | 0 | - | 4.96 | 126,474 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,587 |
| European Capitals by Map | 0 | - | 4.99 | 138,585 |
| African Capitals by Map | 0 | - | 4.99 | 133,365 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,443 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,073 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,878 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,240 |
| European Coastal Capitals | 0 | - | 4.95 | 90,391 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,502 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,171 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,556 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,741 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,629 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,837 |
| Official Cities in the UK | 0 | - | 4.89 | 283,069 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,389 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,091 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,246 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,890 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,993 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,695 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,077 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,093 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,168 |
| US States and State Capitals | 0 | - | 4.99 | 161,286 |
| Random U.S. States on a Map | 0 | - | 4.96 | 625,114 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,651 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,939 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,032 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,362 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,212 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,901 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,075 |
| 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 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,836 |
| Chicago A-Z | 0 | - | 4.25 | 15,497 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,133 |
| Capitals of the Stans | 0 | - | 4.95 | 26,741 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,335 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,815 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,259 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,389 |
| ALL California Cities | 0 | - | 4.37 | 42,988 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,866 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,382 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,035 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,734 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,204 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,961 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,297 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,548 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,643 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,903 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,477 |
| Random European Capital to Country | 0 | - | 4.98 | 190,630 |
| Random European Country to Capital | 0 | - | 4.93 | 164,614 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,218 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,600 |
| Random African Capital to Country | 0 | - | 4.97 | 100,487 |
| Random African Country to Capital | 0 | - | 4.94 | 71,097 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,821 |
| Which City in New York State? | 0 | - | 4.60 | 15,953 |
| Which City in Europe? | 0 | - | 4.83 | 107,172 |
| Which City in Texas? | 0 | - | 4.45 | 25,057 |
| Which City in Florida? | 0 | - | 4.61 | 10,978 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,043 |
| British Places A-Z | 0 | - | 4.29 | 79,816 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,717 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,845 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,224 |
| Random U.S. City to State | 0 | - | 4.45 | 76,123 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,726 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,211 |
| Find the City #1 | 0 | - | 4.97 | 42,684 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,961 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,242 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,269 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,967 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,627 |
| Countries by Capital City | 0 | - | 5.00 | 67,918 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,971 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,462 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,640 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,963 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,881 |
| Moved Capital Cities | 0 | - | 4.96 | 74,056 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,403 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,850 |
| 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 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,595 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,159 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,862 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,247 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,014 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,149 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,107 |
| Which City in Canada? | 0 | - | 4.82 | 56,944 |
| Boroughs of New York City | 0 | - | 4.47 | 84,489 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,986 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,766 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,940 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,663 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,563 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,166 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,124 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,646 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,723 |
| North American Sports Cities | 0 | - | 4.83 | 171,752 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,245 |
| Cities in European History #1 | 0 | - | 4.63 | 133,802 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,308 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,702 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,867 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,102 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,513 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,251 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,660 |
| Name a Valid World City | 0 | - | 4.83 | 70,942 |
| Cities by Former Name | 0 | - | 4.83 | 91,422 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,328 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,575 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,330 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,889 |
| World Capitals by Map | 0 | - | 5.00 | 285,611 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,155 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,040 |
| Random Country to Capital | 0 | - | 4.98 | 918,345 |
| Capitals Starting With H | 0 | - | 4.91 | 92,150 |
| Capitals Starting With K | 0 | - | 4.87 | 80,850 |
| Capitals Starting With L | 0 | - | 4.81 | 87,630 |
| Capitals Starting With M | 0 | - | 4.93 | 107,206 |
| Capitals Starting With P | 0 | - | 4.88 | 77,835 |
| Capitals Starting With R | 0 | - | 4.87 | 81,511 |
| Capitals Starting With S | 0 | - | 4.90 | 85,438 |
| Capitals Starting With T | 0 | - | 4.85 | 75,880 |
| Capitals Starting With W | 0 | - | 4.87 | 91,077 |
| Capitals Starting With A | 0 | - | 4.97 | 127,439 |
| Capitals Starting With B | 0 | - | 4.89 | 118,067 |
| Capitals Starting With D | 0 | - | 4.93 | 96,078 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,035 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,896 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,497 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,943 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,723 |
| Scotland A-Z | 0 | - | 4.73 | 41,230 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,346 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,850 |
| California... or Florida? | 0 | - | 4.60 | 51,280 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,640 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,161 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,436 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,513 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,021 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,631 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,346 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,645 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,513 |
| 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 | 35,416 |
| South American Cities on the Map | 0 | - | 4.56 | 35,386 |
| North America Cities by Map | 0 | - | 4.41 | 47,758 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,783 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,595 |
| Random European City to Country | 0 | - | 4.69 | 117,463 |
| Random Asian City to Country | 0 | - | 4.56 | 44,458 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,696 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,622 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,195 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,743 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,696 |
