| New York City A-Z | 0 | - | 4.18 | 32,357 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,181 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,582 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,308 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,435 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,695,967 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,967 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,932 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,711 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,534 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,719 |
| Name a City - European Countries | 0 | - | 4.90 | 65,933 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,480 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,250 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,110 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,257 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,236 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,775 |
| Europe Capital to Country | 0 | - | 4.99 | 251,535 |
| Asia Capital to Country | 0 | - | 4.96 | 127,176 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,638 |
| European Capitals by Map | 0 | - | 4.99 | 141,363 |
| African Capitals by Map | 0 | - | 4.99 | 141,361 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,569 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,625 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,974 |
| European Coastal Capitals | 0 | - | 4.95 | 91,077 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,068 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,723 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,264 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,051 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 148,772 |
| Official Cities in the UK | 0 | - | 4.89 | 285,419 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,537 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,002 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,835 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,435 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,970 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,390 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,815 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,238 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,459 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,767 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,571 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,573 |
| Which City in California? | 0 | - | 4.56 | 32,130 |
| California A-Z | 0 | - | 4.49 | 28,824 |
| British Places A-Z | 0 | - | 4.29 | 80,037 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,692 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,329 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,850 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,152 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,441 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,227 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,432 |
| US States and State Capitals | 0 | - | 4.99 | 164,562 |
| Capitals of the Stans | 0 | - | 4.95 | 27,057 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,512 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,661 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,595 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,132 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,554 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,250 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,419 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,117 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,442 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,947 |
| Random European Capital to Country | 0 | - | 4.98 | 191,814 |
| Random European Country to Capital | 0 | - | 4.93 | 165,659 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,873 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,257 |
| Random African Capital to Country | 0 | - | 4.97 | 101,141 |
| Random African Country to Capital | 0 | - | 4.94 | 71,608 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,831 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,354 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,966 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,824 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,226 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,155 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,615 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,389 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,319 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,896 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,895 |
| Random U.S. City to State | 0 | - | 4.45 | 76,744 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,389 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,048 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,109 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,994 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,112 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,245 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,214 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,934 |
| Which City in Europe? | 0 | - | 4.83 | 107,752 |
| Which City in Texas? | 0 | - | 4.45 | 25,141 |
| Which City in Florida? | 0 | - | 4.61 | 11,018 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,261 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,894 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,964 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,605 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,843 |
| Find the City #1 | 0 | - | 4.97 | 43,203 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,893 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,792 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,978 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,910 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,779 |
| Countries by Capital City | 0 | - | 5.00 | 69,061 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,632 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,046 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,625 |
| Moved Capital Cities | 0 | - | 4.96 | 74,518 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,117 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,738 |
| Random Country to Capital | 0 | - | 4.98 | 925,362 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,242 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,106 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,837 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,754 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,657 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,278 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,922 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,293 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,622 |
| Which City in Canada? | 0 | - | 4.83 | 57,262 |
| Boroughs of New York City | 0 | - | 4.47 | 84,858 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,096 |
| Rome A-Z | 0 | - | 4.40 | 24,530 |
| Paris A-Z | 0 | - | 4.16 | 17,474 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,502 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,405 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,336 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,725 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,601 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,395 |
| Australia A-Z | 0 | - | 4.54 | 50,094 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,085 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,270 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,300 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,382 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,188 |
| North American Sports Cities | 0 | - | 4.83 | 172,935 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,486 |
| Cities in European History #1 | 0 | - | 4.63 | 134,430 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,420 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,848 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,657 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,932 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,187 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,702 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,029 |
| ALL California Cities | 0 | - | 4.37 | 43,183 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,478 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,782 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,322 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,410 |
| Name a Valid World City | 0 | - | 4.84 | 71,728 |
| Cities by Former Name | 0 | - | 4.83 | 91,891 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,483 |
| Former Capitals | 0 | - | 4.88 | 71,601 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,596 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,873 |
| Capital Cities Chain | 0 | - | 4.84 | 83,174 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,675 |
| Coldest World Capitals | 0 | - | 4.95 | 134,060 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,613 |
| World Capitals by Map | 0 | - | 5.00 | 288,545 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,668 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,952 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,224 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,344 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,476 |
| Capitals Starting With H | 0 | - | 4.91 | 92,908 |
| Capitals Starting With K | 0 | - | 4.88 | 83,963 |
| Capitals Starting With L | 0 | - | 4.81 | 88,417 |
| Capitals Starting With M | 0 | - | 4.93 | 108,390 |
| Capitals Starting With P | 0 | - | 4.88 | 78,533 |
| Capitals Starting With R | 0 | - | 4.87 | 82,130 |
| Capitals Starting With S | 0 | - | 4.90 | 86,125 |
| Capitals Starting With T | 0 | - | 4.85 | 76,461 |
| Capitals Starting With W | 0 | - | 4.87 | 91,486 |
| Capitals Starting With A | 0 | - | 4.97 | 128,547 |
| Capitals Starting With B | 0 | - | 4.89 | 118,941 |
| Capitals Starting With D | 0 | - | 4.93 | 96,809 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,177 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,050 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,656 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,027 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,427 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,846 |
| Italy A-Z | 0 | - | 4.49 | 58,618 |
| China A-Z | 0 | - | 4.55 | 67,502 |
| Germany A-Z | 0 | - | 4.56 | 62,790 |
| Scotland A-Z | 0 | - | 4.73 | 41,403 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,985 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,245 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,045 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,648 |
