| New York City A-Z | 0 | - | 4.18 | 32,392 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,082 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,505 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,927 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,546 |
| Chicago A-Z | 0 | - | 4.25 | 15,554 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,110 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,215 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,597 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,554 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,844 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,129 |
| Which City in California? | 0 | - | 4.56 | 32,168 |
| Name a City - European Countries | 0 | - | 4.89 | 66,252 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,397 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,319 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,763 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,350 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,565 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,164 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,040 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,159 |
| Europe Capital to Country | 0 | - | 4.99 | 252,276 |
| Asia Capital to Country | 0 | - | 4.96 | 127,618 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,096 |
| European Capitals by Map | 0 | - | 4.99 | 142,284 |
| African Capitals by Map | 0 | - | 4.99 | 142,354 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,221 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,010 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,978 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,256 |
| European Coastal Capitals | 0 | - | 4.95 | 91,389 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,229 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,961 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,962 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,200 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,171 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,905 |
| Official Cities in the UK | 0 | - | 4.89 | 286,541 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,406 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,582 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,540 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,422 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,292 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,638 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,203 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,434 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,619 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,499 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,998 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,709 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,748 |
| US States and State Capitals | 0 | - | 4.99 | 165,637 |
| Which City in New York State? | 0 | - | 4.60 | 16,070 |
| Which City in Texas? | 0 | - | 4.45 | 25,168 |
| Which City in Florida? | 0 | - | 4.61 | 11,034 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,720 |
| California A-Z | 0 | - | 4.49 | 28,851 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 38,600 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,465 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,011 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,505 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,176 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,550 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,723 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,331 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,721 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,438 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,881 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,433 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,790 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,676 |
| Capitals of the Stans | 0 | - | 4.95 | 27,187 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,711 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,329 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,618 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,891 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,246 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,629 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,331 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,511 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,748 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,505 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,184 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,503 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,122 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,291 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,400 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,459 |
| Random European Capital to Country | 0 | - | 4.98 | 192,233 |
| Random European Country to Capital | 0 | - | 4.93 | 165,984 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,043 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,507 |
| Random African Capital to Country | 0 | - | 4.97 | 101,398 |
| Random African Country to Capital | 0 | - | 4.95 | 71,797 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,411 |
| Which City in Europe? | 0 | - | 4.83 | 107,923 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,890 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,952 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,398 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,649 |
| Random U.S. City to State | 0 | - | 4.45 | 76,966 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,895 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,460 |
| Find the City #1 | 0 | - | 4.97 | 43,386 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,451 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,021 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,269 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,322 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,239 |
| Countries by Capital City | 0 | - | 5.00 | 69,502 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,923 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,278 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,112 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,878 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,045 |
| Moved Capital Cities | 0 | - | 4.96 | 74,691 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,834 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,624 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,176 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,896 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,804 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,678 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,326 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,948 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,310 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,163 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,292 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,820 |
| Which City in Canada? | 0 | - | 4.83 | 57,383 |
| Boroughs of New York City | 0 | - | 4.47 | 85,355 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,141 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,857 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,769 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,861 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,070 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,428 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,509 |
| North American Sports Cities | 0 | - | 4.82 | 173,206 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,582 |
| Cities in European History #1 | 0 | - | 4.63 | 134,669 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,464 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,901 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,958 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,227 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,695 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,989 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,538 |
| Name a Valid World City | 0 | - | 4.85 | 72,049 |
| Cities by Former Name | 0 | - | 4.83 | 92,113 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,952 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,008 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,882 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,901 |
| World Capitals by Map | 0 | - | 5.00 | 289,668 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,865 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,668 |
| Random Country to Capital | 0 | - | 4.98 | 929,080 |
| Capitals Starting With H | 0 | - | 4.91 | 93,382 |
| Capitals Starting With K | 0 | - | 4.88 | 84,460 |
| Capitals Starting With M | 0 | - | 4.94 | 109,269 |
| Capitals Starting With P | 0 | - | 4.88 | 79,061 |
| Capitals Starting With R | 0 | - | 4.88 | 82,550 |
| Capitals Starting With S | 0 | - | 4.90 | 86,628 |
| Capitals Starting With T | 0 | - | 4.86 | 76,882 |
| Capitals Starting With W | 0 | - | 4.87 | 91,766 |
| Capitals Starting With A | 0 | - | 4.97 | 129,182 |
| Capitals Starting With B | 0 | - | 4.89 | 119,573 |
| Capitals Starting With D | 0 | - | 4.94 | 97,263 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,318 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,259 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,110 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,737 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,084 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,820 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,445 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,904 |
| Scotland A-Z | 0 | - | 4.73 | 41,474 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,184 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,335 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,725 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,280 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,097 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,979 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,925 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,252 |
| U.S. City Nicknames | 0 | - | 4.26 | 103,877 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,803 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,502 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,695 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,760 |
| South American Cities on the Map | 0 | - | 4.52 | 35,566 |
| North America Cities by Map | 0 | - | 4.41 | 47,957 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,985 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,601 |
| ALL California Cities | 0 | - | 4.37 | 43,260 |
| Random European City to Country | 0 | - | 4.69 | 118,494 |
| Random Asian City to Country | 0 | - | 4.56 | 44,626 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,735 |
