| New York City A-Z | 0 | - | 4.18 | 32,242 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,438 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,494 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,090 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,277 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,933 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,467 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,368 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,477 |
| Name a City - European Countries | 0 | - | 4.91 | 64,922 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,909 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,327 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,850 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,004 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,148 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,509 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,465 |
| Europe Capital to Country | 0 | - | 4.99 | 249,000 |
| Asia Capital to Country | 0 | - | 4.96 | 126,209 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,210 |
| European Capitals by Map | 0 | - | 4.99 | 137,851 |
| African Capitals by Map | 0 | - | 4.99 | 132,905 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,365 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,755 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,650 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,020 |
| European Coastal Capitals | 0 | - | 4.95 | 90,162 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,372 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,350 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,986 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,606 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,145 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,649 |
| Official Cities in the UK | 0 | - | 4.89 | 282,250 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,321 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,358 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,020 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,730 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,695 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,538 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,945 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,869 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,016 |
| US States and State Capitals | 0 | - | 4.99 | 160,378 |
| Which City in California? | 0 | - | 4.56 | 31,972 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,817 |
| California A-Z | 0 | - | 4.49 | 28,747 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,520 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,689 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,257 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,124 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,059 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,755 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,699 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,653 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,135 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,652 |
| Chicago A-Z | 0 | - | 4.25 | 15,488 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,943 |
| Capitals of the Stans | 0 | - | 4.95 | 26,617 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,061 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,997 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,159 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,156 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,781 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,303 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,949 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,393 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,504 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,947 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,917 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,248 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,370 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,512 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,812 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,277 |
| Random European Capital to Country | 0 | - | 4.98 | 190,078 |
| Random European Country to Capital | 0 | - | 4.92 | 157,707 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,858 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,931 |
| Random African Capital to Country | 0 | - | 4.97 | 100,136 |
| Random African Country to Capital | 0 | - | 4.94 | 70,668 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,384 |
| Which City in New York State? | 0 | - | 4.60 | 15,918 |
| Which City in Europe? | 0 | - | 4.83 | 107,024 |
| Which City in Texas? | 0 | - | 4.45 | 25,035 |
| Which City in Florida? | 0 | - | 4.61 | 10,956 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,846 |
| British Places A-Z | 0 | - | 4.29 | 79,750 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,657 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,512 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,510 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,096 |
| Random U.S. City to State | 0 | - | 4.45 | 75,784 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,686 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,121 |
| Find the City #1 | 0 | - | 4.97 | 42,505 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,637 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,072 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,092 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,355 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,224 |
| Countries by Capital City | 0 | - | 5.00 | 67,530 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,771 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,274 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,807 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,729 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,853 |
| Moved Capital Cities | 0 | - | 4.96 | 73,901 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,185 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,729 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,975 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,718 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,604 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,571 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,128 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,845 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,228 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,974 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,117 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,335 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,925 |
| Which City in Canada? | 0 | - | 4.82 | 56,872 |
| Boroughs of New York City | 0 | - | 4.47 | 84,351 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,939 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,750 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,699 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,396 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,272 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,970 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,967 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,379 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,757 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,445 |
| North American Sports Cities | 0 | - | 4.83 | 171,433 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,057 |
| Cities in European History #1 | 0 | - | 4.63 | 133,573 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,268 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,651 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,843 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,079 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,331 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,058 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,490 |
| Name a Valid World City | 0 | - | 4.83 | 70,656 |
| Cities by Former Name | 0 | - | 4.84 | 91,289 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,225 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,459 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,187 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,554 |
| World Capitals by Map | 0 | - | 5.00 | 284,896 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,994 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,690 |
| Random Country to Capital | 0 | - | 4.98 | 915,343 |
| Capitals Starting With H | 0 | - | 4.90 | 91,754 |
| Capitals Starting With K | 0 | - | 4.85 | 75,962 |
| Capitals Starting With L | 0 | - | 4.81 | 87,172 |
| Capitals Starting With M | 0 | - | 4.93 | 106,622 |
| Capitals Starting With P | 0 | - | 4.88 | 77,469 |
| Capitals Starting With R | 0 | - | 4.87 | 81,254 |
| Capitals Starting With S | 0 | - | 4.89 | 85,095 |
| Capitals Starting With T | 0 | - | 4.84 | 75,584 |
| Capitals Starting With W | 0 | - | 4.87 | 90,873 |
| Capitals Starting With A | 0 | - | 4.97 | 126,976 |
| Capitals Starting With B | 0 | - | 4.89 | 117,660 |
| Capitals Starting With D | 0 | - | 4.93 | 95,734 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,990 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,867 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,441 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,909 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,371 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,669 |
| Scotland A-Z | 0 | - | 4.73 | 41,159 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,606 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,316 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,391 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,843 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,682 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,519 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,384 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,038 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,590 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,749 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,443 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,434 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,429 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,330 |
| South American Cities on the Map | 0 | - | 4.56 | 35,322 |
| North America Cities by Map | 0 | - | 4.41 | 47,715 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,576 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,017 |
| ALL California Cities | 0 | - | 4.37 | 42,942 |
| Random European City to Country | 0 | - | 4.69 | 117,116 |
| Random Asian City to Country | 0 | - | 4.56 | 44,439 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,131 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,372 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,001 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,613 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,565 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,688 |
