| New York City A-Z | 0 | - | 4.18 | 32,238 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,440 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,410 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,029 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,249 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,913 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,078 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,632 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,062 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,351 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,478 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,491 |
| Name a City - European Countries | 0 | - | 4.91 | 64,837 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,833 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,993 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,969 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,112 |
| Which City in California? | 0 | - | 4.56 | 31,970 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,098 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,452 |
| Europe Capital to Country | 0 | - | 4.99 | 248,924 |
| Asia Capital to Country | 0 | - | 4.96 | 126,174 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,149 |
| European Capitals by Map | 0 | - | 4.99 | 137,736 |
| African Capitals by Map | 0 | - | 4.99 | 132,831 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,728 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,603 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,977 |
| European Coastal Capitals | 0 | - | 4.95 | 90,112 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,354 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,237 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,788 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,587 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,091 |
| Official Cities in the UK | 0 | - | 4.89 | 282,148 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,747 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,079 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,343 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,314 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,675 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,445 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,226 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,241 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,978 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,696 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,593 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,516 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,921 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,895 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,822 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,994 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,611 |
| Which City in Texas? | 0 | - | 4.45 | 25,033 |
| Which City in Florida? | 0 | - | 4.61 | 10,955 |
| California A-Z | 0 | - | 4.49 | 28,746 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,360 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,642 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,144 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,098 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,734 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,736 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,121 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,644 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,944 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,614 |
| US States and State Capitals | 0 | - | 4.99 | 160,232 |
| Capitals of the Stans | 0 | - | 4.95 | 26,603 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,149 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,516 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,125 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,757 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,295 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,943 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,426 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,867 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,905 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,238 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,302 |
| Random European Capital to Country | 0 | - | 4.98 | 189,783 |
| Random European Country to Capital | 0 | - | 4.92 | 148,535 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,682 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,785 |
| Random African Capital to Country | 0 | - | 4.97 | 100,033 |
| Random African Country to Capital | 0 | - | 4.94 | 70,563 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,648 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,127 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,350 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,746 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,967 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,765 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,810 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,018 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,884 |
| Random U.S. City to State | 0 | - | 4.45 | 75,730 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,107 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,732 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,911 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,849 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,498 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,802 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,220 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,730 |
| Which City in Europe? | 0 | - | 4.83 | 107,006 |
| Chicago A-Z | 0 | - | 4.25 | 15,485 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,648 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,463 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,502 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,678 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,602 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,054 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,060 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,322 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,174 |
| Countries by Capital City | 0 | - | 5.00 | 67,480 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,744 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,250 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,704 |
| Moved Capital Cities | 0 | - | 4.96 | 73,887 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,268 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,138 |
| Random Country to Capital | 0 | - | 4.98 | 914,995 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,716 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,969 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,599 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,562 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,123 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,841 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,224 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,903 |
| Which City in Canada? | 0 | - | 4.82 | 56,858 |
| Boroughs of New York City | 0 | - | 4.47 | 84,331 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,930 |
| Rome A-Z | 0 | - | 4.39 | 24,439 |
| Paris A-Z | 0 | - | 4.16 | 17,419 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,792 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,947 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,347 |
| Australia A-Z | 0 | - | 4.54 | 49,876 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,748 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,425 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,298 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,054 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,978 |
| North American Sports Cities | 0 | - | 4.83 | 171,381 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,035 |
| Cities in European History #1 | 0 | - | 4.63 | 133,548 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,435 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,263 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,645 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,316 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,841 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,071 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,543 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,917 |
| ALL California Cities | 0 | - | 4.37 | 42,934 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,322 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,105 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,040 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,459 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,539 |
| Name a Valid World City | 0 | - | 4.83 | 70,611 |
| Cities by Former Name | 0 | - | 4.84 | 91,266 |
| Former Capitals | 0 | - | 4.88 | 71,281 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,213 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,448 |
| Capital Cities Chain | 0 | - | 4.84 | 82,256 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,166 |
| Coldest World Capitals | 0 | - | 4.95 | 133,215 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,504 |
| World Capitals by Map | 0 | - | 5.00 | 284,810 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,978 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,137 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,386 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,897 |
| Capitals Starting With H | 0 | - | 4.90 | 91,720 |
| Capitals Starting With K | 0 | - | 4.85 | 75,931 |
| Capitals Starting With L | 0 | - | 4.81 | 87,146 |
| Capitals Starting With M | 0 | - | 4.93 | 106,582 |
| Capitals Starting With P | 0 | - | 4.88 | 77,446 |
| Capitals Starting With R | 0 | - | 4.87 | 81,228 |
| Capitals Starting With S | 0 | - | 4.89 | 85,072 |
| Capitals Starting With T | 0 | - | 4.84 | 75,556 |
| Capitals Starting With W | 0 | - | 4.87 | 90,850 |
| Capitals Starting With A | 0 | - | 4.97 | 126,932 |
| Capitals Starting With B | 0 | - | 4.89 | 117,620 |
| Capitals Starting With D | 0 | - | 4.93 | 95,699 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,984 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,856 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,430 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,905 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,368 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,661 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,301 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,520 |
| India A-Z | 0 | - | 4.42 | 34,024 |
| Italy A-Z | 0 | - | 4.49 | 58,017 |
| China A-Z | 0 | - | 4.55 | 66,970 |
| Germany A-Z | 0 | - | 4.56 | 62,467 |
| Scotland A-Z | 0 | - | 4.73 | 41,149 |
