| Most Guessed U.S. Cities | 0 | - | 4.90 | 91,245 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 61,456 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 72,569 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 62,757 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,674 |
| New York City A-Z | 0 | - | 4.19 | 30,303 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,527,610 |
| Africa Capitals Quiz | 0 | - | 4.99 | 634,231 |
| Asia Capitals Quiz | 0 | - | 4.98 | 593,683 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,455 |
| Name a World Capital A-Z | 0 | - | 4.99 | 140,947 |
| Los Angeles A-Z | 0 | - | 4.14 | 8,782 |
| Name a City - European Countries | 0 | - | 4.95 | 51,900 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 79,772 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.85 | 39,078 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.49 | 31,923 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 79,872 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 56,528 |
| Europe Capital to Country | 0 | - | 4.99 | 219,871 |
| Asia Capital to Country | 0 | - | 4.96 | 105,658 |
| EU Capitals with No Hints | 0 | - | 4.96 | 124,410 |
| European Capitals by Map | 0 | - | 4.99 | 93,413 |
| African Capitals by Map | 0 | - | 4.99 | 110,486 |
| Asian Capitals by Map | 0 | - | 4.98 | 46,969 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 78,847 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 72,021 |
| European Coastal Capitals | 0 | - | 4.95 | 77,136 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 46,568 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 228,182 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 193,636 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,051 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 125,698 |
| Official Cities in the UK | 0 | - | 4.86 | 232,169 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.58 | 130,571 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 39,836 |
| South America Capitals Quiz | 0 | - | 5.00 | 419,382 |
| North America Capitals Quiz | 0 | - | 4.99 | 185,963 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 52,116 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,225 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 105,178 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,915 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 66,889 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,354 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 51,154 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,917 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 74,676 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,387 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.51 | 30,429 |
| Which City in Texas? | 0 | - | 4.43 | 23,425 |
| Which City in California? | 0 | - | 4.54 | 30,055 |
| Which City in Florida? | 0 | - | 4.59 | 10,243 |
| California A-Z | 0 | - | 4.48 | 27,811 |
| European Cities A-Z | 0 | - | 4.23 | 70,443 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 93,307 |
| World Capitals Quiz | 0 | - | 5.00 | 4,496,117 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 73,619 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 114,664 |
| Name a Valid European Capital | 0 | - | 4.93 | 120,711 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.86 | 67,905 |
| Random U.S. State Capitals on a Map | 0 | - | 4.94 | 82,021 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 119,603 |
| Capitals of the Stans | 0 | - | 4.95 | 21,177 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 137,012 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,520 |
| European Cities with the Biggest Economies | 0 | - | 4.58 | 35,343 |
| Divided World City Name Puzzle #2 | 0 | - | 4.91 | 29,384 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,382,111 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 116,029 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,117 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,608 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,651 |
| Random European Capital to Country | 0 | - | 4.97 | 152,693 |
| Random European Country to Capital | 0 | - | 4.92 | 134,949 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,630 |
| Random Asian Capital to Country | 0 | - | 4.97 | 89,140 |
| Random African Capital to Country | 0 | - | 4.97 | 79,438 |
| Random African Country to Capital | 0 | - | 4.94 | 61,871 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.70 | 31,768 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.57 | 44,043 |
| Hong Kong A-Z | 0 | - | 4.52 | 13,616 |
| Rust Belt Cities Map Quiz | 0 | - | 4.55 | 32,167 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 50,990 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 172,811 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 149,908 |
| U.S. Cities A-Z | 0 | - | 4.21 | 30,633 |
| Random U.S. City to State | 0 | - | 4.44 | 65,684 |
| Random Cities Near Chicago on a Map | 0 | - | 4.50 | 31,009 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,421 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,116 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,033 |
| Random European Capitals on a Map | 0 | - | 4.97 | 106,848 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 40,468 |
| Which City in Europe? | 0 | - | 4.84 | 97,376 |
| Chicago A-Z | 0 | - | 4.18 | 10,211 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,670 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,812 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.34 | 35,942 |
| Global Cities on a World Map | 0 | - | 4.92 | 91,416 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.26 | 31,906 |
| Northernmost Capital Cities | 0 | - | 4.98 | 93,958 |
| Most Remote Capital Cities | 0 | - | 4.90 | 43,698 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 34,323 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 90,750 |
| Same Letter Country and Capital | 0 | - | 4.99 | 127,134 |
| Countries by Capital City | 0 | - | 4.99 | 49,320 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 65,881 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,025 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 72,909 |
| Moved Capital Cities | 0 | - | 4.94 | 52,245 |
| Random Capital to Country | 0 | - | 4.99 | 2,360,158 |
| Random Country to Capital | 0 | - | 4.98 | 802,081 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 106,213 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,114 |
| Snowiest U.S. State Capitals | 0 | - | 4.43 | 27,222 |
| Hottest U.S. State Capitals | 0 | - | 4.76 | 21,696 |
| Coldest U.S. State Capitals | 0 | - | 4.57 | 18,957 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 74,671 |
| Which City in Canada? | 0 | - | 4.89 | 45,186 |
| Boroughs of New York City | 0 | - | 4.44 | 77,070 |
| Rome A-Z | 0 | - | 4.36 | 14,908 |
| Paris A-Z | 0 | - | 4.13 | 16,283 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 107,344 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 99,878 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 177,254 |
| Australia A-Z | 0 | - | 4.48 | 38,427 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 88,898 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,972 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,665 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,950 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,129 |
| Important Cities in European History | 0 | - | 4.55 | 109,774 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 82,826 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 89,735 |
| European Cities by Map #2 | 0 | - | 4.47 | 44,463 |
| European Cities by Map #1 | 0 | - | 4.64 | 51,805 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,933 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,163 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 193,402 |
| ALL California Cities | 0 | - | 4.35 | 39,111 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,428 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 118,481 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.88 | 91,306 |
| Cities in Squares on a Map - Europe | 0 | - | 4.72 | 45,958 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 104,533 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 28,784 |
| Cities by Former Name | 0 | - | 4.86 | 71,335 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,624 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 26,934 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,016 |
| Capitals in their Native Languages | 0 | - | 4.95 | 127,546 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,431 |
| Capital Cities Chain | 0 | - | 4.86 | 71,401 |
| World Capitals by Proximity | 0 | - | 4.88 | 299,137 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 234,585 |
| Coldest World Capitals | 0 | - | 4.96 | 128,020 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 48,819 |
| World Capitals by Map | 0 | - | 5.00 | 241,581 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,257 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 62,948 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 78,634 |
| World Capitals By Letter - H | 0 | - | 4.84 | 71,169 |
| World Capitals By Letter - K | 0 | - | 4.81 | 65,839 |
| World Capitals By Letter - M | 0 | - | 4.90 | 85,872 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,001 |
| World Capitals By Letter - R | 0 | - | 4.87 | 72,231 |
| World Capitals By Letter - S | 0 | - | 4.89 | 74,440 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,370 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,185 |
| World Capitals By Letter - A | 0 | - | 4.96 | 104,514 |
| World Capitals By Letter - B | 0 | - | 4.84 | 96,758 |
| World Capitals By Letter - D | 0 | - | 4.91 | 78,907 |
| U.S. State Capital Etymology | 0 | - | 4.51 | 34,447 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.72 | 32,336 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,592 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.42 | 51,254 |
| Countries with the Most Christians | 0 | - | 4.93 | 107,388 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 72,485 |
| Italy A-Z | 0 | - | 4.43 | 40,596 |
| China A-Z | 0 | - | 4.64 | 60,300 |
| Germany A-Z | 0 | - | 4.65 | 49,833 |
| Japan A-Z | 0 | - | 4.49 | 38,655 |
| Scotland A-Z | 0 | - | 4.75 | 37,744 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 205,205 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 160,861 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 157,331 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.91 | 80,834 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.90 | 84,731 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,914 |
| U.S. City Nicknames | 0 | - | 4.22 | 99,326 |
| Westernmost Cities in the U.S. | 0 | - | 4.35 | 15,654 |
| UK Cities and Towns by Map | 0 | - | 4.56 | 43,804 |
| South American Cities on the Map | 0 | - | 4.55 | 33,137 |
| British Cities with the Most Tourists | 0 | - | 4.80 | 55,634 |
| Random European City to Country | 0 | - | 4.72 | 106,290 |
| Random Asian City to Country | 0 | - | 4.52 | 33,659 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.59 | 37,500 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.37 | 24,494 |
| Every City in Washington State on a Map | 0 | - | 4.49 | 8,758 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.86 | 28,109 |
| Capitals A-Z | 0 | - | 4.84 | 41,768 |
