| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,864 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,686 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,789 |
| Asia Capital to Country | 0 | - | 4.96 | 127,275 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,768 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,113 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,310 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,301 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,124 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,271 |
| Which City in Australia? | 0 | - | 4.67 | 34,539 |
| Capitals of the Stans | 0 | - | 4.95 | 27,086 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,326 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,400 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,486 |
| Which City in Germany? | 0 | - | 4.50 | 137,198 |
| Which City in Italy? | 0 | - | 4.68 | 90,479 |
| Which City in France? | 0 | - | 4.67 | 73,327 |
| Which City in Spain? | 0 | - | 4.50 | 50,083 |
| Random Asian City to Country | 0 | - | 4.56 | 44,603 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,751 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,756 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,907 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,315 |
| Name a City - European Countries | 0 | - | 4.90 | 66,023 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,125 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,183 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,294 |
| Which City in Europe? | 0 | - | 4.83 | 107,802 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,269 |
| Which City in California? | 0 | - | 4.56 | 32,141 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,323 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,887 |
| Europe Capital to Country | 0 | - | 4.99 | 251,778 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,762 |
| European Capitals by Map | 0 | - | 4.99 | 141,728 |
| African Capitals by Map | 0 | - | 4.99 | 141,792 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,726 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,057 |
| European Coastal Capitals | 0 | - | 4.95 | 91,181 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,120 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,486 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,094 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,946 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,835 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,745 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,772 |
| Official Cities in the UK | 0 | - | 4.89 | 285,783 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,940 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,307 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,747 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,106 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,466 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,953 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,008 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,502 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,835 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,629 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,692 |
| Which City in Asia? | 0 | - | 4.52 | 51,538 |
| Which City in Canada? | 0 | - | 4.83 | 57,309 |
| Which City in Texas? | 0 | - | 4.45 | 25,149 |
| Which City in Florida? | 0 | - | 4.61 | 11,024 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,973 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,794 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,722 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,731 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,394 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,925 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,683 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,516 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,575 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,833 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,819 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,647 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,158 |
| Random European City to Country | 0 | - | 4.69 | 118,332 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,579 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,027 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,257 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,463 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,480 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,992 |
| Random European Capital to Country | 0 | - | 4.98 | 191,951 |
| Random European Country to Capital | 0 | - | 4.93 | 165,732 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,919 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,330 |
| Random African Capital to Country | 0 | - | 4.97 | 101,202 |
| Random African Country to Capital | 0 | - | 4.95 | 71,661 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,120 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,833 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,883 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,022 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,791 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,844 |
| Random U.S. City to State | 0 | - | 4.45 | 76,800 |
| Name a City - Asian Countries | 0 | - | 4.36 | 19,645 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,412 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,049 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,047 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,364 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,255 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,169 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,539 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,272 |
| European Cities by Clue | 0 | - | 4.70 | 89,148 |
| Hindu Countries | 0 | - | 4.87 | 50,513 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,366 |
| Countries that Beat China | 0 | - | 4.85 | 116,596 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,387 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,457 |
| Asia Map Quiz | 0 | - | 4.99 | 923,768 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,107 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,856 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,194 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,869 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,069 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,043 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,945 |
| Countries by Capital City | 0 | - | 5.00 | 69,195 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,738 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,110 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,706 |
| Moved Capital Cities | 0 | - | 4.96 | 74,578 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,411 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,770 |
| Random Country to Capital | 0 | - | 4.98 | 926,440 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,174 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,516 |
| Which City in Africa? | 0 | - | 4.77 | 57,969 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,834 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,478 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,458 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,121 |
| Countries that Beat Egypt | 0 | - | 4.91 | 66,787 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,589 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,822 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,343 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,567 |
| North American Sports Cities | 0 | - | 4.83 | 173,017 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,520 |
| Cities in European History #1 | 0 | - | 4.63 | 134,508 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,738 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,433 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,858 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,691 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,203 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,781 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,210 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,551 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,844 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,401 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,483 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,728 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,254 |
| Name a Valid World City | 0 | - | 4.85 | 71,845 |
| Cities by Former Name | 0 | - | 4.83 | 91,958 |
| Former Capitals | 0 | - | 4.88 | 71,634 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,893 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,643 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,924 |
| Capital Cities Chain | 0 | - | 4.84 | 83,255 |
| Coldest World Capitals | 0 | - | 4.95 | 134,102 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,709 |
| World Capitals by Map | 0 | - | 5.00 | 288,918 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,744 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,039 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,730 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,445 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,717 |
| Capitals Starting With H | 0 | - | 4.91 | 93,201 |
| Capitals Starting With K | 0 | - | 4.89 | 84,275 |
| Capitals Starting With M | 0 | - | 4.94 | 108,940 |
| Capitals Starting With P | 0 | - | 4.88 | 78,868 |
| Capitals Starting With R | 0 | - | 4.88 | 82,399 |
| Capitals Starting With S | 0 | - | 4.90 | 86,439 |
| Capitals Starting With T | 0 | - | 4.85 | 76,731 |
| Capitals Starting With W | 0 | - | 4.87 | 91,652 |
| Capitals Starting With A | 0 | - | 4.97 | 128,943 |
| Capitals Starting With B | 0 | - | 4.89 | 119,338 |
| Capitals Starting With D | 0 | - | 4.94 | 97,069 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,847 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,389 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,679 |
| US States and State Capitals | 0 | - | 4.99 | 164,884 |
| Which City in Latin America? | 0 | - | 4.63 | 47,136 |
| Hong Kong Facts | 0 | - | 4.49 | 29,335 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,512 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,286 |
| Countries of the Middle East | 0 | - | 4.96 | 202,382 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,652 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,191 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,419 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,784 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,045 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,776 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,669 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,172 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,381 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,695 |
