| Name a Valid European Capital | 0 | - | 4.95 | 153,315 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| Name a City - European Countries | 0 | - | 4.90 | 65,973 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,734 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,901 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,825 |
| Europe Capital to Country | 0 | - | 4.99 | 251,650 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,691 |
| European Capitals by Map | 0 | - | 4.99 | 141,517 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,673 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,012 |
| European Coastal Capitals | 0 | - | 4.95 | 91,124 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,370 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,252 |
| Which City in Europe? | 0 | - | 4.83 | 107,771 |
| Official Cities in the UK | 0 | - | 4.89 | 285,557 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,431 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,479 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,597 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,650 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,741 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,516 |
| Random European City to Country | 0 | - | 4.69 | 118,269 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,274 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,422 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,807 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,234 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,162 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,290 |
| Which City in California? | 0 | - | 4.56 | 32,136 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,412 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,268 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,563 |
| Asia Capital to Country | 0 | - | 4.96 | 127,229 |
| African Capitals by Map | 0 | - | 4.99 | 141,584 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,651 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,906 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,452 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,068 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,437 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,853 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,858 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,032 |
| Cities in European History #1 | 0 | - | 4.63 | 134,459 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,017 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,428 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,349 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,037 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,591 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,031 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,888 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,803 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,625 |
| European Cities by Clue | 0 | - | 4.70 | 89,142 |
| Which City in Canada? | 0 | - | 4.83 | 57,277 |
| Which City in Texas? | 0 | - | 4.45 | 25,146 |
| Which City in Florida? | 0 | - | 4.61 | 11,019 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,628 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,459 |
| British Places A-Z | 0 | - | 4.29 | 80,045 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,644 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,342 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,876 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,125 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,474 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,702 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,445 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,297 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,782 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,626 |
| Capitals of the Stans | 0 | - | 4.95 | 27,067 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,639 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,476 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,785 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,041 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,710 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,135 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,205 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,963 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,921 |
| Random European Capital to Country | 0 | - | 4.98 | 191,865 |
| Random European Country to Capital | 0 | - | 4.93 | 165,685 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,890 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,282 |
| Random African Capital to Country | 0 | - | 4.97 | 101,166 |
| Random African Country to Capital | 0 | - | 4.94 | 71,635 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,018 |
| Which City in Germany? | 0 | - | 4.50 | 137,141 |
| Which City in Italy? | 0 | - | 4.68 | 90,453 |
| Which City in France? | 0 | - | 4.67 | 73,310 |
| Which City in Spain? | 0 | - | 4.50 | 50,075 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,498 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,515 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,151 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,054 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,765 |
| Random U.S. City to State | 0 | - | 4.45 | 76,768 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,025 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,199 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,999 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,112 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,264 |
| Boroughs of London | 0 | - | 4.63 | 88,395 |
| London Geography | 0 | - | 4.47 | 59,817 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,288 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,405 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,234 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,115 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,038 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,022 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,881 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,844 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,945 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,829 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,011 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,958 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,837 |
| Countries by Capital City | 0 | - | 5.00 | 69,119 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,688 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,074 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,649 |
| Moved Capital Cities | 0 | - | 4.96 | 74,547 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,654 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,753 |
| Random Country to Capital | 0 | - | 4.98 | 925,743 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,931 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,347 |
| Which City in Africa? | 0 | - | 4.77 | 57,953 |
| Which City in Asia? | 0 | - | 4.52 | 51,525 |
| Rome A-Z | 0 | - | 4.40 | 24,531 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,827 |
| Paris A-Z | 0 | - | 4.16 | 17,479 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,088 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,533 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,440 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,369 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,744 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,861 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,923 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,755 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,015 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,300 |
| North American Sports Cities | 0 | - | 4.83 | 172,964 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,502 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,713 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,669 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,937 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,892 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,193 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,735 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,097 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,509 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,812 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,443 |
| Cities by Former Name | 0 | - | 4.83 | 91,919 |
| Former Capitals | 0 | - | 4.88 | 71,619 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,617 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,895 |
| Capital Cities Chain | 0 | - | 4.84 | 83,208 |
| Coldest World Capitals | 0 | - | 4.95 | 134,076 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,656 |
| World Capitals by Map | 0 | - | 5.00 | 288,702 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,695 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,990 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,396 |
| Capitals Starting With H | 0 | - | 4.91 | 93,019 |
| Capitals Starting With K | 0 | - | 4.88 | 84,072 |
| Capitals Starting With L | 0 | - | 4.81 | 91,748 |
| Capitals Starting With M | 0 | - | 4.93 | 108,609 |
| Capitals Starting With P | 0 | - | 4.88 | 78,673 |
| Capitals Starting With R | 0 | - | 4.88 | 82,221 |
| Capitals Starting With S | 0 | - | 4.90 | 86,252 |
| Capitals Starting With T | 0 | - | 4.85 | 76,565 |
| Capitals Starting With W | 0 | - | 4.87 | 91,554 |
| Capitals Starting With A | 0 | - | 4.97 | 128,695 |
| Capitals Starting With B | 0 | - | 4.89 | 119,102 |
| Capitals Starting With D | 0 | - | 4.93 | 96,898 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,836 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,377 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,662 |
| US States and State Capitals | 0 | - | 4.99 | 164,664 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,828 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,255 |
| Which City in Latin America? | 0 | - | 4.63 | 47,126 |
| Which City in Australia? | 0 | - | 4.67 | 34,529 |
| New York City A-Z | 0 | - | 4.18 | 32,362 |
| Geography of Rome | 0 | - | 4.51 | 16,699 |
| Paris City Trivia | 0 | - | 4.31 | 35,601 |
| Venice Trivia | 0 | - | 4.45 | 10,481 |
| Milan Trivia | 0 | - | 4.56 | 15,201 |
| Berlin City Trivia | 0 | - | 4.67 | 13,289 |
