| Name a Valid European Capital | 0 | - | 4.95 | 153,406 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,488 |
| Name a City - European Countries | 0 | - | 4.90 | 66,027 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,758 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,907 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,890 |
| Europe Capital to Country | 0 | - | 4.99 | 251,788 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,772 |
| European Capitals by Map | 0 | - | 4.99 | 141,742 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,729 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,058 |
| European Coastal Capitals | 0 | - | 4.95 | 91,189 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,491 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,299 |
| Which City in Europe? | 0 | - | 4.83 | 107,804 |
| Official Cities in the UK | 0 | - | 4.89 | 285,810 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,472 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,504 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,632 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,688 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,796 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,739 |
| Random European City to Country | 0 | - | 4.69 | 118,337 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,779 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,818 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,895 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,316 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,184 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,311 |
| Which City in California? | 0 | - | 4.56 | 32,141 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,572 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,325 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,579 |
| Asia Capital to Country | 0 | - | 4.96 | 127,275 |
| African Capitals by Map | 0 | - | 4.99 | 141,804 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,773 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,113 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,132 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,463 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,097 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,481 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,864 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,321 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,130 |
| Cities in European History #1 | 0 | - | 4.63 | 134,511 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,022 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,434 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,860 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,402 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,323 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,759 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,109 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,955 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,304 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,837 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,692 |
| European Cities by Clue | 0 | - | 4.70 | 89,149 |
| Which City in Canada? | 0 | - | 4.83 | 57,311 |
| Which City in Texas? | 0 | - | 4.45 | 25,149 |
| Which City in Florida? | 0 | - | 4.61 | 11,024 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,679 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,531 |
| British Places A-Z | 0 | - | 4.29 | 80,057 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,740 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,395 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,927 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,844 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,518 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,735 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,579 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,456 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,065 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,707 |
| Capitals of the Stans | 0 | - | 4.95 | 27,087 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,654 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,697,180 |
| Random Asian City to Country | 0 | - | 4.56 | 44,604 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,820 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,058 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,728 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,085 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,262 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,995 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,950 |
| Random European Capital to Country | 0 | - | 4.98 | 191,957 |
| Random European Country to Capital | 0 | - | 4.93 | 165,739 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,919 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,332 |
| Random African Capital to Country | 0 | - | 4.97 | 101,204 |
| Random African Country to Capital | 0 | - | 4.95 | 71,663 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,136 |
| Which City in Germany? | 0 | - | 4.50 | 137,204 |
| Which City in Italy? | 0 | - | 4.68 | 90,479 |
| Which City in France? | 0 | - | 4.67 | 73,328 |
| Which City in Spain? | 0 | - | 4.50 | 50,084 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,843 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,534 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,216 |
| Europe Map Quiz | 0 | - | 5.00 | 4,782,809 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,846 |
| Random U.S. City to State | 0 | - | 4.45 | 76,801 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,050 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,384 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,125 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,009 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,540 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,273 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,124 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,271 |
| Boroughs of London | 0 | - | 4.63 | 88,451 |
| London Geography | 0 | - | 4.47 | 59,827 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,371 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,462 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,259 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,182 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,078 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,115 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,882 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,479 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,857 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,199 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,872 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,072 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,049 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,953 |
| Countries by Capital City | 0 | - | 5.00 | 69,202 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,741 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,115 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,710 |
| Moved Capital Cities | 0 | - | 4.96 | 74,580 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,453 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,451 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,771 |
| Random Country to Capital | 0 | - | 4.98 | 926,495 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,528 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,353 |
| Which City in Africa? | 0 | - | 4.77 | 57,969 |
| Which City in Asia? | 0 | - | 4.52 | 51,543 |
| Rome A-Z | 0 | - | 4.40 | 24,536 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,834 |
| Paris A-Z | 0 | - | 4.16 | 17,483 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,161 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,575 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,500 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,442 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,789 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,919 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,947 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,918 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,084 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,347 |
| North American Sports Cities | 0 | - | 4.83 | 173,019 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,521 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,739 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,693 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,942 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,902 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,204 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,785 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,214 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,556 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,847 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,484 |
| Cities by Former Name | 0 | - | 4.83 | 91,960 |
| Former Capitals | 0 | - | 4.88 | 71,635 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,646 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,928 |
| Capital Cities Chain | 0 | - | 4.84 | 83,257 |
| Coldest World Capitals | 0 | - | 4.95 | 134,104 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,715 |
| World Capitals by Map | 0 | - | 5.00 | 288,934 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,747 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,043 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,448 |
| Capitals Starting With H | 0 | - | 4.91 | 93,207 |
| Capitals Starting With K | 0 | - | 4.89 | 84,281 |
| Capitals Starting With M | 0 | - | 4.94 | 108,948 |
| Capitals Starting With P | 0 | - | 4.88 | 78,874 |
| Capitals Starting With R | 0 | - | 4.88 | 82,404 |
| Capitals Starting With S | 0 | - | 4.90 | 86,448 |
| Capitals Starting With T | 0 | - | 4.85 | 76,736 |
| Capitals Starting With W | 0 | - | 4.87 | 91,659 |
| Capitals Starting With A | 0 | - | 4.97 | 128,949 |
| Capitals Starting With B | 0 | - | 4.89 | 119,343 |
| Capitals Starting With D | 0 | - | 4.94 | 97,073 |
| 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 | 164,889 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,834 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,270 |
| Which City in Latin America? | 0 | - | 4.63 | 47,136 |
| Which City in Australia? | 0 | - | 4.67 | 34,539 |
| New York City A-Z | 0 | - | 4.18 | 32,368 |
| Geography of Rome | 0 | - | 4.51 | 16,701 |
| Paris City Trivia | 0 | - | 4.31 | 35,607 |
| Venice Trivia | 0 | - | 4.45 | 10,487 |
| Milan Trivia | 0 | - | 4.56 | 15,203 |
| Berlin City Trivia | 0 | - | 4.67 | 13,294 |
| Amsterdam Trivia | 0 | - | 4.46 | 15,843 |
