| Name a Valid European Capital | 0 | - | 4.95 | 152,969 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,352 |
| Name a City - European Countries | 0 | - | 4.90 | 65,780 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,655 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,055 |
| Which City in Europe? | 0 | - | 4.83 | 107,663 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,555 |
| Europe Capital to Country | 0 | - | 4.99 | 251,157 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,391 |
| European Capitals by Map | 0 | - | 4.99 | 140,586 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,425 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,779 |
| European Coastal Capitals | 0 | - | 4.95 | 90,930 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,870 |
| Official Cities in the UK | 0 | - | 4.89 | 284,916 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,278 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,369 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,479 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,524 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,169 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,524 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,759 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,532 |
| Random European City to Country | 0 | - | 4.69 | 118,144 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,056 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,511 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,691 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,583 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,414 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,338 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,005 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,157 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,826 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,832 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,001 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,080 |
| Asia Capital to Country | 0 | - | 4.96 | 126,975 |
| African Capitals by Map | 0 | - | 4.99 | 138,415 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,146 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,074 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,792 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,210 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,975 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,344 |
| European Cities by Clue | 0 | - | 4.70 | 89,108 |
| Which City in Canada? | 0 | - | 4.83 | 57,187 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,806 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,482 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,227 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,558 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,876 |
| British Places A-Z | 0 | - | 4.29 | 79,988 |
| Cities in European History #1 | 0 | - | 4.63 | 134,296 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,395 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,819 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,173 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,904 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,806 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,642 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,106 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,645 |
| Random Asian City to Country | 0 | - | 4.56 | 44,568 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,340 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,658 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,135 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,756 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,794 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,337 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,558 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,300 |
| Which City in Germany? | 0 | - | 4.50 | 136,937 |
| Which City in Italy? | 0 | - | 4.68 | 90,365 |
| Which City in France? | 0 | - | 4.67 | 73,233 |
| Which City in Spain? | 0 | - | 4.50 | 50,030 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,974 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,421 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,804 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,252 |
| Capitals of the Stans | 0 | - | 4.95 | 26,978 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,600 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,141 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,503 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,638 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,959 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,846 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,898 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,066 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,864 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,825 |
| Random European Capital to Country | 0 | - | 4.98 | 191,617 |
| Random European Country to Capital | 0 | - | 4.93 | 165,502 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,779 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,106 |
| Random African Capital to Country | 0 | - | 4.97 | 100,998 |
| Random African Country to Capital | 0 | - | 4.94 | 71,479 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,363 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,211 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,747 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,011 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,127 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,013 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,165 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,136 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,844 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,719 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,598 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,686 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,721 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,868 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,448 |
| Random U.S. City to State | 0 | - | 4.45 | 76,642 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,818 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,920 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,683 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,639 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,800 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,653 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,502 |
| Countries by Capital City | 0 | - | 5.00 | 68,790 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,464 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,901 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,514 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,494 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,970 |
| Moved Capital Cities | 0 | - | 4.96 | 74,410 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,435 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,679 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,006 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,092 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,233 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,325 |
| Which City in Africa? | 0 | - | 4.77 | 57,910 |
| Which City in Asia? | 0 | - | 4.52 | 51,475 |
| Which City in California? | 0 | - | 4.56 | 32,097 |
| Boroughs of London | 0 | - | 4.63 | 88,208 |
| Rome A-Z | 0 | - | 4.40 | 24,509 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,811 |
| London Geography | 0 | - | 4.47 | 59,771 |
| Paris A-Z | 0 | - | 4.16 | 17,465 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,887 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,397 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,255 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 43,174 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,610 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,740 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,876 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,505 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,147 |
| North American Sports Cities | 0 | - | 4.83 | 172,748 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,438 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,917 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,869 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,174 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,666 |
| Cities by Former Name | 0 | - | 4.83 | 91,799 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,530 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,813 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,497 |
| World Capitals by Map | 0 | - | 5.00 | 287,907 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,564 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,134 |
| Random Country to Capital | 0 | - | 4.98 | 923,837 |
| Capitals Starting With H | 0 | - | 4.91 | 92,803 |
| Capitals Starting With K | 0 | - | 4.88 | 83,861 |
| Capitals Starting With L | 0 | - | 4.81 | 88,325 |
| Capitals Starting With M | 0 | - | 4.93 | 108,199 |
| Capitals Starting With P | 0 | - | 4.88 | 78,434 |
| Capitals Starting With R | 0 | - | 4.87 | 82,052 |
| Capitals Starting With S | 0 | - | 4.90 | 86,037 |
| Capitals Starting With T | 0 | - | 4.84 | 76,379 |
| Capitals Starting With W | 0 | - | 4.87 | 91,436 |
| Capitals Starting With A | 0 | - | 4.97 | 128,399 |
| Capitals Starting With B | 0 | - | 4.88 | 118,812 |
| Capitals Starting With D | 0 | - | 4.93 | 96,710 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,787 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,289 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,603 |
| US States and State Capitals | 0 | - | 4.99 | 163,827 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,210 |
| Which City in Latin America? | 0 | - | 4.63 | 47,090 |
| Which City in Texas? | 0 | - | 4.45 | 25,125 |
| Which City in Australia? | 0 | - | 4.67 | 34,475 |
| Which City in Florida? | 0 | - | 4.61 | 11,005 |
| New York City A-Z | 0 | - | 4.18 | 32,341 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,871 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,040 |
| The Only European Country ... | 0 | - | 4.91 | 217,761 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,821 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,872 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,982 |
| Italy A-Z | 0 | - | 4.49 | 58,505 |
| Germany A-Z | 0 | - | 4.56 | 62,728 |
| Scotland A-Z | 0 | - | 4.73 | 41,356 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,330 |
| Counties of England | 0 | - | 4.97 | 799,879 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,618 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,773 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,405 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,926 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,480 |
