| Name a Valid European Capital | 0 | - | 4.95 | 151,889 |
| Name a City - European Countries | 0 | - | 4.91 | 65,063 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,679 |
| Europe Capital to Country | 0 | - | 4.99 | 249,291 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,407 |
| European Capitals by Map | 0 | - | 4.99 | 138,215 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,761 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,119 |
| European Coastal Capitals | 0 | - | 4.95 | 90,265 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,238 |
| Official Cities in the UK | 0 | - | 4.89 | 282,636 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,820 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,013 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,375 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,097 |
| Which City in Europe? | 0 | - | 4.83 | 107,094 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,818 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,611 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,985 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,452 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,154 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,783 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,223 |
| Random European City to Country | 0 | - | 4.69 | 117,360 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,404 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,005 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,649 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,909 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,743 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,265 |
| World Capitals Quiz | 0 | - | 5.00 | 5,057,256 |
| Asia Capital to Country | 0 | - | 4.96 | 126,340 |
| African Capitals by Map | 0 | - | 4.99 | 133,069 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,889 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,425 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,713 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,669 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,025 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,570 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,857 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,509 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,138 |
| Cities in European History #1 | 0 | - | 4.63 | 133,671 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,905 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,281 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,677 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,577 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,218 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,901 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,696 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,134 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,844 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,606 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,964 |
| European Cities by Clue | 0 | - | 4.70 | 88,980 |
| Capitals of the Stans | 0 | - | 4.95 | 26,678 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,506 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,745 |
| Which City in Canada? | 0 | - | 4.82 | 56,916 |
| Europe Map Quiz | 0 | - | 5.00 | 4,750,868 |
| Random Asian City to Country | 0 | - | 4.56 | 44,454 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,275 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,401 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,826 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,322 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,700 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,107 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,065 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,628 |
| Name a Valid African Country | 0 | - | 4.98 | 153,611 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,462 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,668 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,334 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,108 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,689 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,776 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,158 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,185 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,797 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,385 |
| Countries by Capital City | 0 | - | 5.00 | 67,715 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,866 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,360 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,234 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,849 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,277 |
| Moved Capital Cities | 0 | - | 4.96 | 73,969 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,303 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,919 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,448 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,481 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,077 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,460 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,232 |
| Random European Capital to Country | 0 | - | 4.98 | 190,419 |
| Random European Country to Capital | 0 | - | 4.93 | 163,626 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,015 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,136 |
| Random African Capital to Country | 0 | - | 4.97 | 100,339 |
| Random African Country to Capital | 0 | - | 4.94 | 70,887 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,745 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,617 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,693 |
| Which City in Germany? | 0 | - | 4.50 | 135,977 |
| Which City in Italy? | 0 | - | 4.67 | 89,873 |
| Which City in France? | 0 | - | 4.64 | 72,911 |
| Which City in Spain? | 0 | - | 4.50 | 49,846 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,545 |
| North American Sports Cities | 0 | - | 4.83 | 171,600 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,109 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,826 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,622 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,682 |
| Random U.S. City to State | 0 | - | 4.45 | 75,891 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,536 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,146 |
| Name a Valid World City | 0 | - | 4.83 | 70,798 |
| Cities by Former Name | 0 | - | 4.84 | 91,351 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,274 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,511 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,934 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,727 |
| World Capitals by Map | 0 | - | 5.00 | 285,225 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,069 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,238 |
| Random Country to Capital | 0 | - | 4.98 | 916,730 |
| Capitals Starting With H | 0 | - | 4.90 | 91,851 |
| Capitals Starting With K | 0 | - | 4.85 | 76,037 |
| Capitals Starting With L | 0 | - | 4.81 | 87,265 |
| Capitals Starting With M | 0 | - | 4.93 | 106,758 |
| Capitals Starting With P | 0 | - | 4.88 | 77,545 |
| Capitals Starting With R | 0 | - | 4.87 | 81,308 |
| Capitals Starting With S | 0 | - | 4.89 | 85,175 |
| Capitals Starting With T | 0 | - | 4.84 | 75,650 |
| Capitals Starting With W | 0 | - | 4.87 | 90,930 |
| Capitals Starting With A | 0 | - | 4.97 | 127,091 |
| Capitals Starting With B | 0 | - | 4.89 | 117,750 |
| Capitals Starting With D | 0 | - | 4.93 | 95,820 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,941 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,033 |
| Boroughs of London | 0 | - | 4.63 | 87,521 |
| London Geography | 0 | - | 4.47 | 59,596 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,270 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,596 |
| The Only European Country ... | 0 | - | 4.91 | 215,638 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,560 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,375 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,728 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,995 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,235 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,053 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,675 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,853 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,356 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,089 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,398 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,328 |
| Which City in Africa? | 0 | - | 4.77 | 57,736 |
| Which City in Asia? | 0 | - | 4.52 | 51,289 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,237,667 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,213 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,208 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,764 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,527 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,099 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,542 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,467 |
| North America Cities by Map | 0 | - | 4.41 | 47,736 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,673 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,238 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,402 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,618 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,854 |
| Former Capitals | 0 | - | 4.88 | 71,334 |
| Capital Cities Chain | 0 | - | 4.84 | 82,365 |
| Coldest World Capitals | 0 | - | 4.95 | 133,344 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,284 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,546 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,025 |
| Which City in Latin America? | 0 | - | 4.63 | 46,962 |
| Which City in Australia? | 0 | - | 4.67 | 34,358 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,833 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,875 |
| Slavic Countries | 0 | - | 4.96 | 111,380 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,582 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,300 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,845 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,887 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,613 |
| Counties of England | 0 | - | 4.97 | 793,797 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,244 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,764 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,498 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,100 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,571 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,373 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,500 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,785 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,354 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,545 |
