| Name a Valid European Capital | 0 | - | 4.95 | 153,696 |
| Name a City - European Countries | 0 | - | 4.89 | 66,241 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,143 |
| Europe Capital to Country | 0 | - | 4.99 | 252,241 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,069 |
| European Capitals by Map | 0 | - | 4.99 | 142,252 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,952 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,241 |
| European Coastal Capitals | 0 | - | 4.95 | 91,369 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,910 |
| Official Cities in the UK | 0 | - | 4.89 | 286,480 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,631 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,609 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,447 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,742 |
| Which City in Europe? | 0 | - | 4.83 | 107,917 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,992 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,433 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,831 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,951 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,233 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,202 |
| Random European City to Country | 0 | - | 4.69 | 118,488 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,836 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,808 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,142 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,244 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,287 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,548 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,849 |
| Asia Capital to Country | 0 | - | 4.96 | 127,607 |
| African Capitals by Map | 0 | - | 4.99 | 142,319 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,977 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,220 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,890 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,196 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,574 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,284 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,395 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,017 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,687 |
| Cities in European History #1 | 0 | - | 4.63 | 134,659 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,044 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,464 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,900 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,526 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,153 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,173 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,368 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,286 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,188 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,429 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,991 |
| European Cities by Clue | 0 | - | 4.70 | 89,184 |
| Capitals of the Stans | 0 | - | 4.95 | 27,179 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,491 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,890 |
| Which City in Canada? | 0 | - | 4.83 | 57,373 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,739 |
| Random Asian City to Country | 0 | - | 4.56 | 44,623 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,091 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,158 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,715 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,315 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,881 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,427 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,925 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,838 |
| Name a Valid African Country | 0 | - | 4.98 | 155,110 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,692 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,380 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,626 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,003 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,131 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,425 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,016 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,259 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,297 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,220 |
| Countries by Capital City | 0 | - | 5.00 | 69,479 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,913 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,272 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,062 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,863 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,497 |
| Moved Capital Cities | 0 | - | 4.96 | 74,683 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,831 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,399 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,800 |
| Name a City - Asian Countries | 0 | - | 4.36 | 19,686 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,493 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,112 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,116 |
| Random European Capital to Country | 0 | - | 4.98 | 192,219 |
| Random European Country to Capital | 0 | - | 4.93 | 165,967 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,030 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,486 |
| Random African Capital to Country | 0 | - | 4.97 | 101,392 |
| Random African Country to Capital | 0 | - | 4.95 | 71,781 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,784 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,404 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,902 |
| Which City in Germany? | 0 | - | 4.50 | 137,419 |
| Which City in Italy? | 0 | - | 4.68 | 90,582 |
| Which City in France? | 0 | - | 4.67 | 73,394 |
| Which City in Spain? | 0 | - | 4.50 | 50,118 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,496 |
| North American Sports Cities | 0 | - | 4.82 | 173,194 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,576 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,890 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,067 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,924 |
| Random U.S. City to State | 0 | - | 4.45 | 76,939 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,485 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,981 |
| Name a Valid World City | 0 | - | 4.85 | 72,034 |
| Cities by Former Name | 0 | - | 4.83 | 92,099 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,943 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,002 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,179 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,888 |
| World Capitals by Map | 0 | - | 5.00 | 289,604 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,855 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,422 |
| Random Country to Capital | 0 | - | 4.98 | 928,898 |
| Capitals Starting With H | 0 | - | 4.91 | 93,373 |
| Capitals Starting With K | 0 | - | 4.88 | 84,446 |
| Capitals Starting With M | 0 | - | 4.94 | 109,246 |
| Capitals Starting With P | 0 | - | 4.88 | 79,045 |
| Capitals Starting With R | 0 | - | 4.88 | 82,540 |
| Capitals Starting With S | 0 | - | 4.90 | 86,614 |
| Capitals Starting With T | 0 | - | 4.86 | 76,874 |
| Capitals Starting With W | 0 | - | 4.87 | 91,759 |
| Capitals Starting With A | 0 | - | 4.97 | 129,168 |
| Capitals Starting With B | 0 | - | 4.89 | 119,559 |
| Capitals Starting With D | 0 | - | 4.94 | 97,252 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,751 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,347 |
| Boroughs of London | 0 | - | 4.63 | 88,609 |
| London Geography | 0 | - | 4.47 | 59,880 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,940 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,267 |
| The Only European Country ... | 0 | - | 4.91 | 219,220 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,627 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,650 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,375 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,375 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,215 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,908 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,340 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,742 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,958 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,497 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,223 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,464 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,148 |
| Which City in Africa? | 0 | - | 4.78 | 58,009 |
| Which City in Asia? | 0 | - | 4.52 | 51,591 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,250 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,176 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,754 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,118 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,459 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,231 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,798 |
| North America Cities by Map | 0 | - | 4.41 | 47,955 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,969 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,580 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,722 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,615 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,873 |
| Former Capitals | 0 | - | 4.88 | 71,694 |
| Capital Cities Chain | 0 | - | 4.84 | 83,431 |
| Coldest World Capitals | 0 | - | 4.95 | 134,186 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,192 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,619 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,309 |
| Which City in Latin America? | 0 | - | 4.63 | 47,158 |
| Which City in Australia? | 0 | - | 4.67 | 34,578 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,963 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,240 |
| Slavic Countries | 0 | - | 4.96 | 112,419 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,558 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,633 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,138 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,831 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,826 |
| Counties of England | 0 | - | 4.97 | 803,349 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,246 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,049 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,966 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,911 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,598 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,751 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,393 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,530 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,872 |
