| Which City In the United Kingdom? | 0 | - | 4.97 | 94,850 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,167 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,294 |
| Which City in California? | 0 | - | 4.56 | 32,179 |
| Which City in Europe? | 0 | - | 4.83 | 107,970 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,431 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,835 |
| Which City in Canada? | 0 | - | 4.83 | 57,391 |
| Which City in Texas? | 0 | - | 4.45 | 25,174 |
| Which City in Australia? | 0 | - | 4.62 | 34,590 |
| Which City in Florida? | 0 | - | 4.61 | 11,039 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,859 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,911 |
| Which City in Germany? | 0 | - | 4.50 | 137,495 |
| Which City in Italy? | 0 | - | 4.68 | 90,617 |
| Which City in France? | 0 | - | 4.67 | 73,424 |
| Which City in Spain? | 0 | - | 4.50 | 50,137 |
| Name a City - European Countries | 0 | - | 4.89 | 66,329 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,778 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,628 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,308 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,419 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,512 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,327 |
| Which City in Latin America? | 0 | - | 4.63 | 47,167 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,619 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,259 |
| Europe Capital to Country | 0 | - | 4.99 | 252,429 |
| Asia Capital to Country | 0 | - | 4.96 | 127,652 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,186 |
| European Capitals by Map | 0 | - | 4.99 | 142,401 |
| African Capitals by Map | 0 | - | 4.99 | 142,470 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,073 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,059 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,320 |
| European Coastal Capitals | 0 | - | 4.95 | 91,446 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,250 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,115 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,086 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,221 |
| European Cities by Clue | 0 | - | 4.70 | 89,201 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,377 |
| Official Cities in the UK | 0 | - | 4.89 | 286,660 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,595 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,577 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,330 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,689 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,251 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,458 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,642 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,031 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,786 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,938 |
| Which City in Africa? | 0 | - | 4.77 | 58,024 |
| Which City in Asia? | 0 | - | 4.52 | 51,611 |
| European Cities A-Z by Clue #1 | 0 | - | 4.27 | 86,159 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,063 |
| Random European City to Country | 0 | - | 4.69 | 118,518 |
| Random Asian City to Country | 0 | - | 4.56 | 44,629 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,661 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,203 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,332 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,213 |
| World Capitals Quiz | 0 | - | 5.00 | 5,111,483 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,754 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,653 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,833 |
| Capitals of the Stans | 0 | - | 4.95 | 27,211 |
| South American Cities on the Map | 0 | - | 4.52 | 35,570 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,981 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,421 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,552 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,904 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,604 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,145 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,051 |
| Random European Capital to Country | 0 | - | 4.98 | 192,286 |
| Random European Country to Capital | 0 | - | 4.93 | 166,015 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,065 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,531 |
| Random African Capital to Country | 0 | - | 4.97 | 101,431 |
| Random African Country to Capital | 0 | - | 4.94 | 71,843 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,463 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,850 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,933 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,971 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,051 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,145 |
| Random U.S. City to State | 0 | - | 4.45 | 76,995 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,559 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,467 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,253 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,193 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,793 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,295 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,363 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,986 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,784 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,540 |
| North American Sports Cities | 0 | - | 4.82 | 173,257 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,590 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,455 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,023 |
| Name a Valid World City | 0 | - | 4.85 | 72,094 |
| Find the City #1 | 0 | - | 4.97 | 43,409 |
| Cities by Former Name | 0 | - | 4.83 | 92,151 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,964 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,492 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,050 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,025 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,296 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,367 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,298 |
| Countries by Capital City | 0 | - | 5.00 | 69,552 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,078 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,313 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,916 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,930 |
| Moved Capital Cities | 0 | - | 4.96 | 74,703 |
| World Capitals by Map | 0 | - | 5.00 | 289,775 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,890 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,324 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,912 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,842 |
| Random Country to Capital | 0 | - | 4.98 | 929,468 |
| Capitals Starting With H | 0 | - | 4.91 | 93,407 |
| Capitals Starting With K | 0 | - | 4.88 | 84,481 |
| Capitals Starting With L | 0 | - | 4.81 | 96,034 |
| Capitals Starting With M | 0 | - | 4.94 | 109,313 |
| Capitals Starting With P | 0 | - | 4.88 | 79,095 |
| Capitals Starting With R | 0 | - | 4.88 | 82,574 |
| Capitals Starting With S | 0 | - | 4.90 | 86,662 |
| Capitals Starting With T | 0 | - | 4.86 | 76,913 |
| Capitals Starting With W | 0 | - | 4.87 | 91,777 |
| Capitals Starting With A | 0 | - | 4.97 | 129,227 |
| Capitals Starting With B | 0 | - | 4.89 | 119,603 |
| Capitals Starting With D | 0 | - | 4.94 | 97,287 |
| US States and State Capitals | 0 | - | 4.99 | 165,799 |
| Which City in the United States? | 0 | - | 4.21 | 57,206 |
| New York City A-Z | 0 | - | 4.18 | 32,394 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,475 |
| Cities in European History #1 | 0 | - | 4.63 | 134,706 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,715 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,816 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,469 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,909 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,786 |
| North America Cities by Map | 0 | - | 4.41 | 47,967 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,961 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,235 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,023 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,692 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,774 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,570 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,658 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,813 |
| Former Capitals | 0 | - | 4.88 | 71,716 |
| Capital Cities Chain | 0 | - | 4.84 | 83,480 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,657 |
| Coldest World Capitals | 0 | - | 4.95 | 134,226 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,228 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,278 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,671 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,293 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,745 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,722 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,322 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,891 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,794 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,360 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,755 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,821 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,370 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,209 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,040 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,955 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,656 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,351 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,015 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,699 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,638 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,702 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,812 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,927 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,069 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,265 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,649 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,443 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,063 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,157 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,900 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,338 |
| Name a City - Asian Countries | 0 | - | 4.36 | 19,697 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,574 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 88,043 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,933 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,177 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,898 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,753 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,892 |
