| Which City in Europe? | 0 | - | 4.83 | 107,765 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,636 |
| Which City in Canada? | 0 | - | 4.83 | 57,273 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,204 |
| Which City in Asia? | 0 | - | 4.52 | 51,520 |
| Asia Capital to Country | 0 | - | 4.96 | 127,209 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,624 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,077 |
| European Cities by Clue | 0 | - | 4.70 | 89,137 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,250 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,279 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,827 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,256 |
| Which City in Africa? | 0 | - | 4.77 | 57,947 |
| Which City in Latin America? | 0 | - | 4.63 | 47,123 |
| Which City in Australia? | 0 | - | 4.67 | 34,522 |
| Capitals of the Stans | 0 | - | 4.95 | 27,059 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,289 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,851 |
| Which City in Germany? | 0 | - | 4.50 | 137,117 |
| Which City in Italy? | 0 | - | 4.68 | 90,445 |
| Which City in France? | 0 | - | 4.67 | 73,298 |
| Which City in Spain? | 0 | - | 4.50 | 50,072 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,125 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,345 |
| Random Asian City to Country | 0 | - | 4.56 | 44,587 |
| Name a City - European Countries | 0 | - | 4.90 | 65,957 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,112 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,154 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,224 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,911 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,111 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,262 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,256 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,805 |
| Europe Capital to Country | 0 | - | 4.99 | 251,602 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,664 |
| European Capitals by Map | 0 | - | 4.99 | 141,458 |
| African Capitals by Map | 0 | - | 4.99 | 141,503 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,922 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,650 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,992 |
| European Coastal Capitals | 0 | - | 4.95 | 91,103 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,770 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,325 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,059 |
| Which City in the United States? | 0 | - | 4.21 | 57,136 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,726 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,678 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,741 |
| Official Cities in the UK | 0 | - | 4.89 | 285,488 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,935 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,262 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,506 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,993 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,412 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,860 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,471 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,779 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,584 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,611 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,880 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,716 |
| Random European City to Country | 0 | - | 4.69 | 118,261 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,434 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,618 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,333 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,867 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,451 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,564 |
| Cities that End in G by Clue | 0 | - | 4.54 | 21,710 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,796 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,187 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,728 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,430 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,953 |
| Random European Capital to Country | 0 | - | 4.98 | 191,847 |
| Random European Country to Capital | 0 | - | 4.93 | 165,672 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,882 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,273 |
| Random African Capital to Country | 0 | - | 4.97 | 101,149 |
| Random African Country to Capital | 0 | - | 4.94 | 71,622 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,442 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,993 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,558 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,000 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,781 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,294 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,739 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,200 |
| Name a City - Asian Countries | 0 | - | 4.36 | 19,636 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,925 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,809 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,993 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,935 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,813 |
| Countries by Capital City | 0 | - | 5.00 | 69,093 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,663 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,062 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,136 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,637 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,246 |
| Moved Capital Cities | 0 | - | 4.96 | 74,526 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,160 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,745 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,498 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,251 |
| Countries that Beat China | 0 | - | 4.85 | 116,509 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,322 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,052 |
| Asia Map Quiz | 0 | - | 4.99 | 922,972 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,017 |
| Random U.S. City to State | 0 | - | 4.45 | 76,763 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,395 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,997 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,414 |
| Random Country to Capital | 0 | - | 4.98 | 925,580 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,514 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,198 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,199 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,287 |
| North American Sports Cities | 0 | - | 4.83 | 172,954 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,499 |
| Cities in European History #1 | 0 | - | 4.63 | 134,446 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,424 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,852 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,188 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,795 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,339 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,244 |
| Name a Valid World City | 0 | - | 4.84 | 71,751 |
| Cities by Former Name | 0 | - | 4.83 | 91,914 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,865 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,602 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,883 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,631 |
| World Capitals by Map | 0 | - | 5.00 | 288,633 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,679 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,680 |
| Capitals Starting With H | 0 | - | 4.91 | 92,926 |
| Capitals Starting With K | 0 | - | 4.88 | 83,978 |
| Capitals Starting With L | 0 | - | 4.81 | 88,432 |
| Capitals Starting With M | 0 | - | 4.93 | 108,417 |
| Capitals Starting With P | 0 | - | 4.88 | 78,548 |
| Capitals Starting With R | 0 | - | 4.88 | 82,143 |
| Capitals Starting With S | 0 | - | 4.90 | 86,137 |
| Capitals Starting With T | 0 | - | 4.85 | 76,471 |
| Capitals Starting With W | 0 | - | 4.87 | 91,493 |
| Capitals Starting With A | 0 | - | 4.97 | 128,568 |
| Capitals Starting With B | 0 | - | 4.89 | 118,960 |
| Capitals Starting With D | 0 | - | 4.93 | 96,828 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,597 |
| Countries that Beat Egypt | 0 | - | 4.91 | 66,497 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,680 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,653 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,359 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,663 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,702 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,663 |
| North America Cities by Map | 0 | - | 4.41 | 47,899 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,720 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,064 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,496 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,427 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,709 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,636 |
| Former Capitals | 0 | - | 4.88 | 71,612 |
| Capital Cities Chain | 0 | - | 4.84 | 83,191 |
| Coldest World Capitals | 0 | - | 4.95 | 134,066 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,971 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,373 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,532 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,659 |
| US States and State Capitals | 0 | - | 4.99 | 164,634 |
| Hong Kong Facts | 0 | - | 4.49 | 29,325 |
| Countries of the Middle East | 0 | - | 4.96 | 202,253 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,566 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,102 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,350 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,714 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,987 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,615 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,981 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,368 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,406 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,238 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,897 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,626 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,035 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,648 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,516 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,637 |
| South American Cities on the Map | 0 | - | 4.52 | 35,524 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,609 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,139 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,558 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,157 |
