| Which City in Europe? | 0 | - | 4.83 | 107,135 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,073 |
| Which City in Canada? | 0 | - | 4.82 | 56,935 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,775 |
| Which City in Asia? | 0 | - | 4.52 | 51,310 |
| Asia Capital to Country | 0 | - | 4.96 | 126,426 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,032 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,485 |
| European Cities by Clue | 0 | - | 4.70 | 88,995 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,059 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,888 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,770 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,673 |
| Which City in Africa? | 0 | - | 4.77 | 57,753 |
| Which City in Latin America? | 0 | - | 4.63 | 46,979 |
| Which City in Australia? | 0 | - | 4.67 | 34,369 |
| Capitals of the Stans | 0 | - | 4.95 | 26,716 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,017 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,716 |
| Which City in Germany? | 0 | - | 4.50 | 136,062 |
| Which City in Italy? | 0 | - | 4.67 | 89,951 |
| Which City in France? | 0 | - | 4.64 | 72,944 |
| Which City in Spain? | 0 | - | 4.50 | 49,870 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,539 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,260 |
| Random Asian City to Country | 0 | - | 4.56 | 44,456 |
| Name a City - European Countries | 0 | - | 4.90 | 65,156 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,951 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,626 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,445 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,538 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,006 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,146 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,364 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,774 |
| Europe Capital to Country | 0 | - | 4.99 | 249,484 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,525 |
| European Capitals by Map | 0 | - | 4.99 | 138,463 |
| African Capitals by Map | 0 | - | 4.99 | 133,254 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,277 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,844 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,205 |
| European Coastal Capitals | 0 | - | 4.95 | 90,347 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,017 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,487 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,720 |
| Which City in the United States? | 0 | - | 4.21 | 56,903 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,447 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,593 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,306 |
| Official Cities in the UK | 0 | - | 4.89 | 282,920 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,863 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,365 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,969 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,217 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,866 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,953 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,059 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,055 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,152 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,798 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,012 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,902 |
| Random European City to Country | 0 | - | 4.69 | 117,445 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,904 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,433 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,498 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,323 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,873 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,032 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,724 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,507 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,117 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,184 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,435 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,060 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,529 |
| Random European Capital to Country | 0 | - | 4.98 | 190,589 |
| Random European Country to Capital | 0 | - | 4.93 | 164,404 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,171 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,567 |
| Random African Capital to Country | 0 | - | 4.97 | 100,466 |
| Random African Country to Capital | 0 | - | 4.94 | 71,067 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,815 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,714 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,251 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,805 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,674 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,095 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,722 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,634 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,493 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,899 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,212 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,239 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,901 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,540 |
| Countries by Capital City | 0 | - | 5.00 | 67,863 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,935 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,430 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,529 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,924 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,142 |
| Moved Capital Cities | 0 | - | 4.96 | 74,018 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,938 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,371 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,001 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,058 |
| Countries that Beat China | 0 | - | 4.86 | 115,459 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,672 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,332 |
| Asia Map Quiz | 0 | - | 4.99 | 914,180 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,918 |
| Random U.S. City to State | 0 | - | 4.45 | 76,038 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,198 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,877 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,425 |
| Random Country to Capital | 0 | - | 4.98 | 917,822 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,575 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,658 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,209 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,675 |
| North American Sports Cities | 0 | - | 4.83 | 171,722 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,217 |
| Cities in European History #1 | 0 | - | 4.63 | 133,768 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,303 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,693 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,100 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,216 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,635 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,181 |
| Name a Valid World City | 0 | - | 4.83 | 70,901 |
| Cities by Former Name | 0 | - | 4.83 | 91,408 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,587 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,306 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,554 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,838 |
| World Capitals by Map | 0 | - | 5.00 | 285,489 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,131 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,766 |
| Capitals Starting With H | 0 | - | 4.90 | 91,910 |
| Capitals Starting With K | 0 | - | 4.85 | 76,084 |
| Capitals Starting With L | 0 | - | 4.81 | 87,315 |
| Capitals Starting With M | 0 | - | 4.93 | 106,862 |
| Capitals Starting With P | 0 | - | 4.88 | 77,596 |
| Capitals Starting With R | 0 | - | 4.87 | 81,353 |
| Capitals Starting With S | 0 | - | 4.89 | 85,241 |
| Capitals Starting With T | 0 | - | 4.84 | 75,700 |
| Capitals Starting With W | 0 | - | 4.87 | 90,971 |
| Capitals Starting With A | 0 | - | 4.97 | 127,173 |
| Capitals Starting With B | 0 | - | 4.89 | 117,817 |
| Capitals Starting With D | 0 | - | 4.93 | 95,888 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,868 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,872 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,589 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,029 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,555 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,502 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,402 |
| North America Cities by Map | 0 | - | 4.41 | 47,755 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,757 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,479 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,652 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,668 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,475 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,931 |
| Former Capitals | 0 | - | 4.88 | 71,361 |
| Capital Cities Chain | 0 | - | 4.84 | 82,445 |
| Coldest World Capitals | 0 | - | 4.95 | 133,443 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,362 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,635 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,528 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,486 |
| US States and State Capitals | 0 | - | 4.99 | 161,153 |
| Hong Kong Facts | 0 | - | 4.49 | 29,249 |
| Countries of the Middle East | 0 | - | 4.96 | 200,684 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,621 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,240 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,495 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,948 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,783 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,058 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,359 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,974 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,640 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,776 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,373 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,222 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,262 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,791 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,558 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,112 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,241 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,467 |
| South American Cities on the Map | 0 | - | 4.56 | 35,368 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,365 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,854 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,365 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,600 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,170 |
