| Which City In the United Kingdom? | 0 | - | 4.97 | 94,554 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,035 |
| Europe Capital to Country | 0 | - | 4.99 | 251,269 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,463 |
| European Capitals by Map | 0 | - | 4.99 | 140,899 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,494 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,849 |
| European Coastal Capitals | 0 | - | 4.95 | 90,973 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,935 |
| Random European Capital to Country | 0 | - | 4.98 | 191,666 |
| Random European Country to Capital | 0 | - | 4.93 | 165,542 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,305 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,683 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,390 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,106 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,506 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,026 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,953 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,380 |
| Asia Capital to Country | 0 | - | 4.96 | 127,020 |
| African Capitals by Map | 0 | - | 4.99 | 140,012 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,301 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,970 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,372 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,673 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,990 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,886 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,813 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,156 |
| Random African Capital to Country | 0 | - | 4.97 | 101,043 |
| Random African Country to Capital | 0 | - | 4.94 | 71,518 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,534 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,295 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,067 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,189 |
| Official Cities in the UK | 0 | - | 4.89 | 285,018 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,003 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,873 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,149 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,690 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,360 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,671 |
| Which City in Australia? | 0 | - | 4.67 | 34,484 |
| Capitals of the Stans | 0 | - | 4.95 | 27,008 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,563 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,890 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,358 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,383 |
| Which City in Germany? | 0 | - | 4.50 | 136,968 |
| Which City in Italy? | 0 | - | 4.68 | 90,380 |
| Which City in France? | 0 | - | 4.67 | 73,249 |
| Which City in Spain? | 0 | - | 4.50 | 50,037 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,944 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,187 |
| Name a City - European Countries | 0 | - | 4.90 | 65,825 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,584 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,343 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,080 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,423 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,842 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,397 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,220 |
| Which City in California? | 0 | - | 4.56 | 32,107 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,968 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,004 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,121 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,617 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,192 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,050 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,833 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,693 |
| Cities in European History #1 | 0 | - | 4.63 | 134,342 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,437 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,148 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,411 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,188 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,783 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,449 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,436 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,095 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,240 |
| 20 Indian Cities Everyone Should Know | 0 | - | 4.43 | 26,096 |
| Which City in Texas? | 0 | - | 4.45 | 25,126 |
| Which City in Florida? | 0 | - | 4.61 | 11,007 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,204 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,605 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,523 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,668 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,498 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,608 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,828 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,330 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,795 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,612 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,564 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,081 |
| Find the City #1 | 0 | - | 4.97 | 43,111 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,763 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,692 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,874 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,745 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,587 |
| Countries by Capital City | 0 | - | 5.00 | 68,865 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,513 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,947 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,628 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,532 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,230 |
| Moved Capital Cities | 0 | - | 4.96 | 74,441 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.63 | 16,130 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,700 |
| Which City in Europe? | 0 | - | 4.83 | 107,687 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,882 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,871 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,450 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,980 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,569 |
| Random Country to Capital | 0 | - | 4.98 | 924,266 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,200 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,090 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,826 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,739 |
| Boroughs of London | 0 | - | 4.63 | 88,242 |
| London Geography | 0 | - | 4.47 | 59,780 |
| North American Sports Cities | 0 | - | 4.83 | 172,797 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,451 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,401 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,824 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,922 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,176 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,698 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,221 |
| Name a Valid World City | 0 | - | 4.83 | 71,609 |
| Cities by Former Name | 0 | - | 4.83 | 91,822 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,820 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,553 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,832 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,625 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,531 |
| World Capitals by Map | 0 | - | 5.00 | 288,128 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,609 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,206 |
| Capitals Starting With H | 0 | - | 4.91 | 92,839 |
| Capitals Starting With K | 0 | - | 4.88 | 83,888 |
| Capitals Starting With L | 0 | - | 4.81 | 88,357 |
| Capitals Starting With M | 0 | - | 4.93 | 108,271 |
| Capitals Starting With P | 0 | - | 4.88 | 78,479 |
| Capitals Starting With R | 0 | - | 4.87 | 82,083 |
| Capitals Starting With S | 0 | - | 4.90 | 86,066 |
| Capitals Starting With T | 0 | - | 4.85 | 76,409 |
| Capitals Starting With W | 0 | - | 4.87 | 91,458 |
| Capitals Starting With A | 0 | - | 4.97 | 128,439 |
| Capitals Starting With B | 0 | - | 4.89 | 118,853 |
| Capitals Starting With D | 0 | - | 4.93 | 96,745 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,567 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,131 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,450 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,217 |
| Which City in Canada? | 0 | - | 4.83 | 57,207 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,617 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,364 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,360 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,646 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,663 |
| North America Cities by Map | 0 | - | 4.41 | 47,879 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,566 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,789 |
| Random European City to Country | 0 | - | 4.69 | 118,171 |
| Random Asian City to Country | 0 | - | 4.56 | 44,573 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,380 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,301 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,670 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,527 |
| Former Capitals | 0 | - | 4.88 | 71,569 |
| Capital Cities Chain | 0 | - | 4.84 | 83,078 |
| Coldest World Capitals | 0 | - | 4.95 | 134,001 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,876 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,229 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,794 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,295 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,015 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,012 |
| US States and State Capitals | 0 | - | 4.99 | 164,017 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,867 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,585 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,509 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,132 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,537 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,668 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,079 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,927 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 102,096 |
| All 50k+ Cities in Europe with a Map | 0 | - | 4.95 | 35,222 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,283 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,570 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,998 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,779 |
| British Places A-Z | 0 | - | 4.29 | 80,003 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,193 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,470 |
