| Europe Capital to Country | 0 | - | 4.99 | 251,733 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,741 |
| European Capitals by Map | 0 | - | 4.99 | 141,661 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,705 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,039 |
| European Coastal Capitals | 0 | - | 4.95 | 91,158 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,445 |
| Official Cities in the UK | 0 | - | 4.89 | 285,713 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,450 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,927 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,491 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,620 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,770 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,668 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,369 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,476 |
| Random European Flag to Country | 0 | - | 4.90 | 183,930 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,540 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,653 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 97,742 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,656 |
| Name a City - European Countries | 0 | - | 4.90 | 66,005 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,753 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,981 |
| Random European Capital to Country | 0 | - | 4.98 | 191,923 |
| Random European Country to Capital | 0 | - | 4.93 | 165,716 |
| Every European Country Shape | 0 | - | 4.96 | 202,681 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 95,298 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.90 | 73,195 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 72,057 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 70,063 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 62,104 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 59,193 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 57,459 |
| Country Flag-Shape Picture Quiz #9 | 0 | - | 4.90 | 46,190 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 159,299 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 84,139 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,679 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,511 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,302 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,866 |
| Asia Capital to Country | 0 | - | 4.96 | 127,259 |
| African Capitals by Map | 0 | - | 4.99 | 141,738 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,736 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,101 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,032 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,087 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,279 |
| Former Country Flag-Shape Picture Quiz | 0 | - | 4.98 | 90,102 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,691 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,209 |
| Random African Flag to Country | 0 | - | 4.88 | 75,506 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,090 |
| Cities in European History #1 | 0 | - | 4.63 | 134,494 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,900 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,688 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,086 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,291 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,826 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,826 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,687 |
| Capitals of the Stans | 0 | - | 4.95 | 27,082 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,666 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,676 |
| Flags of Countries that Border China | 0 | - | 4.94 | 100,005 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,735 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,697 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,371 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,504 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,773 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,155 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,738 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,648 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,065 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,574 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,801 |
| Find the City #1 | 0 | - | 4.97 | 43,247 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,086 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,853 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,040 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,018 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,911 |
| Countries by Capital City | 0 | - | 5.00 | 69,171 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,714 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,092 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,292 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,239 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,683 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,459 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,453 |
| Moved Capital Cities | 0 | - | 4.96 | 74,563 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,760 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,912 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,321 |
| Random African Capital to Country | 0 | - | 4.97 | 101,188 |
| Random African Country to Capital | 0 | - | 4.95 | 71,657 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,081 |
| Every Asian Country Shape | 0 | - | 4.95 | 88,360 |
| Every African Country Shape | 0 | - | 4.90 | 88,149 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,020 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,871 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,815 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,282 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,120 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,173 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,298 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,520 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,263 |
| Which City in Europe? | 0 | - | 4.83 | 107,791 |
| Boroughs of London | 0 | - | 4.63 | 88,427 |
| London Geography | 0 | - | 4.47 | 59,823 |
| Countries in an Egg of the World Map | 0 | - | 4.91 | 64,902 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 217,874 |
| Country Flag-Shape Picture Quiz #3 | 0 | - | 4.80 | 69,171 |
| Flags of Countries That Border Russia | 0 | - | 4.70 | 83,895 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,328 |
| North American Sports Cities | 0 | - | 4.83 | 172,994 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,514 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,431 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,938 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,881 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,474 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,200 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,831 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,380 |
| Name a Valid World City | 0 | - | 4.84 | 71,810 |
| Cities by Former Name | 0 | - | 4.83 | 91,944 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,629 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,913 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,690 |
| World Capitals by Map | 0 | - | 5.00 | 288,834 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,730 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,102 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,449 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,239 |
| Random Country to Capital | 0 | - | 4.98 | 926,184 |
| Capitals Starting With H | 0 | - | 4.91 | 93,145 |
| Capitals Starting With K | 0 | - | 4.88 | 84,218 |
| Capitals Starting With L | 0 | - | 4.79 | 94,010 |
| Capitals Starting With M | 0 | - | 4.93 | 108,843 |
| Capitals Starting With P | 0 | - | 4.88 | 78,810 |
| Capitals Starting With R | 0 | - | 4.88 | 82,359 |
| Capitals Starting With S | 0 | - | 4.90 | 86,379 |
| Capitals Starting With T | 0 | - | 4.85 | 76,685 |
| Capitals Starting With W | 0 | - | 4.87 | 91,627 |
| Capitals Starting With A | 0 | - | 4.97 | 128,865 |
| Capitals Starting With B | 0 | - | 4.89 | 119,264 |
| Capitals Starting With D | 0 | - | 4.93 | 97,015 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,310 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,685 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,725 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,766 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,161 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,536 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,464 |
| Former Capitals | 0 | - | 4.88 | 71,626 |
| Capital Cities Chain | 0 | - | 4.84 | 83,238 |
| Coldest World Capitals | 0 | - | 4.95 | 134,089 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,021 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,724 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,429 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,655 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,668 |
| Which City in Canada? | 0 | - | 4.83 | 57,292 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,730 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,142 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 909,140 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,072 |
| Every Country Shape | 0 | - | 5.00 | 469,940 |
| Countries that Start with C - Shape Quiz | 0 | - | 4.89 | 99,649 |
| Countries that Start with I - Shape Quiz | 0 | - | 4.86 | 114,525 |
| Countries that Start with A - Shape Quiz | 0 | - | 4.93 | 34,955 |
| Countries that Start with N - Shape Quiz | 0 | - | 4.94 | 83,121 |
| U.S. State Flags | 0 | - | 4.89 | 172,323 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,051 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,300 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,652 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,049 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,212 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,671 |
| North America Cities by Map | 0 | - | 4.41 | 47,911 |
| Random European City to Country | 0 | - | 4.69 | 118,312 |
| Random Asian City to Country | 0 | - | 4.56 | 44,599 |
| Name a City in EVERY Country - No Capitals | 0 | - | 4.63 | 67,857 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,683 |
| US States and State Capitals | 0 | - | 4.99 | 164,803 |
| Random Asian Flag to Country | 0 | - | 4.70 | 113,971 |
| Random Asian Countries on a Map | 0 | - | 4.91 | 170,739 |
| Random African Countries on a Map | 0 | - | 4.99 | 297,509 |
| Random American Countries on a Map | 0 | - | 4.96 | 100,060 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,043 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,804 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,456 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,728 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,763 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,871 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,540 |
| South American Cities on the Map | 0 | - | 4.52 | 35,531 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,788 |
