| Which City In the United Kingdom? | 0 | - | 4.97 | 94,285 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,225 |
| Asia Capital to Country | 0 | - | 4.96 | 126,696 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,455 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,603 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,005 |
| Which City in Germany? | 0 | - | 4.50 | 136,557 |
| Which City in Italy? | 0 | - | 4.68 | 90,178 |
| Which City in France? | 0 | - | 4.64 | 73,084 |
| Which City in Spain? | 0 | - | 4.50 | 49,947 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,865 |
| Which City in Australia? | 0 | - | 4.67 | 34,429 |
| Capitals of the Stans | 0 | - | 4.95 | 26,851 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,441 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,992 |
| Random European Capital to Country | 0 | - | 4.98 | 190,973 |
| Random European Country to Capital | 0 | - | 4.93 | 165,176 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,477 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,779 |
| Random African Capital to Country | 0 | - | 4.97 | 100,760 |
| Random African Country to Capital | 0 | - | 4.94 | 71,250 |
| Name a City - European Countries | 0 | - | 4.90 | 65,410 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,009 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,836 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,750 |
| Which City in California? | 0 | - | 4.56 | 32,034 |
| Countries that Beat China | 0 | - | 4.85 | 115,887 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,733 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,143 |
| Europe Capital to Country | 0 | - | 4.99 | 250,410 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,922 |
| European Capitals by Map | 0 | - | 4.99 | 139,313 |
| African Capitals by Map | 0 | - | 4.99 | 133,838 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,107 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,450 |
| European Coastal Capitals | 0 | - | 4.95 | 90,630 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,124 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,128 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,845 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,661 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.42 | 54,769 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,300 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,182 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,914 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,855 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,456 |
| Official Cities in the UK | 0 | - | 4.89 | 283,902 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,888 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,604 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,938 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,506 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,066 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,301 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,204 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,400 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,312 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,066 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,050 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,198 |
| Which City in Canada? | 0 | - | 4.83 | 57,088 |
| Which City in Texas? | 0 | - | 4.45 | 25,097 |
| Which City in Florida? | 0 | - | 4.61 | 10,990 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,182 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,993 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,908 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,830 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,528 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,647 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,118 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,186 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,074 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,139 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,731 |
| China Cities Map Quiz | 0 | - | 4.93 | 105,253 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,912 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,249 |
| Random Asian City to Country | 0 | - | 4.56 | 44,541 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,083 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,523 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,530 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,211 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,686 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,288 |
| Hong Kong Facts | 0 | - | 4.49 | 29,280 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,788 |
| Countries that Border China | 0 | - | 4.96 | 263,221 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,222 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,825 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,945 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,719 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,073 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,843 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,542 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,185 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,912 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,996 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,190 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,148 |
| Which City in Europe? | 0 | - | 4.83 | 107,423 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,263 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,470 |
| Asia Map Quiz | 0 | - | 4.99 | 917,226 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,189 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,286 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,435 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,532 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,269 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,056 |
| Countries by Capital City | 0 | - | 5.00 | 68,332 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,196 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,670 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,234 |
| Moved Capital Cities | 0 | - | 4.96 | 74,228 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,057 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,574 |
| Random Country to Capital | 0 | - | 4.98 | 920,930 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,627 |
| Which City in Asia? | 0 | - | 4.52 | 51,391 |
| Flags of Countries that Border China | 0 | - | 4.94 | 99,478 |
| Countries that Beat Egypt | 0 | - | 4.88 | 57,030 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,351 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,855 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,915 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,899 |
| North American Sports Cities | 0 | - | 4.83 | 172,418 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,339 |
| Cities in European History #1 | 0 | - | 4.63 | 134,045 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,569 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,352 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,760 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,130 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,016 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,120 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,928 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,413 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,859 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,819 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,570 |
| Tokyo City Trivia | 0 | - | 4.58 | 18,212 |
| Name a Valid World City | 0 | - | 4.83 | 71,254 |
| Cities by Former Name | 0 | - | 4.83 | 91,596 |
| Former Capitals | 0 | - | 4.88 | 71,473 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,702 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,413 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,668 |
| Capital Cities Chain | 0 | - | 4.84 | 82,771 |
| Coldest World Capitals | 0 | - | 4.95 | 133,576 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,245 |
| World Capitals by Map | 0 | - | 5.00 | 286,577 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,331 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,596 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,001 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,928 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,286 |
| Capitals Starting With H | 0 | - | 4.91 | 92,605 |
| Capitals Starting With K | 0 | - | 4.88 | 83,583 |
| Capitals Starting With L | 0 | - | 4.81 | 88,132 |
| Capitals Starting With M | 0 | - | 4.93 | 107,861 |
| Capitals Starting With P | 0 | - | 4.88 | 78,244 |
| Capitals Starting With R | 0 | - | 4.87 | 81,875 |
| Capitals Starting With S | 0 | - | 4.90 | 85,831 |
| Capitals Starting With T | 0 | - | 4.85 | 76,200 |
| Capitals Starting With W | 0 | - | 4.87 | 91,328 |
| Capitals Starting With A | 0 | - | 4.97 | 128,127 |
| Capitals Starting With B | 0 | - | 4.89 | 118,557 |
| Capitals Starting With D | 0 | - | 4.93 | 96,494 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,554 |
| US States and State Capitals | 0 | - | 4.99 | 162,602 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,788 |
| Countries of the Middle East | 0 | - | 4.96 | 201,249 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,947 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,545 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,788 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,186 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,028 |
| China A-Z | 0 | - | 4.55 | 67,269 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,023 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,272 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,483 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,964 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,378 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,690 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,354 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,593 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,536 |
| South American Cities on the Map | 0 | - | 4.53 | 35,431 |
| North America Cities by Map | 0 | - | 4.41 | 47,816 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,648 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,942 |
| Random European City to Country | 0 | - | 4.69 | 117,712 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,444 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,827 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,398 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,852 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,095 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,546 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,051 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,232 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,539 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,966 |
