| Name a City - European Countries | 0 | - | 4.90 | 65,982 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,460 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,832 |
| Europe Capital to Country | 0 | - | 4.99 | 251,663 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,706 |
| European Capitals by Map | 0 | - | 4.99 | 141,523 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,017 |
| European Coastal Capitals | 0 | - | 4.95 | 91,126 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,740 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,383 |
| Official Cities in the UK | 0 | - | 4.89 | 285,586 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,436 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,482 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,605 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,452 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,746 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,544 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,328 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,663 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,592 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,319 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,464 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,433 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,278 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,780 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,250 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,565 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,531 |
| Asia Capital to Country | 0 | - | 4.96 | 127,231 |
| African Capitals by Map | 0 | - | 4.99 | 141,611 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,668 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,093 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,936 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,076 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,257 |
| Which City in Europe? | 0 | - | 4.83 | 107,779 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,043 |
| Cities in European History #1 | 0 | - | 4.63 | 134,463 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,429 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,168 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,353 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,343 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,877 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,067 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,603 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,900 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,387 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,807 |
| Monarchies of Europe | 0 | - | 4.90 | 98,675 |
| Capitals of the Stans | 0 | - | 4.95 | 27,069 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,223 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,654 |
| Europe Map Quiz | 0 | - | 5.00 | 4,781,237 |
| Random European City to Country | 0 | - | 4.69 | 118,273 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,661 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,348 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,481 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,910 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,149 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,322 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,644 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,642 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,030 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,789 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,044 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,953 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,834 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,018 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,971 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,851 |
| Countries by Capital City | 0 | - | 5.00 | 69,135 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,693 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,080 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,222 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,658 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,440 |
| Moved Capital Cities | 0 | - | 4.96 | 74,550 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,754 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,557 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,488 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,209 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,967 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,817 |
| Random European Capital to Country | 0 | - | 4.98 | 191,872 |
| Random European Country to Capital | 0 | - | 4.93 | 165,687 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,891 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,286 |
| Random African Capital to Country | 0 | - | 4.97 | 101,171 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,379 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,023 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,854 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,822 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,569 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,159 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,304 |
| North American Sports Cities | 0 | - | 4.83 | 172,969 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,504 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,018 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,881 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,896 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,924 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,812 |
| Name a Valid World City | 0 | - | 4.84 | 71,784 |
| Cities by Former Name | 0 | - | 4.83 | 91,925 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,030 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,620 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,898 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,004 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,661 |
| World Capitals by Map | 0 | - | 5.00 | 288,732 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,701 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,777 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,165 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,293 |
| Random Country to Capital | 0 | - | 4.98 | 925,816 |
| Capitals Starting With H | 0 | - | 4.91 | 93,070 |
| Capitals Starting With K | 0 | - | 4.88 | 84,131 |
| Capitals Starting With L | 0 | - | 4.81 | 92,536 |
| Capitals Starting With M | 0 | - | 4.93 | 108,688 |
| Capitals Starting With P | 0 | - | 4.88 | 78,719 |
| Capitals Starting With R | 0 | - | 4.88 | 82,271 |
| Capitals Starting With S | 0 | - | 4.90 | 86,310 |
| Capitals Starting With T | 0 | - | 4.85 | 76,604 |
| Capitals Starting With W | 0 | - | 4.87 | 91,579 |
| Capitals Starting With A | 0 | - | 4.97 | 128,756 |
| Capitals Starting With B | 0 | - | 4.89 | 119,158 |
| Capitals Starting With D | 0 | - | 4.93 | 96,941 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,504 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| European Cities by Clue | 0 | - | 4.70 | 89,143 |
| Boroughs of London | 0 | - | 4.63 | 88,407 |
| London Geography | 0 | - | 4.47 | 59,820 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,325 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,774 |
| The Only European Country ... | 0 | - | 4.91 | 218,422 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,191 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,773 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,675 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,937 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,472 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,194 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,028 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,675 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,701 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,321 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,147 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,118 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,298 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,640 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,041 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,302 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,211 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,668 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,717 |
| North America Cities by Map | 0 | - | 4.41 | 47,905 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,741 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,109 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,513 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,444 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,659 |
| Former Capitals | 0 | - | 4.88 | 71,620 |
| Capital Cities Chain | 0 | - | 4.84 | 83,217 |
| Coldest World Capitals | 0 | - | 4.95 | 134,082 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,995 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,705 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,404 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,586 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,660 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,631 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,283 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,928 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,295 |
| Which City in Canada? | 0 | - | 4.83 | 57,278 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,901 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,346 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,278 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,959 |
| Slavic Countries | 0 | - | 4.96 | 112,197 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,880 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,101 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,308 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,856 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,634 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,468 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,624 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,651 |
| Counties of England | 0 | - | 4.97 | 801,419 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,138 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,773 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,422 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,703 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,750 |
