| Name a City - European Countries | 0 | - | 4.89 | 66,456 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,731 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,430 |
| Europe Capital to Country | 0 | - | 4.99 | 252,712 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,378 |
| European Capitals by Map | 0 | - | 4.99 | 142,705 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,185 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,444 |
| European Coastal Capitals | 0 | - | 4.95 | 91,545 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,962 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,838 |
| Official Cities in the UK | 0 | - | 4.89 | 287,065 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,760 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,704 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,854 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,558 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,169 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,044 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,092 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,129 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,030 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,457 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,403 |
| European Capitals by Airport Code | 0 | - | 4.93 | 37,030 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,800 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,740 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,273 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,663 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,682 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,880 |
| Asia Capital to Country | 0 | - | 4.96 | 127,745 |
| African Capitals by Map | 0 | - | 4.99 | 142,701 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,174 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,295 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,498 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,270 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,611 |
| Which City in Europe? | 0 | - | 4.83 | 108,037 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,033 |
| Cities in European History #1 | 0 | - | 4.63 | 134,955 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,483 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,928 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,515 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,650 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,636 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,300 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,874 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,826 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,400 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,390 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,532 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,588 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,104 |
| Monarchies of Europe | 0 | - | 4.90 | 99,083 |
| Capitals of the Stans | 0 | - | 4.95 | 27,261 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,375 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,918 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,030 |
| Random European City to Country | 0 | - | 4.69 | 118,574 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,374 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,527 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,871 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,596 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,601 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,061 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,836 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,719 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,581 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,141 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,200 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,633 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,130 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,402 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,528 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,493 |
| Countries by Capital City | 0 | - | 5.00 | 69,717 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,240 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,403 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,620 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,010 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,657 |
| Moved Capital Cities | 0 | - | 4.96 | 74,763 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,882 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,153 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,524 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,652 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,185 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,415 |
| Random European Capital to Country | 0 | - | 4.98 | 192,420 |
| Random European Country to Capital | 0 | - | 4.93 | 166,124 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,149 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,626 |
| Random African Capital to Country | 0 | - | 4.97 | 101,546 |
| Random African Country to Capital | 0 | - | 4.95 | 71,929 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,465 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,568 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,932 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,328 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,477 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,446 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,614 |
| North American Sports Cities | 0 | - | 4.82 | 173,354 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,619 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,094 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,903 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,939 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,120 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,092 |
| Name a Valid World City | 0 | - | 4.85 | 72,189 |
| Cities by Former Name | 0 | - | 4.83 | 92,221 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,229 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,000 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,065 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,221 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,064 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,012 |
| World Capitals by Map | 0 | - | 5.00 | 290,170 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,971 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,141 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,361 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,467 |
| Random Country to Capital | 0 | - | 4.98 | 930,847 |
| Capitals Starting With H | 0 | - | 4.91 | 93,493 |
| Capitals Starting With K | 0 | - | 4.89 | 84,550 |
| Capitals Starting With L | 0 | - | 4.81 | 96,150 |
| Capitals Starting With M | 0 | - | 4.94 | 109,440 |
| Capitals Starting With P | 0 | - | 4.88 | 79,161 |
| Capitals Starting With R | 0 | - | 4.89 | 82,643 |
| Capitals Starting With S | 0 | - | 4.90 | 86,735 |
| Capitals Starting With T | 0 | - | 4.86 | 76,981 |
| Capitals Starting With W | 0 | - | 4.87 | 91,817 |
| Capitals Starting With A | 0 | - | 4.97 | 129,341 |
| Capitals Starting With B | 0 | - | 4.89 | 119,703 |
| Capitals Starting With D | 0 | - | 4.94 | 97,355 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,871 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,389 |
| European Cities by Clue | 0 | - | 4.70 | 89,227 |
| Boroughs of London | 0 | - | 4.63 | 88,746 |
| London Geography | 0 | - | 4.47 | 59,935 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,358 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,597 |
| The Only European Country ... | 0 | - | 4.91 | 219,752 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,918 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,684 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,786 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,972 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,521 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,250 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,473 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,443 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,883 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 126,101 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,755 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,303 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,401 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,818 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,168 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 88,399 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,245 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,731 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,846 |
| North America Cities by Map | 0 | - | 4.41 | 47,981 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,116 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,922 |
| Random Asian City to Country | 0 | - | 4.56 | 44,648 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,866 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,732 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,024 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| Capital Cities Chain | 0 | - | 4.84 | 83,574 |
| Coldest World Capitals | 0 | - | 4.95 | 134,362 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,292 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,023 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,779 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,569 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,693 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,051 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,355 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,957 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,323 |
| Which City in Canada? | 0 | - | 4.83 | 57,431 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,709 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,018 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,418 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,431 |
| Slavic Countries | 0 | - | 4.96 | 112,555 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,415 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,832 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,846 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,589 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,975 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,239 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,948 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,953 |
| Counties of England | 0 | - | 4.97 | 804,699 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,270 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,555 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,413 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,147 |
