| Name a City - European Countries | 0 | - | 4.89 | 66,235 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,136 |
| Europe Capital to Country | 0 | - | 4.99 | 252,237 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,064 |
| European Capitals by Map | 0 | - | 4.99 | 142,241 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,948 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,238 |
| European Coastal Capitals | 0 | - | 4.95 | 91,363 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,832 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,893 |
| Official Cities in the UK | 0 | - | 4.89 | 286,468 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,628 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,607 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,741 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,989 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,420 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,691 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 108,853 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 192,053 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,209 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,179 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,103 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,633 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,066 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,484 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,625 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,497 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,444 |
| Which City in Europe? | 0 | - | 4.83 | 107,915 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,282 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,546 |
| Asia Capital to Country | 0 | - | 4.96 | 127,603 |
| African Capitals by Map | 0 | - | 4.99 | 142,317 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,158 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,974 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,218 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,872 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,194 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,678 |
| Cities in European History #1 | 0 | - | 4.63 | 134,656 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,464 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,900 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,391 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,525 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,528 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,736 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,344 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,285 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,185 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,426 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,489 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,991 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,807 |
| Monarchies of Europe | 0 | - | 4.90 | 98,919 |
| Random European City to Country | 0 | - | 4.69 | 118,487 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,089 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,148 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,151 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,713 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,310 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,426 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,806 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,955 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,847 |
| Countries That Border Russia | 0 | - | 4.98 | 464,618 |
| Russia Country Quiz | 0 | - | 4.83 | 115,350 |
| Capitals of the Stans | 0 | - | 4.95 | 27,178 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,459 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,691 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,003 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,130 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,431 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,490 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,574 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,109 |
| Random European Capital to Country | 0 | - | 4.98 | 192,214 |
| Random European Country to Capital | 0 | - | 4.93 | 165,966 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,012 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,485 |
| Random African Capital to Country | 0 | - | 4.97 | 101,391 |
| Random African Country to Capital | 0 | - | 4.95 | 71,781 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,403 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,902 |
| Rome A-Z | 0 | - | 4.40 | 24,559 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,853 |
| Paris A-Z | 0 | - | 4.16 | 17,506 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,138 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 102,975 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,298 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,123 |
| Countries that Border Poland | 0 | - | 4.99 | 173,218 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,344 |
| Italy A-Z | 0 | - | 4.49 | 58,779 |
| Germany A-Z | 0 | - | 4.56 | 62,875 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,662 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,376 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,360 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,424 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,012 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,257 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,292 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,214 |
| Countries by Capital City | 0 | - | 5.00 | 69,474 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,909 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,271 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,057 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,179 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,859 |
| Moved Capital Cities | 0 | - | 4.96 | 74,680 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,283 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,394 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,830 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,749 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,347 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,510 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,648 |
| British Places A-Z | 0 | - | 4.29 | 80,113 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,044 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,890 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,497 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,031 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,137 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,039 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,391 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,464 |
| Random Country to Capital | 0 | - | 4.98 | 928,868 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,145 |
| European Cities by Clue | 0 | - | 4.70 | 89,182 |
| Boroughs of London | 0 | - | 4.63 | 88,606 |
| London Geography | 0 | - | 4.47 | 59,879 |
| Australia A-Z | 0 | - | 4.54 | 50,147 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,336 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,796 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,120 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,495 |
| North American Sports Cities | 0 | - | 4.82 | 173,192 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,576 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,958 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,923 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,222 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,980 |
| Name a Valid World City | 0 | - | 4.85 | 72,034 |
| Cities by Former Name | 0 | - | 4.83 | 92,096 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,941 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,002 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,885 |
| World Capitals by Map | 0 | - | 5.00 | 289,591 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,853 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,878 |
| Capitals Starting With H | 0 | - | 4.91 | 93,369 |
| Capitals Starting With K | 0 | - | 4.88 | 84,443 |
| Capitals Starting With M | 0 | - | 4.94 | 109,239 |
| Capitals Starting With P | 0 | - | 4.88 | 79,039 |
| Capitals Starting With R | 0 | - | 4.88 | 82,535 |
| Capitals Starting With S | 0 | - | 4.90 | 86,609 |
| Capitals Starting With T | 0 | - | 4.86 | 76,872 |
| Capitals Starting With W | 0 | - | 4.87 | 91,755 |
| Capitals Starting With A | 0 | - | 4.97 | 129,164 |
| Capitals Starting With B | 0 | - | 4.89 | 119,557 |
| Capitals Starting With D | 0 | - | 4.94 | 97,247 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,888 |
| Which City in Canada? | 0 | - | 4.83 | 57,371 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,937 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,210 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,261 |
| The Only European Country ... | 0 | - | 4.91 | 219,210 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,625 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,752 |
| Biggest Trading Partners - Russia | 0 | - | 4.55 | 36,661 |
| India A-Z | 0 | - | 4.42 | 34,311 |
| China A-Z | 0 | - | 4.55 | 67,664 |
| Counties of England | 0 | - | 4.97 | 803,325 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,741 |
| British History A-Z #1 | 0 | - | 4.45 | 47,281 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,926 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,797 |
| North America Cities by Map | 0 | - | 4.41 | 47,954 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,965 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,571 |
| Random Asian City to Country | 0 | - | 4.56 | 44,623 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,719 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,612 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,799 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,872 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,508 |
| Former Capitals | 0 | - | 4.88 | 71,693 |
| Capital Cities Chain | 0 | - | 4.84 | 83,427 |
| Coldest World Capitals | 0 | - | 4.95 | 134,185 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,191 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,615 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,178 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,879 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,432 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,784 |
| US States and State Capitals | 0 | - | 4.99 | 165,548 |
| Which City in Germany? | 0 | - | 4.50 | 137,411 |
| Which City in Italy? | 0 | - | 4.68 | 90,580 |
| Which City in France? | 0 | - | 4.67 | 73,394 |
