| Name a City - European Countries | 0 | - | 4.90 | 65,769 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,346 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,538 |
| Europe Capital to Country | 0 | - | 4.99 | 251,127 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,365 |
| European Capitals by Map | 0 | - | 4.99 | 140,495 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,394 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,730 |
| European Coastal Capitals | 0 | - | 4.95 | 90,917 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,651 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,834 |
| Official Cities in the UK | 0 | - | 4.89 | 284,877 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,269 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,360 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,467 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,413 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,508 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,725 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,948 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,423 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,346 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,623 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,479 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,789 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,072 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,484 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,048 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,510 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,261 |
| Asia Capital to Country | 0 | - | 4.96 | 126,964 |
| African Capitals by Map | 0 | - | 4.99 | 137,869 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,968 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,710 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,164 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,968 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,042 |
| Which City in Europe? | 0 | - | 4.83 | 107,651 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,515 |
| Cities in European History #1 | 0 | - | 4.63 | 134,284 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,394 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,816 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,032 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,165 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,233 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,748 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,085 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,870 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,795 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,626 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,097 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,286 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,625 |
| Monarchies of Europe | 0 | - | 4.90 | 98,440 |
| Capitals of the Stans | 0 | - | 4.95 | 26,971 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,645 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,509 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,297 |
| Random European City to Country | 0 | - | 4.69 | 118,136 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,324 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,126 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,326 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,579 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,889 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,955 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,544 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,600 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,700 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,624 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,951 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,657 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,628 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,769 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,626 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,479 |
| Countries by Capital City | 0 | - | 5.00 | 68,769 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,452 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,890 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,465 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,482 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,335 |
| Moved Capital Cities | 0 | - | 4.96 | 74,403 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,673 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,050 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,889 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,853 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,575 |
| Random European Capital to Country | 0 | - | 4.98 | 191,586 |
| Random European Country to Capital | 0 | - | 4.93 | 165,492 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,770 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,080 |
| Random African Capital to Country | 0 | - | 4.97 | 100,990 |
| Random African Country to Capital | 0 | - | 4.94 | 71,465 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,289 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,715 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,820 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,519 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,114 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,002 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,132 |
| North American Sports Cities | 0 | - | 4.83 | 172,732 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,431 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,984 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,867 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,869 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,827 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,653 |
| Name a Valid World City | 0 | - | 4.83 | 71,560 |
| Cities by Former Name | 0 | - | 4.83 | 91,789 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,912 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,524 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,800 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,063 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,967 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,484 |
| World Capitals by Map | 0 | - | 5.00 | 287,824 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,546 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,970 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,001 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,151 |
| Random Country to Capital | 0 | - | 4.98 | 923,746 |
| Capitals Starting With H | 0 | - | 4.91 | 92,796 |
| Capitals Starting With K | 0 | - | 4.88 | 83,852 |
| Capitals Starting With L | 0 | - | 4.81 | 88,315 |
| Capitals Starting With M | 0 | - | 4.93 | 108,186 |
| Capitals Starting With P | 0 | - | 4.88 | 78,427 |
| Capitals Starting With R | 0 | - | 4.87 | 82,045 |
| Capitals Starting With S | 0 | - | 4.90 | 86,030 |
| Capitals Starting With T | 0 | - | 4.84 | 76,374 |
| Capitals Starting With W | 0 | - | 4.87 | 91,432 |
| Capitals Starting With A | 0 | - | 4.97 | 128,387 |
| Capitals Starting With B | 0 | - | 4.88 | 118,803 |
| Capitals Starting With D | 0 | - | 4.93 | 96,702 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,357 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,210 |
| European Cities by Clue | 0 | - | 4.70 | 89,108 |
| Boroughs of London | 0 | - | 4.63 | 88,192 |
| London Geography | 0 | - | 4.47 | 59,767 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,824 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,891 |
| The Only European Country ... | 0 | - | 4.91 | 217,709 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,786 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,288 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,585 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,912 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,446 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,172 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,435 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,995 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,541 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,396 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,047 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,051 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,288 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,269 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,541 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,966 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,161 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,182 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,636 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,654 |
| North America Cities by Map | 0 | - | 4.41 | 47,869 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,465 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,700 |
| Random Asian City to Country | 0 | - | 4.56 | 44,566 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,341 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,226 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,486 |
| Former Capitals | 0 | - | 4.88 | 71,551 |
| Capital Cities Chain | 0 | - | 4.84 | 83,040 |
| Coldest World Capitals | 0 | - | 4.95 | 133,691 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,828 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,551 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,181 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,067 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,634 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,334 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,253 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,906 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,286 |
| Which City in Canada? | 0 | - | 4.83 | 57,184 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,701 |
| Countries with the Most Christians | 0 | - | 4.93 | 143,737 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,667 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,689 |
| Slavic Countries | 0 | - | 4.96 | 111,989 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,628 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,787 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,040 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,546 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,473 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,215 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,456 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,493 |
| Counties of England | 0 | - | 4.97 | 799,778 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 35,077 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,368 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,820 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,445 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,622 |
