| Name a City - European Countries | 0 | - | 4.92 | 64,681 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,808 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,199 |
| Europe Capital to Country | 0 | - | 4.99 | 248,448 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,838 |
| European Capitals by Map | 0 | - | 4.99 | 137,148 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,453 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,832 |
| European Coastal Capitals | 0 | - | 4.95 | 89,967 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,294 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,374 |
| Official Cities in the UK | 0 | - | 4.89 | 281,354 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,585 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,832 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,899 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,200 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,452 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,625 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,315 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,436 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,314 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,184 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,729 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,653 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,750 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,822 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,249 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,265 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,233 |
| World Capitals Quiz | 0 | - | 5.00 | 5,042,289 |
| Asia Capital to Country | 0 | - | 4.96 | 125,980 |
| African Capitals by Map | 0 | - | 4.99 | 132,517 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,526 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,284 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,665 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,499 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,074 |
| Which City in Europe? | 0 | - | 4.83 | 106,900 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,397 |
| Cities in European History #1 | 0 | - | 4.63 | 133,379 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,235 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,607 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,229 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,337 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,577 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,958 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,346 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,698 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,834 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,382 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,361 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,816 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,705 |
| Monarchies of Europe | 0 | - | 4.90 | 97,534 |
| Capitals of the Stans | 0 | - | 4.95 | 26,524 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,709 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,771 |
| Europe Map Quiz | 0 | - | 5.00 | 4,739,441 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,133 |
| Random European City to Country | 0 | - | 4.69 | 116,815 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,719 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,045 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,578 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,820 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,725 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,651 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,590 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,378 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,178 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,819 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,490 |
| Find the City #1 | 0 | - | 4.97 | 42,338 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,332 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,925 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,882 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,054 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,898 |
| Countries by Capital City | 0 | - | 5.00 | 67,142 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,566 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,097 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,137 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,566 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,870 |
| Moved Capital Cities | 0 | - | 4.96 | 73,765 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 74,403 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,490 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,412 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,726 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,206 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,263 |
| Random European Capital to Country | 0 | - | 4.98 | 189,542 |
| Random European Country to Capital | 0 | - | 4.92 | 147,702 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,542 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,636 |
| Random African Capital to Country | 0 | - | 4.97 | 99,887 |
| Random African Country to Capital | 0 | - | 4.94 | 70,365 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,077 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,058 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,630 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,229 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,456 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,261 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,289 |
| North American Sports Cities | 0 | - | 4.83 | 171,170 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,991 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,865 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,804 |
| 10 Westernmost Major Cities in Europe | 0 | - | 4.40 | 23,642 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,987 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,920 |
| Name a Valid World City | 0 | - | 4.83 | 70,367 |
| Cities by Former Name | 0 | - | 4.84 | 91,146 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,336 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,115 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,359 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,857 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,816 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,263 |
| World Capitals by Map | 0 | - | 5.00 | 284,210 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,844 |
| Random Capital to Country | 0 | - | 4.99 | 2,581,436 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,382 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,732 |
| Random Country to Capital | 0 | - | 4.98 | 913,475 |
| Capitals Starting With H | 0 | - | 4.90 | 91,566 |
| Capitals Starting With K | 0 | - | 4.85 | 75,843 |
| Capitals Starting With L | 0 | - | 4.81 | 87,016 |
| Capitals Starting With M | 0 | - | 4.93 | 106,379 |
| Capitals Starting With P | 0 | - | 4.88 | 77,345 |
| Capitals Starting With R | 0 | - | 4.87 | 81,118 |
| Capitals Starting With S | 0 | - | 4.89 | 84,970 |
| Capitals Starting With T | 0 | - | 4.84 | 75,440 |
| Capitals Starting With W | 0 | - | 4.89 | 90,757 |
| Capitals Starting With A | 0 | - | 4.97 | 126,766 |
| Capitals Starting With B | 0 | - | 4.89 | 117,488 |
| Capitals Starting With D | 0 | - | 4.93 | 95,568 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,708 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,943 |
| European Cities by Clue | 0 | - | 4.70 | 88,881 |
| Boroughs of London | 0 | - | 4.63 | 87,257 |
| London Geography | 0 | - | 4.47 | 59,515 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,536 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,994 |
| The Only European Country ... | 0 | - | 4.91 | 214,588 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,995 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,823 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,825 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,312 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,042 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,371 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,888 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,081 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,078 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,910 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,638 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,072 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,181 |
| Southernmost Major Cities | 0 | - | 4.48 | 56,825 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,665 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,056 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,495 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,387 |
| North America Cities by Map | 0 | - | 4.41 | 47,665 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,395 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,553 |
| Random Asian City to Country | 0 | - | 4.56 | 44,419 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,915 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,463 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,487 |
| Former Capitals | 0 | - | 4.88 | 71,223 |
| Capital Cities Chain | 0 | - | 4.84 | 82,088 |
| Coldest World Capitals | 0 | - | 4.95 | 133,143 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,995 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,448 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,186 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,448 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,543 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,439 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,089 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,823 |
| Which City in Canada? | 0 | - | 4.82 | 56,796 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,844 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,919 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,938 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,521 |
| Slavic Countries | 0 | - | 4.96 | 111,062 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,206 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,985 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,954 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,531 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,835 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,176 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,640 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,374 |
| Counties of England | 0 | - | 4.97 | 791,088 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,810 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,339 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,190 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,167 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,931 |
