| Cities by Former Name | 0 | - | 4.83 | 92,211 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,102 |
| Former Capitals | 0 | - | 4.88 | 71,745 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,206 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,076 |
| Ancient City to Country | 0 | - | 4.72 | 108,413 |
| City-States | 0 | - | 4.53 | 37,444 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,863 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,363 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,561 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,618 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,117 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,382 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,501 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,457 |
| Countries by Capital City | 0 | - | 5.00 | 69,700 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,217 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,389 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,999 |
| Moved Capital Cities | 0 | - | 4.96 | 74,753 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,876 |
| Independence from Whom | 0 | - | 4.99 | 213,491 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,732 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,945 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,350 |
| Countries by Founding Story | 0 | - | 4.95 | 77,934 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,577 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,177 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,294 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,802 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,782 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,607 |
| North American Sports Cities | 0 | - | 4.82 | 173,335 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,616 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,078 |
| Name a City - European Countries | 0 | - | 4.89 | 66,433 |
| Name a Valid World City | 0 | - | 4.85 | 72,173 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,996 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,059 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,005 |
| World Capitals by Map | 0 | - | 5.00 | 290,110 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,964 |
| Capitals Starting With H | 0 | - | 4.91 | 93,478 |
| Capitals Starting With K | 0 | - | 4.89 | 84,538 |
| Capitals Starting With L | 0 | - | 4.81 | 96,133 |
| Capitals Starting With M | 0 | - | 4.94 | 109,425 |
| Capitals Starting With P | 0 | - | 4.88 | 79,150 |
| Capitals Starting With R | 0 | - | 4.89 | 82,634 |
| Capitals Starting With S | 0 | - | 4.90 | 86,721 |
| Capitals Starting With T | 0 | - | 4.86 | 76,975 |
| Capitals Starting With W | 0 | - | 4.87 | 91,811 |
| Capitals Starting With A | 0 | - | 4.97 | 129,321 |
| Capitals Starting With B | 0 | - | 4.89 | 119,685 |
| Capitals Starting With D | 0 | - | 4.94 | 97,344 |
| Recently Independent Countries | 0 | - | 4.98 | 160,560 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,238 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,180 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,571 |
| Countries by Former Name | 0 | - | 4.99 | 126,015 |
| Historical City to Country | 0 | - | 4.85 | 79,112 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,350 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,244 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,916 |
| Random Country to Capital | 0 | - | 4.98 | 930,634 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,348 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,812 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,164 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,244 |
| Cities in European History #1 | 0 | - | 4.63 | 134,875 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,011 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,693 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,053 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,637 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,308 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,586 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,946 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,904 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,840 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,722 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,103 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,883 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,411 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,855 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,724 |
| Europe Capital to Country | 0 | - | 4.99 | 252,682 |
| Asia Capital to Country | 0 | - | 4.96 | 127,733 |
| Capital Cities Chain | 0 | - | 4.84 | 83,557 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,365 |
| European Capitals by Map | 0 | - | 4.99 | 142,659 |
| African Capitals by Map | 0 | - | 4.99 | 142,673 |
| Coldest World Capitals | 0 | - | 4.95 | 134,333 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,157 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,175 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,434 |
| European Coastal Capitals | 0 | - | 4.95 | 91,536 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,287 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,458 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,815 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,268 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,285 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,769 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,869 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,810 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,828 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,881 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,009 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,622 |
| Boundary Waters | 0 | - | 4.92 | 88,868 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,480 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,882 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,615 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,094 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,110 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,405 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,066 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,604 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,658 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,374 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,836 |
| Official Cities in the UK | 0 | - | 4.89 | 287,002 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,211 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,612 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,557 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,510 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,306 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,629 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,295 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,605 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,963 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,297 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,255 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,785 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,775 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,390 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,752 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,366 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,829 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,523 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,915 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,565 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,264 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,839 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,674 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,697 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,582 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,088 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,051 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,901 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,734 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,209 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,344 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,848 |
| The Only Country ... | 0 | - | 4.91 | 82,102 |
| Countries by Independence Day | 0 | - | 4.62 | 52,887 |
| Former Countries by Capital | 0 | - | 4.45 | 127,909 |
| Former Countries | 0 | - | 4.77 | 134,340 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,636 |
| Battle to Country | 0 | - | 4.91 | 54,147 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,324 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,607 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,057 |
| Capitals of the Stans | 0 | - | 4.95 | 27,253 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,995,630 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,535 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,010 |
| Cities by Airports | 0 | - | 4.48 | 104,180 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,522 |
| Cities Chain #2 | 0 | - | 4.42 | 56,553 |
| Cities Chain #1 | 0 | - | 4.61 | 66,880 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,132 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,160 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,397 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,993 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,347 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,225 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,507 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,371 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,831 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,300 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,510 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,577 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,119 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,063 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,590 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,039 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,719 |
| Capitals Starting With N | 0 | - | 4.80 | 52,023 |
| Capitals Starting With V | 0 | - | 4.80 | 38,739 |
| Capitals Starting With C | 0 | - | 4.78 | 99,204 |
| Landlocked Countries | 0 | - | 4.99 | 427,582 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,159 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,834 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,824 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,740 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,091 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,010 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,545 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,216 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,236 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,995 |
