| Countries by Former Name | 0 | - | 4.99 | 125,475 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,211 |
| Former Capitals | 0 | - | 4.88 | 71,563 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,404 |
| Ancient City to Country | 0 | - | 4.70 | 108,194 |
| City-States | 0 | - | 4.53 | 37,332 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,737 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,171 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,787 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,753 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,686 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,864 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,734 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,577 |
| Countries by Capital City | 0 | - | 5.00 | 68,855 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,507 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,943 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,530 |
| Moved Capital Cities | 0 | - | 4.96 | 74,437 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,695 |
| Independence from Whom | 0 | - | 4.99 | 212,352 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,926 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,665 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,623 |
| Countries by Founding Story | 0 | - | 4.95 | 77,461 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,613 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,137 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,208 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,419 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,613 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,178 |
| North American Sports Cities | 0 | - | 4.83 | 172,791 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,447 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,692 |
| Name a City - European Countries | 0 | - | 4.90 | 65,821 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,550 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,831 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,526 |
| World Capitals by Map | 0 | - | 5.00 | 288,088 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,604 |
| Capitals Starting With H | 0 | - | 4.91 | 92,836 |
| Capitals Starting With K | 0 | - | 4.88 | 83,883 |
| Capitals Starting With L | 0 | - | 4.81 | 88,353 |
| Capitals Starting With M | 0 | - | 4.93 | 108,252 |
| Capitals Starting With P | 0 | - | 4.88 | 78,468 |
| Capitals Starting With R | 0 | - | 4.87 | 82,076 |
| Capitals Starting With S | 0 | - | 4.90 | 86,059 |
| Capitals Starting With T | 0 | - | 4.85 | 76,401 |
| Capitals Starting With W | 0 | - | 4.87 | 91,453 |
| Capitals Starting With A | 0 | - | 4.97 | 128,430 |
| Capitals Starting With B | 0 | - | 4.89 | 118,846 |
| Capitals Starting With D | 0 | - | 4.93 | 96,740 |
| Recently Independent Countries | 0 | - | 4.98 | 159,604 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,433 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,039 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,551 |
| Historical City to Country | 0 | - | 4.84 | 78,708 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,994 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,882 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,514 |
| Random Country to Capital | 0 | - | 4.98 | 924,158 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,282 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,565 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,994 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,193 |
| Cities in European History #1 | 0 | - | 4.63 | 134,333 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,524 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,013 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,608 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,358 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,003 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,388 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,696 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,512 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,660 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,113 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,557 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,771 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,613 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,375 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,297 |
| Europe Capital to Country | 0 | - | 4.99 | 251,256 |
| Asia Capital to Country | 0 | - | 4.96 | 127,013 |
| Capital Cities Chain | 0 | - | 4.84 | 83,072 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,450 |
| European Capitals by Map | 0 | - | 4.99 | 140,867 |
| African Capitals by Map | 0 | - | 4.99 | 139,813 |
| Coldest World Capitals | 0 | - | 4.95 | 134,000 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,268 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,485 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,844 |
| European Coastal Capitals | 0 | - | 4.95 | 90,965 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,963 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,351 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,928 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,987 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,871 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,222 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,846 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,591 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,857 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,178 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,519 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,661 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,589 |
| Boundary Waters | 0 | - | 4.92 | 88,632 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,307 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,399 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,928 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,725 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,697 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,998 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,908 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,553 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,564 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 51,633 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,443 |
| Official Cities in the UK | 0 | - | 4.89 | 284,984 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,173 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,592 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,402 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,070 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,223 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,257 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,781 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,568 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,661 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,259 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,011 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,269 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,979 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,865 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,298 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,674 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,439 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,143 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,766 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,933 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,536 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,355 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,300 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,384 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,304 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,682 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,689 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,582 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,375 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,145 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,261 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,502 |
| The Only Country ... | 0 | - | 4.91 | 81,542 |
| Countries by Independence Day | 0 | - | 4.62 | 52,805 |
| Former Countries by Capital | 0 | - | 4.45 | 127,662 |
| Former Countries | 0 | - | 4.77 | 134,003 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,170 |
| Battle to Country | 0 | - | 4.91 | 53,647 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,002 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,904 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,471 |
| Capitals of the Stans | 0 | - | 4.95 | 27,003 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,671,483 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,341 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,547 |
| Cities by Airports | 0 | - | 4.47 | 103,228 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,220 |
| Cities Chain #2 | 0 | - | 4.42 | 56,453 |
| Cities Chain #1 | 0 | - | 4.61 | 66,724 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,064 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,554 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,281 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,866 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,405 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,739 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,184 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,211 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,355 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,214 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,436 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,663 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,105 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,028 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,946 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,608 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,375 |
| Capitals Starting With N | 0 | - | 4.80 | 51,422 |
| Capitals Starting With V | 0 | - | 4.79 | 38,368 |
| Capitals Starting With C | 0 | - | 4.78 | 98,345 |
| Landlocked Countries | 0 | - | 4.99 | 423,099 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,420 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,723 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,451 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,198 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,214 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,770 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,138 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,582 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,600 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,960 |
| Cities with the Same Name | 0 | - | 3.94 | 36,702 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,820 |
