| Countries by Former Name | 0 | - | 4.99 | 125,261 |
| World Capitals Quiz | 0 | - | 5.00 | 5,080,289 |
| Former Capitals | 0 | - | 4.88 | 71,499 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,217 |
| Ancient City to Country | 0 | - | 4.70 | 108,104 |
| City-States | 0 | - | 4.53 | 37,290 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,700 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,139 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,355 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,447 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,499 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,616 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,386 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,204 |
| Countries by Capital City | 0 | - | 5.00 | 68,510 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,291 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,761 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,335 |
| Moved Capital Cities | 0 | - | 4.96 | 74,291 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,612 |
| Independence from Whom | 0 | - | 4.99 | 211,962 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,637 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,564 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,391 |
| Countries by Founding Story | 0 | - | 4.95 | 77,319 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,852 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,123 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,177 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,371 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,509 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,995 |
| North American Sports Cities | 0 | - | 4.83 | 172,548 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,368 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,485 |
| Name a City - European Countries | 0 | - | 4.90 | 65,527 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,451 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,722 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,324 |
| World Capitals by Map | 0 | - | 5.00 | 287,170 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,409 |
| Capitals Starting With H | 0 | - | 4.91 | 92,670 |
| Capitals Starting With K | 0 | - | 4.88 | 83,707 |
| Capitals Starting With L | 0 | - | 4.81 | 88,197 |
| Capitals Starting With M | 0 | - | 4.93 | 107,983 |
| Capitals Starting With P | 0 | - | 4.88 | 78,304 |
| Capitals Starting With R | 0 | - | 4.87 | 81,938 |
| Capitals Starting With S | 0 | - | 4.90 | 85,904 |
| Capitals Starting With T | 0 | - | 4.85 | 76,258 |
| Capitals Starting With W | 0 | - | 4.87 | 91,369 |
| Capitals Starting With A | 0 | - | 4.97 | 128,213 |
| Capitals Starting With B | 0 | - | 4.89 | 118,650 |
| Capitals Starting With D | 0 | - | 4.93 | 96,571 |
| Recently Independent Countries | 0 | - | 4.98 | 159,402 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,124 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,573 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,159 |
| Historical City to Country | 0 | - | 4.84 | 78,603 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,899 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,098 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,350 |
| Random Country to Capital | 0 | - | 4.98 | 921,901 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,252 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,442 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,918 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,166 |
| Cities in European History #1 | 0 | - | 4.63 | 134,133 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,332 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,796 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,426 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,272 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,859 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,305 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,606 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,360 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,596 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,859 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,100 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,354 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,292 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,008 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,897 |
| Europe Capital to Country | 0 | - | 4.99 | 250,673 |
| Asia Capital to Country | 0 | - | 4.96 | 126,774 |
| Capital Cities Chain | 0 | - | 4.83 | 82,869 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,085 |
| European Capitals by Map | 0 | - | 4.99 | 139,688 |
| African Capitals by Map | 0 | - | 4.99 | 134,060 |
| Coldest World Capitals | 0 | - | 4.95 | 133,622 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,568 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,224 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,555 |
| European Coastal Capitals | 0 | - | 4.95 | 90,736 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,638 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,512 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,343 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,892 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,689 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,036 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,712 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,548 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,478 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,930 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,358 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,529 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,578 |
| Boundary Waters | 0 | - | 4.92 | 88,523 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,220 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,209 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,617 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,546 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,515 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,865 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,839 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,540 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,532 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,346 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,061 |
| Official Cities in the UK | 0 | - | 4.89 | 284,253 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,158 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,577 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,178 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,908 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,202 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,124 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,603 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,553 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,576 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,247 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,965 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,122 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,319 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,608 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,146 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,441 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,275 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,945 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,708 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,575 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,118 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,126 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,172 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,248 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,222 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,492 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,544 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,484 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,166 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,789 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,213 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,362 |
| The Only Country ... | 0 | - | 4.91 | 81,306 |
| Countries by Independence Day | 0 | - | 4.61 | 52,768 |
| Former Countries by Capital | 0 | - | 4.45 | 127,550 |
| Former Countries | 0 | - | 4.75 | 133,872 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,984 |
| Battle to Country | 0 | - | 4.91 | 53,452 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,867 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,608 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,209 |
| Capitals of the Stans | 0 | - | 4.95 | 26,886 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,541,400 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,282 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,343 |
| Cities by Airports | 0 | - | 4.49 | 88,791 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,084 |
| Cities Chain #2 | 0 | - | 4.42 | 56,416 |
| Cities Chain #1 | 0 | - | 4.61 | 66,663 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,596 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,301 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,229 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,819 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,072 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,650 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,923 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,149 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,197 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,170 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,365 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,269 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,774 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,589 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,669 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,451 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,249 |
| Capitals Starting With N | 0 | - | 4.80 | 51,290 |
| Capitals Starting With V | 0 | - | 4.79 | 38,261 |
| Capitals Starting With C | 0 | - | 4.79 | 98,111 |
| Landlocked Countries | 0 | - | 4.99 | 421,464 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,161 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,286 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,330 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,002 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,845 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,682 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,971 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,331 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,334 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,949 |
| Cities with the Same Name | 0 | - | 3.94 | 36,688 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,814 |
