| Cities by Former Name | 0 | - | 4.83 | 91,891 |
| World Capitals Quiz | 0 | - | 5.00 | 5,095,109 |
| Former Capitals | 0 | - | 4.88 | 71,600 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,411 |
| Ancient City to Country | 0 | - | 4.70 | 108,245 |
| City-States | 0 | - | 4.53 | 37,362 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,769 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,187 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,964 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,891 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,789 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,978 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,908 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,776 |
| Countries by Capital City | 0 | - | 5.00 | 69,059 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,631 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,045 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,624 |
| Moved Capital Cities | 0 | - | 4.96 | 74,518 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,738 |
| Independence from Whom | 0 | - | 4.99 | 212,577 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,078 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,702 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,748 |
| Countries by Founding Story | 0 | - | 4.95 | 77,541 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,047 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,144 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,440 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,648 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,270 |
| North American Sports Cities | 0 | - | 4.83 | 172,934 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,485 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,779 |
| Name a City - European Countries | 0 | - | 4.90 | 65,933 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,596 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,872 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,612 |
| World Capitals by Map | 0 | - | 5.00 | 288,542 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,667 |
| Capitals Starting With H | 0 | - | 4.91 | 92,908 |
| Capitals Starting With K | 0 | - | 4.88 | 83,963 |
| Capitals Starting With L | 0 | - | 4.81 | 88,417 |
| Capitals Starting With M | 0 | - | 4.93 | 108,390 |
| Capitals Starting With P | 0 | - | 4.88 | 78,533 |
| Capitals Starting With R | 0 | - | 4.87 | 82,130 |
| Capitals Starting With S | 0 | - | 4.90 | 86,125 |
| Capitals Starting With T | 0 | - | 4.85 | 76,461 |
| Capitals Starting With W | 0 | - | 4.87 | 91,486 |
| Capitals Starting With A | 0 | - | 4.97 | 128,544 |
| Capitals Starting With B | 0 | - | 4.89 | 118,940 |
| Capitals Starting With D | 0 | - | 4.93 | 96,809 |
| Recently Independent Countries | 0 | - | 4.98 | 159,712 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,595 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,255 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,738 |
| Countries by Former Name | 0 | - | 4.99 | 125,571 |
| Historical City to Country | 0 | - | 4.85 | 78,763 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,964 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,917 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,111 |
| Random Country to Capital | 0 | - | 4.98 | 925,360 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,295 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,618 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,028 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,208 |
| Cities in European History #1 | 0 | - | 4.63 | 134,429 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,625 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,130 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,709 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,397 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,075 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,423 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,737 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,588 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,696 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,235 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,701 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,026 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,775 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,478 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,410 |
| Europe Capital to Country | 0 | - | 4.99 | 251,534 |
| Asia Capital to Country | 0 | - | 4.96 | 127,175 |
| Capital Cities Chain | 0 | - | 4.84 | 83,172 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,638 |
| European Capitals by Map | 0 | - | 4.99 | 141,363 |
| African Capitals by Map | 0 | - | 4.99 | 141,353 |
| Coldest World Capitals | 0 | - | 4.95 | 134,058 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,569 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,625 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,974 |
| European Coastal Capitals | 0 | - | 4.95 | 91,076 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,068 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,721 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,263 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,051 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,951 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,344 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,916 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,620 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,039 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,319 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,594 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,741 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,594 |
| Boundary Waters | 0 | - | 4.92 | 88,674 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,332 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,488 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,063 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,792 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,800 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,081 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,961 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,565 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,587 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,464 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,536 |
| Official Cities in the UK | 0 | - | 4.89 | 285,416 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,182 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,595 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,436 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,145 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,234 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,314 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,850 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,577 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,692 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,270 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,035 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,833 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,429 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,970 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,390 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,814 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,517 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,238 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,798 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,073 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,729 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,449 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,382 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,458 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,369 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,767 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,778 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,636 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,434 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,281 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,278 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,569 |
| The Only Country ... | 0 | - | 4.91 | 81,655 |
| Countries by Independence Day | 0 | - | 4.62 | 52,831 |
| Former Countries by Capital | 0 | - | 4.45 | 127,713 |
| Former Countries | 0 | - | 4.77 | 134,074 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,309 |
| Battle to Country | 0 | - | 4.91 | 53,736 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,066 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,046 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,592 |
| Capitals of the Stans | 0 | - | 4.95 | 27,056 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,736,377 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,385 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,660 |
| Cities by Airports | 0 | - | 4.47 | 103,740 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,269 |
| Cities Chain #2 | 0 | - | 4.42 | 56,470 |
| Cities Chain #1 | 0 | - | 4.61 | 66,755 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,289 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,692 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,308 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,325 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,582 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,027 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,308 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,243 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,441 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,231 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,452 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,828 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,325 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,223 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,085 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,704 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,434 |
| Capitals Starting With N | 0 | - | 4.80 | 51,481 |
| Capitals Starting With V | 0 | - | 4.79 | 38,414 |
| Capitals Starting With C | 0 | - | 4.78 | 98,451 |
| Landlocked Countries | 0 | - | 4.99 | 423,859 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,557 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,537 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,498 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,314 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,419 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,822 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,224 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,716 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,734 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,971 |
| Cities with the Same Name | 0 | - | 3.94 | 36,711 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,829 |
