| Countries by Former Name | 0 | - | 4.99 | 125,859 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,686 |
| Former Capitals | 0 | - | 4.88 | 71,685 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,108 |
| Ancient City to Country | 0 | - | 4.70 | 108,358 |
| City-States | 0 | - | 4.53 | 37,408 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,819 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,232 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,349 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,391 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,992 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,236 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,261 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,189 |
| Countries by Capital City | 0 | - | 5.00 | 69,444 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,887 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,258 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,839 |
| Moved Capital Cities | 0 | - | 4.96 | 74,670 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,821 |
| Independence from Whom | 0 | - | 4.99 | 213,131 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,491 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,864 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,143 |
| Countries by Founding Story | 0 | - | 4.95 | 77,827 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,993 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,165 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,266 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,500 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,736 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,477 |
| North American Sports Cities | 0 | - | 4.82 | 173,184 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,565 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,969 |
| Name a City - European Countries | 0 | - | 4.89 | 66,214 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,842 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,994 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,867 |
| World Capitals by Map | 0 | - | 5.00 | 289,483 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,843 |
| Capitals Starting With H | 0 | - | 4.91 | 93,355 |
| Capitals Starting With K | 0 | - | 4.89 | 84,424 |
| Capitals Starting With M | 0 | - | 4.94 | 109,222 |
| Capitals Starting With P | 0 | - | 4.88 | 79,030 |
| Capitals Starting With R | 0 | - | 4.88 | 82,529 |
| Capitals Starting With S | 0 | - | 4.90 | 86,598 |
| Capitals Starting With T | 0 | - | 4.86 | 76,862 |
| Capitals Starting With W | 0 | - | 4.87 | 91,750 |
| Capitals Starting With A | 0 | - | 4.97 | 129,143 |
| Capitals Starting With B | 0 | - | 4.89 | 119,542 |
| Capitals Starting With D | 0 | - | 4.94 | 97,236 |
| Recently Independent Countries | 0 | - | 4.98 | 160,379 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,002 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,818 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,215 |
| Historical City to Country | 0 | - | 4.85 | 79,038 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,074 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,051 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,117 |
| Random Country to Capital | 0 | - | 4.98 | 928,547 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,744 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,114 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,230 |
| Cities in European History #1 | 0 | - | 4.63 | 134,634 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,859 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,448 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,918 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,553 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,215 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,525 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,869 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,784 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,789 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,515 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,948 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,539 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,114 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,705 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,602 |
| Europe Capital to Country | 0 | - | 4.99 | 252,182 |
| Asia Capital to Country | 0 | - | 4.96 | 127,521 |
| Capital Cities Chain | 0 | - | 4.84 | 83,406 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,032 |
| European Capitals by Map | 0 | - | 4.99 | 142,174 |
| African Capitals by Map | 0 | - | 4.99 | 142,281 |
| Coldest World Capitals | 0 | - | 4.95 | 134,174 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,960 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,913 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,215 |
| European Coastal Capitals | 0 | - | 4.95 | 91,339 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,205 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,815 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,844 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,183 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,172 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,600 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,101 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,697 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,503 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,598 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,766 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,903 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,608 |
| Boundary Waters | 0 | - | 4.92 | 88,780 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,722 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,372 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,988 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,995 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,268 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,019 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,586 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,620 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,115 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,715 |
| Official Cities in the UK | 0 | - | 4.89 | 286,370 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,202 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,604 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,509 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,368 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,282 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,515 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,123 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,592 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,864 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,282 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,086 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,078 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,283 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,260 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,603 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,155 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,696 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,414 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,868 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,332 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,120 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,693 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,555 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,597 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,483 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,979 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,943 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,792 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,596 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,949 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,312 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,731 |
| The Only Country ... | 0 | - | 4.91 | 81,915 |
| Countries by Independence Day | 0 | - | 4.62 | 52,862 |
| Former Countries by Capital | 0 | - | 4.45 | 127,826 |
| Former Countries | 0 | - | 4.77 | 134,244 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,512 |
| Battle to Country | 0 | - | 4.91 | 53,990 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,209 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,409 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,879 |
| Capitals of the Stans | 0 | - | 4.95 | 27,159 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,897,903 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,477 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,868 |
| Cities by Airports | 0 | - | 4.47 | 104,058 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,430 |
| Cities Chain #2 | 0 | - | 4.42 | 56,528 |
| Cities Chain #1 | 0 | - | 4.61 | 66,831 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,800 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,966 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,359 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,329 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,045 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,162 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,064 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,321 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,698 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,278 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,489 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,281 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,863 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,657 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,406 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,909 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,580 |
| Capitals Starting With L | 0 | - | 4.80 | 95,857 |
| Capitals Starting With N | 0 | - | 4.80 | 51,918 |
| Capitals Starting With V | 0 | - | 4.80 | 38,667 |
| Capitals Starting With C | 0 | - | 4.78 | 99,035 |
| Landlocked Countries | 0 | - | 4.99 | 426,140 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,952 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,182 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,710 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,564 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,819 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,936 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,420 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,023 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,045 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,985 |
| Cities with the Same Name | 0 | - | 3.94 | 36,729 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,841 |
