| Countries by Former Name | 0 | - | 4.99 | 124,951 |
| World Capitals Quiz | 0 | - | 5.00 | 5,065,570 |
| Former Capitals | 0 | - | 4.88 | 71,397 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,571 |
| Ancient City to Country | 0 | - | 4.70 | 107,957 |
| City-States | 0 | - | 4.53 | 37,235 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,636 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,093 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,916 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,016 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,272 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,321 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,028 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,708 |
| Countries by Capital City | 0 | - | 5.00 | 67,993 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,013 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,501 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,014 |
| Moved Capital Cities | 0 | - | 4.96 | 74,082 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,446 |
| Independence from Whom | 0 | - | 4.99 | 211,389 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,767 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,399 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,022 |
| Countries by Founding Story | 0 | - | 4.95 | 77,095 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,783 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,093 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,131 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,301 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,767 |
| North American Sports Cities | 0 | - | 4.83 | 171,878 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,269 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,287 |
| Name a City - European Countries | 0 | - | 4.90 | 65,236 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,338 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,596 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,972 |
| World Capitals by Map | 0 | - | 5.00 | 285,746 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,187 |
| Capitals Starting With H | 0 | - | 4.91 | 92,351 |
| Capitals Starting With K | 0 | - | 4.88 | 82,752 |
| Capitals Starting With L | 0 | - | 4.81 | 87,860 |
| Capitals Starting With M | 0 | - | 4.93 | 107,489 |
| Capitals Starting With P | 0 | - | 4.88 | 78,009 |
| Capitals Starting With R | 0 | - | 4.87 | 81,656 |
| Capitals Starting With S | 0 | - | 4.90 | 85,594 |
| Capitals Starting With T | 0 | - | 4.85 | 76,015 |
| Capitals Starting With W | 0 | - | 4.87 | 91,185 |
| Capitals Starting With A | 0 | - | 4.97 | 127,646 |
| Capitals Starting With B | 0 | - | 4.89 | 118,252 |
| Capitals Starting With D | 0 | - | 4.93 | 96,240 |
| Recently Independent Countries | 0 | - | 4.98 | 159,061 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,652 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,839 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,480 |
| Historical City to Country | 0 | - | 4.84 | 78,451 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,325 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,471 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,621 |
| Random Country to Capital | 0 | - | 4.98 | 918,923 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,229 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,314 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,821 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,123 |
| Cities in European History #1 | 0 | - | 4.63 | 133,851 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,021 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,445 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,141 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,108 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,584 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,187 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,468 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,115 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,517 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,481 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,826 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,710 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,886 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,742 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,718 |
| Europe Capital to Country | 0 | - | 4.99 | 249,693 |
| Asia Capital to Country | 0 | - | 4.96 | 126,517 |
| Capital Cities Chain | 0 | - | 4.83 | 82,550 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,670 |
| European Capitals by Map | 0 | - | 4.99 | 138,715 |
| African Capitals by Map | 0 | - | 4.99 | 133,445 |
| Coldest World Capitals | 0 | - | 4.95 | 133,489 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,131 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,940 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,282 |
| European Coastal Capitals | 0 | - | 4.95 | 90,435 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,521 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,356 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,667 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,764 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,433 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,730 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,308 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,462 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,877 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,534 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,137 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,327 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,560 |
| Boundary Waters | 0 | - | 4.92 | 88,393 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,103 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,949 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,230 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,366 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,297 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,617 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,764 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,511 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,468 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,667 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,873 |
| Official Cities in the UK | 0 | - | 4.89 | 283,215 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,139 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,090 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,655 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,165 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,928 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,393 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,526 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,473 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,222 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,864 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,640 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,281 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,320 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,930 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,055 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,775 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,734 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,617 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,231 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,573 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,805 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,970 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,098 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,094 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,171 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,333 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,316 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,967 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,351 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,158 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,205 |
| The Only Country ... | 0 | - | 4.91 | 80,838 |
| Countries by Independence Day | 0 | - | 4.61 | 52,719 |
| Former Countries by Capital | 0 | - | 4.45 | 127,386 |
| Former Countries | 0 | - | 4.75 | 133,689 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,698 |
| Battle to Country | 0 | - | 4.91 | 53,196 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,654 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,968 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,772 |
| Capitals of the Stans | 0 | - | 4.95 | 26,775 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,355,852 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,180 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,995 |
| Cities by Airports | 0 | - | 4.49 | 88,664 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,855 |
| Cities Chain #2 | 0 | - | 4.42 | 56,329 |
| Cities Chain #1 | 0 | - | 4.61 | 66,590 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,483 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,996 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,179 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,175 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,572 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,517 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,602 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,063 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,937 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,121 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,330 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,809 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,396 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,154 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,343 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,206 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,074 |
| Capitals Starting With N | 0 | - | 4.80 | 51,045 |
| Capitals Starting With V | 0 | - | 4.79 | 38,070 |
| Capitals Starting With C | 0 | - | 4.79 | 97,669 |
| Landlocked Countries | 0 | - | 4.99 | 419,246 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,799 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,799 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,125 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,667 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,314 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,516 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,667 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,719 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,964 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,935 |
| Cities with the Same Name | 0 | - | 3.94 | 36,671 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,801 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,390 |
