| Countries by Former Name | 0 | - | 4.99 | 125,419 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,191 |
| Former Capitals | 0 | - | 4.88 | 71,542 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,196 |
| Ancient City to Country | 0 | - | 4.70 | 108,173 |
| City-States | 0 | - | 4.53 | 37,317 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,728 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,162 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,662 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,630 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,611 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,747 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,590 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,451 |
| Countries by Capital City | 0 | - | 5.00 | 68,739 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,430 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,874 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,460 |
| Moved Capital Cities | 0 | - | 4.96 | 74,393 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,668 |
| Independence from Whom | 0 | - | 4.99 | 212,248 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,843 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,637 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,556 |
| Countries by Founding Story | 0 | - | 4.95 | 77,424 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,382 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,133 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,196 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,404 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,576 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,117 |
| North American Sports Cities | 0 | - | 4.83 | 172,710 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,424 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,631 |
| Name a City - European Countries | 0 | - | 4.90 | 65,730 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,516 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,787 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,460 |
| World Capitals by Map | 0 | - | 5.00 | 287,704 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,529 |
| Capitals Starting With H | 0 | - | 4.91 | 92,779 |
| Capitals Starting With K | 0 | - | 4.88 | 83,832 |
| Capitals Starting With L | 0 | - | 4.81 | 88,295 |
| Capitals Starting With M | 0 | - | 4.93 | 108,149 |
| Capitals Starting With P | 0 | - | 4.88 | 78,405 |
| Capitals Starting With R | 0 | - | 4.87 | 82,025 |
| Capitals Starting With S | 0 | - | 4.90 | 86,012 |
| Capitals Starting With T | 0 | - | 4.85 | 76,360 |
| Capitals Starting With W | 0 | - | 4.87 | 91,424 |
| Capitals Starting With A | 0 | - | 4.97 | 128,362 |
| Capitals Starting With B | 0 | - | 4.89 | 118,779 |
| Capitals Starting With D | 0 | - | 4.93 | 96,683 |
| Recently Independent Countries | 0 | - | 4.98 | 159,544 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,348 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,906 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,440 |
| Historical City to Country | 0 | - | 4.84 | 78,671 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,318 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,270 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,590 |
| Random Country to Capital | 0 | - | 4.98 | 923,514 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,267 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,529 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,963 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,179 |
| Cities in European History #1 | 0 | - | 4.63 | 134,268 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,463 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,937 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,563 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,330 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,960 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,362 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,667 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,458 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,643 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,041 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,415 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,635 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,492 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,324 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,169 |
| Europe Capital to Country | 0 | - | 4.99 | 251,064 |
| Asia Capital to Country | 0 | - | 4.96 | 126,930 |
| Capital Cities Chain | 0 | - | 4.84 | 83,019 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,306 |
| European Capitals by Map | 0 | - | 4.99 | 140,248 |
| African Capitals by Map | 0 | - | 4.99 | 135,562 |
| Coldest World Capitals | 0 | - | 4.95 | 133,685 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,792 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,362 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,701 |
| European Coastal Capitals | 0 | - | 4.95 | 90,889 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,700 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,091 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,750 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,947 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,816 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,166 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,803 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,575 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,745 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,110 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,479 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,609 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,583 |
| Boundary Waters | 0 | - | 4.92 | 88,611 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,280 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,341 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,825 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,674 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,633 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,954 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,890 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,549 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,557 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,873 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,368 |
| Official Cities in the UK | 0 | - | 4.89 | 284,769 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,166 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,586 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,369 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,011 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,215 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,211 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,734 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,565 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,638 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,257 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,989 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,998 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,799 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,773 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,252 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,596 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,392 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,076 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,750 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,802 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,405 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,284 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,263 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,341 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,276 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,600 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,645 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,543 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,319 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,048 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,245 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,455 |
| The Only Country ... | 0 | - | 4.91 | 81,480 |
| Countries by Independence Day | 0 | - | 4.62 | 52,791 |
| Former Countries by Capital | 0 | - | 4.45 | 127,629 |
| Former Countries | 0 | - | 4.75 | 133,974 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,112 |
| Battle to Country | 0 | - | 4.91 | 53,588 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,959 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,823 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,397 |
| Capitals of the Stans | 0 | - | 4.95 | 26,956 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,633,128 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,327 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,491 |
| Cities by Airports | 0 | - | 4.47 | 102,528 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,176 |
| Cities Chain #2 | 0 | - | 4.42 | 56,441 |
| Cities Chain #1 | 0 | - | 4.61 | 66,699 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,932 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,475 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,261 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,615 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,293 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,709 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,100 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,196 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,310 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,202 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,422 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,517 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,982 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,910 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,841 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,559 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,328 |
| Capitals Starting With N | 0 | - | 4.80 | 51,372 |
| Capitals Starting With V | 0 | - | 4.79 | 38,328 |
| Capitals Starting With C | 0 | - | 4.78 | 98,268 |
| Landlocked Countries | 0 | - | 4.99 | 422,619 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,333 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 578,987 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,413 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,140 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,093 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,741 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,081 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,497 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,512 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,956 |
| Cities with the Same Name | 0 | - | 3.94 | 36,699 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,818 |
