| Cities by Former Name | 0 | - | 4.83 | 91,700 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,762 |
| Former Capitals | 0 | - | 4.88 | 71,514 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,747 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,285 |
| Ancient City to Country | 0 | - | 4.70 | 108,128 |
| City-States | 0 | - | 4.53 | 37,303 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,714 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,146 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,424 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,509 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,533 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,657 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,465 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,279 |
| Countries by Capital City | 0 | - | 5.00 | 68,602 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,355 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,793 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,383 |
| Moved Capital Cities | 0 | - | 4.96 | 74,327 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,625 |
| Independence from Whom | 0 | - | 4.99 | 212,070 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,714 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,592 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,456 |
| Countries by Founding Story | 0 | - | 4.95 | 77,360 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,047 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,128 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,182 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,385 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,526 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,045 |
| North American Sports Cities | 0 | - | 4.83 | 172,621 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,382 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,529 |
| Name a City - European Countries | 0 | - | 4.90 | 65,586 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,472 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,745 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,377 |
| World Capitals by Map | 0 | - | 5.00 | 287,343 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,448 |
| Capitals Starting With H | 0 | - | 4.91 | 92,706 |
| Capitals Starting With K | 0 | - | 4.88 | 83,751 |
| Capitals Starting With L | 0 | - | 4.81 | 88,234 |
| Capitals Starting With M | 0 | - | 4.93 | 108,037 |
| Capitals Starting With P | 0 | - | 4.88 | 78,332 |
| Capitals Starting With R | 0 | - | 4.87 | 81,967 |
| Capitals Starting With S | 0 | - | 4.90 | 85,940 |
| Capitals Starting With T | 0 | - | 4.84 | 76,293 |
| Capitals Starting With W | 0 | - | 4.87 | 91,387 |
| Capitals Starting With A | 0 | - | 4.97 | 128,266 |
| Capitals Starting With B | 0 | - | 4.89 | 118,684 |
| Capitals Starting With D | 0 | - | 4.93 | 96,609 |
| Recently Independent Countries | 0 | - | 4.98 | 159,461 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,215 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,702 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,271 |
| Countries by Former Name | 0 | - | 4.99 | 125,323 |
| Historical City to Country | 0 | - | 4.84 | 78,627 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,509 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,502 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,282 |
| Random Country to Capital | 0 | - | 4.98 | 922,574 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,256 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,474 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,940 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,171 |
| Cities in European History #1 | 0 | - | 4.63 | 134,183 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,389 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,850 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,488 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,295 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,901 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,331 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,635 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,399 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,617 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,926 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,162 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,460 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,357 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,069 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,923 |
| Europe Capital to Country | 0 | - | 4.99 | 250,807 |
| Asia Capital to Country | 0 | - | 4.96 | 126,841 |
| Capital Cities Chain | 0 | - | 4.83 | 82,921 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,168 |
| European Capitals by Map | 0 | - | 4.99 | 139,880 |
| African Capitals by Map | 0 | - | 4.99 | 134,119 |
| Coldest World Capitals | 0 | - | 4.95 | 133,649 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,606 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,273 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,605 |
| European Coastal Capitals | 0 | - | 4.95 | 90,781 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,659 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,746 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,477 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,908 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,747 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,093 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,563 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,586 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,002 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,401 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,565 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,579 |
| Boundary Waters | 0 | - | 4.92 | 88,564 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,243 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,258 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,695 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,593 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,563 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,903 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,861 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,544 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,542 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,588 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,103 |
| Official Cities in the UK | 0 | - | 4.89 | 284,431 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,162 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,579 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,193 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,945 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,206 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,161 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,658 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,561 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,601 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,250 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,973 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,386 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,508 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,688 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,193 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,500 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,320 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,006 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,725 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,645 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,217 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,193 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,206 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,277 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,240 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,535 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,580 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,507 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,221 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,886 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,223 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,392 |
| The Only Country ... | 0 | - | 4.91 | 81,370 |
| Countries by Independence Day | 0 | - | 4.61 | 52,774 |
| Former Countries by Capital | 0 | - | 4.45 | 127,583 |
| Former Countries | 0 | - | 4.75 | 133,906 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,032 |
| Battle to Country | 0 | - | 4.91 | 53,499 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,909 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,698 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,286 |
| Capitals of the Stans | 0 | - | 4.95 | 26,905 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,576,322 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,300 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,408 |
| Cities by Airports | 0 | - | 4.49 | 88,821 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,122 |
| Cities Chain #2 | 0 | - | 4.42 | 56,425 |
| Cities Chain #1 | 0 | - | 4.61 | 66,676 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,715 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,360 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,239 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,160 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,171 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,678 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,984 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,164 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,230 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,181 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,371 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,360 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,858 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,670 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,728 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,491 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,281 |
| Capitals Starting With N | 0 | - | 4.80 | 51,314 |
| Capitals Starting With V | 0 | - | 4.79 | 38,282 |
| Capitals Starting With C | 0 | - | 4.78 | 98,165 |
| Landlocked Countries | 0 | - | 4.99 | 421,880 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,233 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 576,596 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,358 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,063 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,943 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,702 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,009 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,402 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,410 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,952 |
| Cities with the Same Name | 0 | - | 3.94 | 36,694 |
