| Cities by Former Name | 0 | - | 4.83 | 91,509 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,553 |
| Former Capitals | 0 | - | 4.88 | 71,418 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,666 |
| Ancient City to Country | 0 | - | 4.70 | 107,986 |
| City-States | 0 | - | 4.53 | 37,247 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,651 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,103 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,998 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,115 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,317 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,395 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,110 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,844 |
| Countries by Capital City | 0 | - | 5.00 | 68,106 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,088 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,571 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,078 |
| Moved Capital Cities | 0 | - | 4.96 | 74,126 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,501 |
| Independence from Whom | 0 | - | 4.99 | 211,534 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,848 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,432 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,087 |
| Countries by Founding Story | 0 | - | 4.95 | 77,136 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,012 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,095 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,137 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,315 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,826 |
| North American Sports Cities | 0 | - | 4.83 | 172,266 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,290 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,319 |
| Name a City - European Countries | 0 | - | 4.90 | 65,301 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,359 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,622 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,065 |
| World Capitals by Map | 0 | - | 5.00 | 286,028 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,233 |
| Capitals Starting With H | 0 | - | 4.91 | 92,454 |
| Capitals Starting With K | 0 | - | 4.88 | 83,209 |
| Capitals Starting With L | 0 | - | 4.81 | 87,971 |
| Capitals Starting With M | 0 | - | 4.93 | 107,634 |
| Capitals Starting With P | 0 | - | 4.88 | 78,102 |
| Capitals Starting With R | 0 | - | 4.87 | 81,738 |
| Capitals Starting With S | 0 | - | 4.90 | 85,679 |
| Capitals Starting With T | 0 | - | 4.85 | 76,087 |
| Capitals Starting With W | 0 | - | 4.87 | 91,235 |
| Capitals Starting With A | 0 | - | 4.97 | 127,762 |
| Capitals Starting With B | 0 | - | 4.89 | 118,353 |
| Capitals Starting With D | 0 | - | 4.93 | 96,325 |
| Recently Independent Countries | 0 | - | 4.98 | 159,134 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,754 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,007 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,627 |
| Countries by Former Name | 0 | - | 4.99 | 125,019 |
| Historical City to Country | 0 | - | 4.84 | 78,484 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,831 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,026 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,707 |
| Random Country to Capital | 0 | - | 4.98 | 919,537 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,233 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,350 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,840 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,132 |
| Cities in European History #1 | 0 | - | 4.62 | 133,910 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,092 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,502 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,184 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,141 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,644 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,216 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,496 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,167 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,537 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,559 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,888 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,847 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,982 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,808 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,746 |
| Europe Capital to Country | 0 | - | 4.99 | 249,853 |
| Asia Capital to Country | 0 | - | 4.96 | 126,569 |
| Capital Cities Chain | 0 | - | 4.83 | 82,647 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,750 |
| European Capitals by Map | 0 | - | 4.99 | 138,907 |
| African Capitals by Map | 0 | - | 4.99 | 133,613 |
| Coldest World Capitals | 0 | - | 4.95 | 133,522 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,223 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,990 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,332 |
| European Coastal Capitals | 0 | - | 4.95 | 90,501 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,546 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,601 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,785 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,790 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,479 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,801 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,347 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,485 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,998 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,629 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,192 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,381 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,564 |
| Boundary Waters | 0 | - | 4.92 | 88,427 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,125 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,003 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,330 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,409 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,339 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,662 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,783 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,522 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,484 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,679 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,907 |
| Official Cities in the UK | 0 | - | 4.89 | 283,400 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,142 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,113 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,707 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,180 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,959 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,435 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,533 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,496 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,227 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,882 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,985 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,444 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,389 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,965 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,144 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,954 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,638 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,303 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,685 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,885 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,023 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,138 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,123 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,247 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,372 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,343 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,021 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,463 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,167 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,236 |
| The Only Country ... | 0 | - | 4.91 | 80,928 |
| Countries by Independence Day | 0 | - | 4.61 | 52,725 |
| Former Countries by Capital | 0 | - | 4.45 | 127,419 |
| Former Countries | 0 | - | 4.75 | 133,731 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,772 |
| Battle to Country | 0 | - | 4.91 | 53,245 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,709 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,079 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,869 |
| Capitals of the Stans | 0 | - | 4.95 | 26,807 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,394,931 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,195 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,077 |
| Cities by Airports | 0 | - | 4.49 | 88,689 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,946 |
| Cities Chain #2 | 0 | - | 4.42 | 56,345 |
| Cities Chain #1 | 0 | - | 4.61 | 66,603 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,861 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,073 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,186 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,354 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,673 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,544 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,690 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,076 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,022 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,130 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,335 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,901 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,474 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,240 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,418 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,267 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,114 |
| Capitals Starting With N | 0 | - | 4.80 | 51,118 |
| Capitals Starting With V | 0 | - | 4.79 | 38,123 |
| Capitals Starting With C | 0 | - | 4.79 | 97,776 |
| Landlocked Countries | 0 | - | 4.99 | 419,704 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,875 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,133 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,171 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,761 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,454 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,545 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,730 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,819 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,041 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,938 |
| Cities with the Same Name | 0 | - | 3.94 | 36,676 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,802 |
