| Countries by Former Name | 0 | - | 4.99 | 125,140 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,351 |
| Former Capitals | 0 | - | 4.88 | 71,461 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,606 |
| Ancient City to Country | 0 | - | 4.70 | 108,038 |
| City-States | 0 | - | 4.53 | 37,265 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,681 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,114 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,146 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,257 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,409 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,503 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,235 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,014 |
| Countries by Capital City | 0 | - | 5.00 | 68,292 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,173 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,653 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,206 |
| Moved Capital Cities | 0 | - | 4.96 | 74,214 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,559 |
| Independence from Whom | 0 | - | 4.99 | 211,731 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,002 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,488 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,231 |
| Countries by Founding Story | 0 | - | 4.95 | 77,232 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,462 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,105 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,159 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,345 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,463 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,896 |
| North American Sports Cities | 0 | - | 4.83 | 172,399 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,320 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,399 |
| Name a City - European Countries | 0 | - | 4.90 | 65,395 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,399 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,661 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,217 |
| World Capitals by Map | 0 | - | 5.00 | 286,492 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,324 |
| Capitals Starting With H | 0 | - | 4.91 | 92,563 |
| Capitals Starting With K | 0 | - | 4.88 | 83,533 |
| Capitals Starting With L | 0 | - | 4.81 | 88,096 |
| Capitals Starting With M | 0 | - | 4.93 | 107,812 |
| Capitals Starting With P | 0 | - | 4.88 | 78,215 |
| Capitals Starting With R | 0 | - | 4.87 | 81,836 |
| Capitals Starting With S | 0 | - | 4.90 | 85,797 |
| Capitals Starting With T | 0 | - | 4.85 | 76,182 |
| Capitals Starting With W | 0 | - | 4.87 | 91,312 |
| Capitals Starting With A | 0 | - | 4.97 | 127,963 |
| Capitals Starting With B | 0 | - | 4.89 | 118,495 |
| Capitals Starting With D | 0 | - | 4.93 | 96,454 |
| Recently Independent Countries | 0 | - | 4.98 | 159,259 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,934 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,272 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,876 |
| Historical City to Country | 0 | - | 4.84 | 78,540 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,789 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,023 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,627 |
| Random Country to Capital | 0 | - | 4.98 | 920,699 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,243 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,395 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,868 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,143 |
| Cities in European History #1 | 0 | - | 4.63 | 134,016 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,215 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,639 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,299 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,201 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,761 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,260 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,547 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,261 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,560 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,697 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,986 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,067 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,116 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,899 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,804 |
| Europe Capital to Country | 0 | - | 4.99 | 250,342 |
| Asia Capital to Country | 0 | - | 4.96 | 126,672 |
| Capital Cities Chain | 0 | - | 4.84 | 82,750 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,891 |
| European Capitals by Map | 0 | - | 4.99 | 139,201 |
| African Capitals by Map | 0 | - | 4.99 | 133,808 |
| Coldest World Capitals | 0 | - | 4.95 | 133,568 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,417 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,088 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,433 |
| European Coastal Capitals | 0 | - | 4.95 | 90,611 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,590 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,047 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,080 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,834 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,576 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,905 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,623 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,508 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,253 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,767 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,289 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,443 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,570 |
| Boundary Waters | 0 | - | 4.92 | 88,472 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,171 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,100 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,468 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,470 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,420 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,748 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,805 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,528 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,507 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,709 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,973 |
| Official Cities in the UK | 0 | - | 4.89 | 283,784 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,150 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,573 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,137 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,788 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,190 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,033 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,508 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,541 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,533 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,242 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,918 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,489 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,838 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,490 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,048 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,283 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,163 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,844 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,673 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,423 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,894 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,010 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,084 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,185 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,163 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,382 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,447 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,410 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,071 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,607 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,187 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,298 |
| The Only Country ... | 0 | - | 4.91 | 81,066 |
| Countries by Independence Day | 0 | - | 4.61 | 52,742 |
| Former Countries by Capital | 0 | - | 4.45 | 127,484 |
| Former Countries | 0 | - | 4.75 | 133,808 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,892 |
| Battle to Country | 0 | - | 4.91 | 53,355 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,777 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,416 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,033 |
| Capitals of the Stans | 0 | - | 4.95 | 26,847 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,466,147 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,231 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,219 |
| Cities by Airports | 0 | - | 4.49 | 88,730 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,998 |
| Cities Chain #2 | 0 | - | 4.42 | 56,378 |
| Cities Chain #1 | 0 | - | 4.61 | 66,626 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,273 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,161 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,205 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,725 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,850 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,595 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,808 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,108 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,108 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,153 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,347 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,050 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,628 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,399 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,519 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,344 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,163 |
| Capitals Starting With N | 0 | - | 4.80 | 51,204 |
| Capitals Starting With V | 0 | - | 4.79 | 38,191 |
| Capitals Starting With C | 0 | - | 4.79 | 97,953 |
| Landlocked Countries | 0 | - | 4.99 | 420,606 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,011 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,509 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,241 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,875 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,637 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,612 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,841 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,993 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,191 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,944 |
| Cities with the Same Name | 0 | - | 3.94 | 36,684 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,807 |
