| Countries by Former Name | 0 | - | 4.99 | 124,900 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,660 |
| Former Capitals | 0 | - | 4.88 | 71,376 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,534 |
| Ancient City to Country | 0 | - | 4.70 | 107,925 |
| City-States | 0 | - | 4.53 | 37,226 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,619 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,081 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,833 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,931 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,229 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,257 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,946 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,598 |
| Countries by Capital City | 0 | - | 5.00 | 67,897 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,959 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,455 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,946 |
| Moved Capital Cities | 0 | - | 4.96 | 74,042 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,396 |
| Independence from Whom | 0 | - | 4.99 | 211,261 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,664 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,363 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,944 |
| Countries by Founding Story | 0 | - | 4.95 | 77,045 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,599 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,089 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,118 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,282 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,710 |
| North American Sports Cities | 0 | - | 4.83 | 171,744 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,236 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,244 |
| Name a City - European Countries | 0 | - | 4.90 | 65,183 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,316 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,568 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,869 |
| World Capitals by Map | 0 | - | 5.00 | 285,577 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,145 |
| Capitals Starting With H | 0 | - | 4.90 | 92,075 |
| Capitals Starting With K | 0 | - | 4.85 | 79,973 |
| Capitals Starting With L | 0 | - | 4.81 | 87,542 |
| Capitals Starting With M | 0 | - | 4.93 | 107,119 |
| Capitals Starting With P | 0 | - | 4.88 | 77,783 |
| Capitals Starting With R | 0 | - | 4.87 | 81,467 |
| Capitals Starting With S | 0 | - | 4.89 | 85,393 |
| Capitals Starting With T | 0 | - | 4.84 | 75,829 |
| Capitals Starting With W | 0 | - | 4.87 | 91,046 |
| Capitals Starting With A | 0 | - | 4.97 | 127,378 |
| Capitals Starting With B | 0 | - | 4.89 | 118,004 |
| Capitals Starting With D | 0 | - | 4.93 | 96,027 |
| Recently Independent Countries | 0 | - | 4.98 | 158,990 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,545 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,706 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,361 |
| Historical City to Country | 0 | - | 4.84 | 78,425 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,777 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,944 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,896 |
| Random Country to Capital | 0 | - | 4.98 | 918,204 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,276 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,797 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,116 |
| Cities in European History #1 | 0 | - | 4.63 | 133,790 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,947 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,363 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,087 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,065 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,399 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,151 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,427 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,067 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,509 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,392 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,774 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,560 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,807 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,684 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,687 |
| Europe Capital to Country | 0 | - | 4.99 | 249,544 |
| Asia Capital to Country | 0 | - | 4.96 | 126,465 |
| Capital Cities Chain | 0 | - | 4.83 | 82,476 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,564 |
| European Capitals by Map | 0 | - | 4.99 | 138,532 |
| African Capitals by Map | 0 | - | 4.99 | 133,345 |
| Coldest World Capitals | 0 | - | 4.95 | 133,452 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,067 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,868 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,225 |
| European Coastal Capitals | 0 | - | 4.95 | 90,371 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,496 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,128 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,535 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,738 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,379 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,668 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,263 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,440 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,793 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,467 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,097 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,284 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,553 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,071 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,891 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,147 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,321 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,260 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,565 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,743 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,505 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,453 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,656 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,828 |
| Official Cities in the UK | 0 | - | 4.89 | 283,037 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,135 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,569 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,069 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,614 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,160 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,895 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,346 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,525 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,446 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,212 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,849 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,390 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,054 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,234 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,882 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,971 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,195 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,685 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,597 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,174 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,438 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,703 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,940 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,070 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,060 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,081 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,300 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,280 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,921 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,281 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,151 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,162 |
| The Only Country ... | 0 | - | 4.91 | 80,755 |
| Countries by Independence Day | 0 | - | 4.61 | 52,708 |
| Former Countries by Capital | 0 | - | 4.45 | 127,358 |
| Former Countries | 0 | - | 4.75 | 133,139 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,653 |
| Battle to Country | 0 | - | 4.91 | 53,139 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,614 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,876 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,696 |
| Capitals of the Stans | 0 | - | 4.95 | 26,737 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,320,522 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,158 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,930 |
| Cities by Airports | 0 | - | 4.49 | 88,635 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,790 |
| Cities Chain #2 | 0 | - | 4.42 | 56,310 |
| Cities Chain #1 | 0 | - | 4.61 | 66,566 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 70,887 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,925 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,169 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,005 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,481 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,495 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,530 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,037 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,893 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,115 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,318 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,671 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,313 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,050 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,263 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,147 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Capitals Starting With N | 0 | - | 4.80 | 50,840 |
| Capitals Starting With V | 0 | - | 4.79 | 37,957 |
| Capitals Starting With C | 0 | - | 4.78 | 97,411 |
| Landlocked Countries | 0 | - | 4.99 | 418,711 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,710 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,548 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,086 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,607 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,223 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,489 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,601 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,642 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,871 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,933 |
| Cities with the Same Name | 0 | - | 3.94 | 36,667 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,799 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,389 |
