| Countries by Former Name | 0 | - | 4.99 | 125,841 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,681 |
| Former Capitals | 0 | - | 4.88 | 71,681 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,752 |
| Ancient City to Country | 0 | - | 4.70 | 108,351 |
| City-States | 0 | - | 4.53 | 37,403 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,815 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,229 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,319 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,369 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,980 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,216 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,239 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,159 |
| Countries by Capital City | 0 | - | 5.00 | 69,409 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,862 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,240 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,820 |
| Moved Capital Cities | 0 | - | 4.96 | 74,657 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,813 |
| Independence from Whom | 0 | - | 4.99 | 213,092 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,459 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,859 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,126 |
| Countries by Founding Story | 0 | - | 4.95 | 77,807 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,912 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,165 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,263 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,498 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,734 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,455 |
| North American Sports Cities | 0 | - | 4.82 | 173,173 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,560 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,958 |
| Name a City - European Countries | 0 | - | 4.90 | 66,187 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,684 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,987 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,851 |
| World Capitals by Map | 0 | - | 5.00 | 289,421 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,835 |
| Capitals Starting With H | 0 | - | 4.91 | 93,346 |
| Capitals Starting With K | 0 | - | 4.89 | 84,411 |
| Capitals Starting With M | 0 | - | 4.94 | 109,204 |
| Capitals Starting With P | 0 | - | 4.88 | 79,021 |
| Capitals Starting With R | 0 | - | 4.88 | 82,522 |
| Capitals Starting With S | 0 | - | 4.90 | 86,586 |
| Capitals Starting With T | 0 | - | 4.86 | 76,851 |
| Capitals Starting With W | 0 | - | 4.87 | 91,741 |
| Capitals Starting With A | 0 | - | 4.97 | 129,128 |
| Capitals Starting With B | 0 | - | 4.89 | 119,523 |
| Capitals Starting With D | 0 | - | 4.94 | 97,220 |
| Recently Independent Countries | 0 | - | 4.98 | 160,364 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,977 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,792 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,179 |
| Historical City to Country | 0 | - | 4.85 | 79,034 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,966 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,937 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,711 |
| Random Country to Capital | 0 | - | 4.98 | 928,272 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,322 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,733 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,112 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,228 |
| Cities in European History #1 | 0 | - | 4.63 | 134,623 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,848 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,418 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,901 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,535 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,205 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,519 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,863 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,777 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,784 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,491 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,929 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,508 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,092 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,690 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,585 |
| Europe Capital to Country | 0 | - | 4.99 | 252,122 |
| Asia Capital to Country | 0 | - | 4.96 | 127,403 |
| Capital Cities Chain | 0 | - | 4.84 | 83,382 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,998 |
| European Capitals by Map | 0 | - | 4.99 | 142,127 |
| African Capitals by Map | 0 | - | 4.99 | 142,225 |
| Coldest World Capitals | 0 | - | 4.95 | 134,167 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,922 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,883 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,204 |
| European Coastal Capitals | 0 | - | 4.95 | 91,324 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,772 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,818 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,171 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,154 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,581 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,092 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,694 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,461 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,590 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,755 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,892 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,606 |
| Boundary Waters | 0 | - | 4.92 | 88,770 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,420 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,712 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,357 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,974 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,980 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,253 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,016 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,585 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,618 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,089 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,704 |
| Official Cities in the UK | 0 | - | 4.89 | 286,304 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,201 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,604 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,506 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,351 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,281 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,499 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,097 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,591 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,850 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,282 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,080 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,021 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,263 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,250 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,594 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,130 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,685 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,404 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,864 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,316 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,106 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,683 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,541 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,591 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,472 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,965 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,935 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,778 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,581 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 227,925 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,309 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,719 |
| The Only Country ... | 0 | - | 4.91 | 81,899 |
| Countries by Independence Day | 0 | - | 4.62 | 52,860 |
| Former Countries by Capital | 0 | - | 4.45 | 127,818 |
| Former Countries | 0 | - | 4.77 | 134,233 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,499 |
| Battle to Country | 0 | - | 4.91 | 53,966 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,203 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,390 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,859 |
| Capitals of the Stans | 0 | - | 4.95 | 27,148 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,887,081 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,474 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,861 |
| Cities by Airports | 0 | - | 4.47 | 104,045 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,421 |
| Cities Chain #2 | 0 | - | 4.42 | 56,526 |
| Cities Chain #1 | 0 | - | 4.61 | 66,828 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,770 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,942 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,355 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,249 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,018 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,155 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,974 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,318 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,682 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,275 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,486 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,261 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,816 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,633 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,387 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,895 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,571 |
| Capitals Starting With L | 0 | - | 4.80 | 95,808 |
| Capitals Starting With N | 0 | - | 4.80 | 51,908 |
| Capitals Starting With V | 0 | - | 4.80 | 38,657 |
| Capitals Starting With C | 0 | - | 4.78 | 99,015 |
| Landlocked Countries | 0 | - | 4.99 | 425,981 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,921 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,752 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,703 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,546 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,788 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,932 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,409 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,000 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,017 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,985 |
| Cities with the Same Name | 0 | - | 3.94 | 36,729 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,841 |
