| Countries by Former Name | 0 | - | 4.99 | 125,809 |
| World Capitals Quiz | 0 | - | 5.00 | 5,105,336 |
| Former Capitals | 0 | - | 4.88 | 71,675 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,284 |
| Ancient City to Country | 0 | - | 4.70 | 108,337 |
| City-States | 0 | - | 4.53 | 37,399 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,810 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,224 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,285 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,338 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,967 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,194 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,210 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,126 |
| Countries by Capital City | 0 | - | 5.00 | 69,371 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,843 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,218 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,802 |
| Moved Capital Cities | 0 | - | 4.96 | 74,639 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,804 |
| Independence from Whom | 0 | - | 4.99 | 213,036 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,420 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,845 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,106 |
| Countries by Founding Story | 0 | - | 4.95 | 77,789 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,811 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,164 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,262 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,492 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,731 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,428 |
| North American Sports Cities | 0 | - | 4.82 | 173,142 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,556 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,941 |
| Name a City - European Countries | 0 | - | 4.90 | 66,160 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,680 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,978 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,818 |
| World Capitals by Map | 0 | - | 5.00 | 289,305 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,818 |
| Capitals Starting With H | 0 | - | 4.91 | 93,330 |
| Capitals Starting With K | 0 | - | 4.89 | 84,395 |
| Capitals Starting With M | 0 | - | 4.94 | 109,177 |
| Capitals Starting With P | 0 | - | 4.88 | 79,005 |
| Capitals Starting With R | 0 | - | 4.88 | 82,505 |
| Capitals Starting With S | 0 | - | 4.90 | 86,568 |
| Capitals Starting With T | 0 | - | 4.86 | 76,837 |
| Capitals Starting With W | 0 | - | 4.87 | 91,732 |
| Capitals Starting With A | 0 | - | 4.97 | 129,102 |
| Capitals Starting With B | 0 | - | 4.89 | 119,498 |
| Capitals Starting With D | 0 | - | 4.94 | 97,199 |
| Recently Independent Countries | 0 | - | 4.98 | 160,332 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,944 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 196,731 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,125 |
| Historical City to Country | 0 | - | 4.85 | 79,017 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,655 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,745 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,350 |
| Random Country to Capital | 0 | - | 4.98 | 927,914 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,319 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,724 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,108 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,227 |
| Cities in European History #1 | 0 | - | 4.63 | 134,602 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,833 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,391 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,880 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,515 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,192 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,512 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,853 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,758 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,775 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,450 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,905 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,454 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,051 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,668 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,574 |
| Europe Capital to Country | 0 | - | 4.99 | 252,045 |
| Asia Capital to Country | 0 | - | 4.96 | 127,380 |
| Capital Cities Chain | 0 | - | 4.84 | 83,357 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,956 |
| European Capitals by Map | 0 | - | 4.99 | 142,053 |
| African Capitals by Map | 0 | - | 4.99 | 142,118 |
| Coldest World Capitals | 0 | - | 4.95 | 134,154 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,894 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,858 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,172 |
| European Coastal Capitals | 0 | - | 4.95 | 91,296 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,187 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,644 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,753 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,159 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,121 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,558 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,077 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,690 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,373 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,556 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,737 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,870 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,606 |
| Boundary Waters | 0 | - | 4.92 | 88,759 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,409 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,692 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,337 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,955 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,958 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,236 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,007 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,584 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,613 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,041 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,677 |
| Official Cities in the UK | 0 | - | 4.89 | 286,194 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,198 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,604 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,502 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,325 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,279 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,471 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,062 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,591 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,836 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,282 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,076 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,940 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,159 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,227 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,575 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,099 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,671 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,388 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,855 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,291 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,080 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,656 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,522 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,577 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,460 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,937 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,914 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,762 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,565 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 227,894 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,304 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,700 |
| The Only Country ... | 0 | - | 4.91 | 81,869 |
| Countries by Independence Day | 0 | - | 4.62 | 52,859 |
| Former Countries by Capital | 0 | - | 4.45 | 127,806 |
| Former Countries | 0 | - | 4.77 | 134,216 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,475 |
| Battle to Country | 0 | - | 4.91 | 53,945 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,179 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,352 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 71,822 |
| Capitals of the Stans | 0 | - | 4.95 | 27,137 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,870,387 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,460 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,840 |
| Cities by Airports | 0 | - | 4.47 | 104,015 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,407 |
| Cities Chain #2 | 0 | - | 4.42 | 56,520 |
| Cities Chain #1 | 0 | - | 4.61 | 66,821 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,715 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,913 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,350 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,154 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,952 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,146 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,869 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,312 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,658 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,271 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,486 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,215 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,739 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,601 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,346 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,873 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,553 |
| Capitals Starting With L | 0 | - | 4.80 | 95,733 |
| Capitals Starting With N | 0 | - | 4.80 | 51,890 |
| Capitals Starting With V | 0 | - | 4.80 | 38,648 |
| Capitals Starting With C | 0 | - | 4.78 | 98,981 |
| Landlocked Countries | 0 | - | 4.99 | 425,703 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,836 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,051 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,681 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,511 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,731 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,920 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,389 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,967 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,993 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,984 |
| Cities with the Same Name | 0 | - | 3.94 | 36,729 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,840 |
