| Countries by Former Name | 0 | - | 4.99 | 126,027 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,806 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,352 |
| Ancient City to Country | 0 | - | 4.72 | 108,418 |
| City-States | 0 | - | 4.53 | 37,444 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,867 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,364 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,579 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,632 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,129 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,398 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,526 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,488 |
| Countries by Capital City | 0 | - | 5.00 | 69,714 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,240 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,403 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,009 |
| Moved Capital Cities | 0 | - | 4.96 | 74,762 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,880 |
| Independence from Whom | 0 | - | 4.99 | 213,525 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,749 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,954 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,371 |
| Countries by Founding Story | 0 | - | 4.95 | 77,944 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,617 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,178 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,297 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,804 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,786 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,613 |
| North American Sports Cities | 0 | - | 4.82 | 173,353 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,619 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,090 |
| Name a City - European Countries | 0 | - | 4.89 | 66,455 |
| Name a Valid World City | 0 | - | 4.85 | 72,189 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,000 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,064 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,012 |
| World Capitals by Map | 0 | - | 5.00 | 290,160 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,971 |
| Capitals Starting With H | 0 | - | 4.91 | 93,491 |
| Capitals Starting With K | 0 | - | 4.89 | 84,549 |
| Capitals Starting With L | 0 | - | 4.81 | 96,148 |
| Capitals Starting With M | 0 | - | 4.94 | 109,438 |
| Capitals Starting With P | 0 | - | 4.88 | 79,159 |
| Capitals Starting With R | 0 | - | 4.89 | 82,640 |
| Capitals Starting With S | 0 | - | 4.90 | 86,734 |
| Capitals Starting With T | 0 | - | 4.86 | 76,980 |
| Capitals Starting With W | 0 | - | 4.87 | 91,817 |
| Capitals Starting With A | 0 | - | 4.97 | 129,340 |
| Capitals Starting With B | 0 | - | 4.89 | 119,702 |
| Capitals Starting With D | 0 | - | 4.94 | 97,353 |
| Recently Independent Countries | 0 | - | 4.98 | 160,575 |
| Countries of the World in 1900 | 0 | - | 4.89 | 86,268 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 197,206 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 152,598 |
| Historical City to Country | 0 | - | 4.85 | 79,120 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,449 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,397 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,125 |
| Random Country to Capital | 0 | - | 4.98 | 930,821 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,818 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,168 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,245 |
| Cities in European History #1 | 0 | - | 4.63 | 134,941 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,023 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,715 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,062 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,641 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,317 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,589 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,950 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,912 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,844 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,738 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,116 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,918 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,430 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,866 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,731 |
| Europe Capital to Country | 0 | - | 4.99 | 252,710 |
| Asia Capital to Country | 0 | - | 4.96 | 127,744 |
| Capital Cities Chain | 0 | - | 4.84 | 83,574 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,378 |
| European Capitals by Map | 0 | - | 4.99 | 142,697 |
| African Capitals by Map | 0 | - | 4.99 | 142,693 |
| Coldest World Capitals | 0 | - | 4.95 | 134,360 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,172 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,185 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,444 |
| European Coastal Capitals | 0 | - | 4.95 | 91,544 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,294 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,496 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,838 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,270 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,291 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,778 |
| Countries Settled by Vikings | 0 | - | 4.92 | 122,215 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,990 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,829 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 100,842 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,889 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 58,016 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,622 |
| Boundary Waters | 0 | - | 4.92 | 88,870 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,485 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,896 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,633 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,101 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,120 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,414 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,070 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,605 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,660 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,400 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,852 |
| Official Cities in the UK | 0 | - | 4.89 | 287,060 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,215 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,613 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,561 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,514 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,310 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,634 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,300 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,606 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,966 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,298 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,261 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,864 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,823 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,399 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,760 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,388 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,838 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,531 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,917 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,592 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,275 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,847 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,684 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,703 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,588 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,104 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,055 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,912 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,743 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,224 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,347 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,853 |
| The Only Country ... | 0 | - | 4.91 | 82,118 |
| Countries by Independence Day | 0 | - | 4.62 | 52,887 |
| Former Countries by Capital | 0 | - | 4.45 | 127,915 |
| Former Countries | 0 | - | 4.77 | 134,345 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,642 |
| Battle to Country | 0 | - | 4.91 | 54,154 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 69,332 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,634 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 72,071 |
| Capitals of the Stans | 0 | - | 4.95 | 27,260 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,003,459 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,542 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,026 |
| Cities by Airports | 0 | - | 4.48 | 104,187 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,529 |
| Cities Chain #2 | 0 | - | 4.42 | 56,556 |
| Cities Chain #1 | 0 | - | 4.61 | 66,883 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,158 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,168 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,399 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,036 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,372 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,231 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,522 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,377 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,869 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,302 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,512 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,593 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,149 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,090 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,599 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,045 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,731 |
| Capitals Starting With N | 0 | - | 4.80 | 52,030 |
| Capitals Starting With V | 0 | - | 4.80 | 38,744 |
| Capitals Starting With C | 0 | - | 4.78 | 99,220 |
| Landlocked Countries | 0 | - | 4.99 | 427,665 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,172 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,093 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,830 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,755 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,121 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,018 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,559 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,230 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,248 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,995 |
| Cities with the Same Name | 0 | - | 3.94 | 36,740 |
