| Countries by Former Name | 0 | - | 4.99 | 125,112 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,953 |
| Former Capitals | 0 | - | 4.88 | 71,452 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,136 |
| Ancient City to Country | 0 | - | 4.70 | 108,024 |
| City-States | 0 | - | 4.53 | 37,261 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,670 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,110 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,108 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,232 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,392 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,476 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,206 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,966 |
| Countries by Capital City | 0 | - | 5.00 | 68,245 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,153 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,638 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,184 |
| Moved Capital Cities | 0 | - | 4.96 | 74,201 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,551 |
| Independence from Whom | 0 | - | 4.99 | 211,685 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,960 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,471 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,199 |
| Countries by Founding Story | 0 | - | 4.95 | 77,208 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,378 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,104 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,156 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,335 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,890 |
| North American Sports Cities | 0 | - | 4.83 | 172,366 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,315 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,382 |
| Name a City - European Countries | 0 | - | 4.90 | 65,366 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,390 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,651 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,186 |
| World Capitals by Map | 0 | - | 5.00 | 286,399 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,301 |
| Capitals Starting With H | 0 | - | 4.91 | 92,541 |
| Capitals Starting With K | 0 | - | 4.88 | 83,455 |
| Capitals Starting With L | 0 | - | 4.81 | 88,064 |
| Capitals Starting With M | 0 | - | 4.93 | 107,772 |
| Capitals Starting With P | 0 | - | 4.88 | 78,192 |
| Capitals Starting With R | 0 | - | 4.87 | 81,813 |
| Capitals Starting With S | 0 | - | 4.90 | 85,772 |
| Capitals Starting With T | 0 | - | 4.85 | 76,159 |
| Capitals Starting With W | 0 | - | 4.87 | 91,298 |
| Capitals Starting With A | 0 | - | 4.97 | 127,896 |
| Capitals Starting With B | 0 | - | 4.89 | 118,463 |
| Capitals Starting With D | 0 | - | 4.93 | 96,420 |
| Recently Independent Countries | 0 | - | 4.98 | 159,222 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,883 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,210 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,808 |
| Historical City to Country | 0 | - | 4.84 | 78,532 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,589 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,779 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,033 |
| Random Country to Capital | 0 | - | 4.98 | 920,365 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,239 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,386 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,864 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| Cities in European History #1 | 0 | - | 4.63 | 133,982 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,185 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,607 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,268 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,190 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,738 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,248 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,534 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,238 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,558 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,665 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,957 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,014 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,082 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,870 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,791 |
| Europe Capital to Country | 0 | - | 4.99 | 250,082 |
| Asia Capital to Country | 0 | - | 4.96 | 126,653 |
| Capital Cities Chain | 0 | - | 4.84 | 82,726 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,860 |
| European Capitals by Map | 0 | - | 4.99 | 139,128 |
| African Capitals by Map | 0 | - | 4.99 | 133,772 |
| Coldest World Capitals | 0 | - | 4.95 | 133,555 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,379 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,058 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,408 |
| European Coastal Capitals | 0 | - | 4.95 | 90,582 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,584 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,933 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,984 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,823 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,557 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,885 |
| Countries Settled by Vikings | 0 | - | 4.93 | 121,438 |
| Warsaw Pact Countries | 0 | - | 4.83 | 84,504 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,188 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,737 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,264 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,424 |
| Home Cities in History #1 | 0 | - | 4.04 | 16,569 |
| Boundary Waters | 0 | - | 4.92 | 88,460 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,160 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,076 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,432 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,458 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,404 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,736 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,801 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,525 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,504 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,702 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,959 |
| Official Cities in the UK | 0 | - | 4.89 | 283,682 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,149 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,573 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,131 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,769 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,186 |
| Divided World City Name Puzzle #2 | 0 | - | 4.84 | 37,016 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,484 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,540 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,521 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,238 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,912 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,356 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,749 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,464 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,027 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,255 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,134 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,826 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,662 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,395 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,833 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 66,982 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,073 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,168 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,154 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,355 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,428 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,390 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,060 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,586 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,184 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,279 |
| The Only Country ... | 0 | - | 4.91 | 81,027 |
| Countries by Independence Day | 0 | - | 4.61 | 52,736 |
| Former Countries by Capital | 0 | - | 4.45 | 127,474 |
| Former Countries | 0 | - | 4.75 | 133,786 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,858 |
| Battle to Country | 0 | - | 4.91 | 53,332 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,755 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 150,222 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,994 |
| Capitals of the Stans | 0 | - | 4.95 | 26,838 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,449,332 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,220 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,192 |
| Cities by Airports | 0 | - | 4.49 | 88,718 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,986 |
| Cities Chain #2 | 0 | - | 4.42 | 56,368 |
| Cities Chain #1 | 0 | - | 4.61 | 66,625 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,172 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,138 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,200 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,623 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,818 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,585 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,785 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,097 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,090 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,148 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,345 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,010 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,588 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,358 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,497 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,325 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,147 |
| Capitals Starting With N | 0 | - | 4.80 | 51,183 |
| Capitals Starting With V | 0 | - | 4.79 | 38,173 |
| Capitals Starting With C | 0 | - | 4.79 | 97,906 |
| Landlocked Countries | 0 | - | 4.99 | 420,380 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,976 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,929 |
| Countries of Europe in 1000 with a Map | 0 | - | 4.78 | 43,225 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,856 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,598 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,595 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,821 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,940 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,168 |
| Home Cities in History Quiz #2 | 0 | - | 3.83 | 16,943 |
| Cities with the Same Name | 0 | - | 3.94 | 36,683 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,807 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,396 |
