| World Capitals Quiz | 0 | - | 5.00 | 5,083,921 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,822 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,544 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,546 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,553 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,688 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,495 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,320 |
| Countries by Capital City | 0 | - | 5.00 | 68,642 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,377 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,819 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,415 |
| Moved Capital Cities | 0 | - | 4.96 | 74,351 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,140 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,543 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,072 |
| North American Sports Cities | 0 | - | 4.83 | 172,650 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,398 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,550 |
| Cities by Former Name | 0 | - | 4.83 | 91,723 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,485 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,757 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,395 |
| World Capitals by Map | 0 | - | 5.00 | 287,458 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,473 |
| Capitals Starting With H | 0 | - | 4.91 | 92,724 |
| Capitals Starting With K | 0 | - | 4.88 | 83,770 |
| Capitals Starting With L | 0 | - | 4.81 | 88,252 |
| Capitals Starting With M | 0 | - | 4.93 | 108,071 |
| Capitals Starting With P | 0 | - | 4.88 | 78,348 |
| Capitals Starting With R | 0 | - | 4.87 | 81,978 |
| Capitals Starting With S | 0 | - | 4.90 | 85,954 |
| Capitals Starting With T | 0 | - | 4.84 | 76,307 |
| Capitals Starting With W | 0 | - | 4.86 | 91,397 |
| Capitals Starting With A | 0 | - | 4.97 | 128,297 |
| Capitals Starting With B | 0 | - | 4.89 | 118,716 |
| Capitals Starting With D | 0 | - | 4.93 | 96,628 |
| Countries by National Anthem | 0 | - | 4.93 | 71,292 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,723 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,749 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,683 |
| Random Country to Capital | 0 | - | 4.98 | 922,778 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,262 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,490 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,951 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,172 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,557 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,415 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,624 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,956 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,192 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,500 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,389 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,095 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,941 |
| Former Capitals | 0 | - | 4.88 | 71,520 |
| Europe Capital to Country | 0 | - | 4.99 | 250,874 |
| Asia Capital to Country | 0 | - | 4.96 | 126,872 |
| Capital Cities Chain | 0 | - | 4.83 | 82,953 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,203 |
| European Capitals by Map | 0 | - | 4.99 | 139,968 |
| African Capitals by Map | 0 | - | 4.99 | 134,164 |
| Coldest World Capitals | 0 | - | 4.95 | 133,654 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,633 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,292 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,633 |
| European Coastal Capitals | 0 | - | 4.95 | 90,815 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,671 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,854 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,545 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,925 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,771 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,116 |
| Cities of Origin - American Popular Music | 0 | - | 4.04 | 9,464 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,259 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,281 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,876 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,547 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,547 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 47,680 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,237 |
| Ancient City to Country | 0 | - | 4.70 | 108,145 |
| Official Cities in the UK | 0 | - | 4.89 | 284,506 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,163 |
| City-States | 0 | - | 4.53 | 37,308 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,584 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,289 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,718 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,968 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,151 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,561 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,611 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,251 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,977 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,552 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,582 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,711 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,211 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,524 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,345 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,034 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,730 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,677 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,284 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,217 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,223 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,297 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,251 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,550 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,595 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,519 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,241 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,909 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,232 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,409 |
| The Only Country ... | 0 | - | 4.91 | 81,406 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,593,230 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,306 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,434 |
| Cities by Airports | 0 | - | 4.49 | 98,218 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,139 |
| Cities Chain #2 | 0 | - | 4.42 | 56,430 |
| Cities Chain #1 | 0 | - | 4.61 | 66,683 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,765 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,385 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,248 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,275 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,203 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,688 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,018 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,246 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,188 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,395 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,405 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,882 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,724 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,504 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,295 |
| Capitals Starting With N | 0 | - | 4.80 | 51,327 |
| Capitals Starting With V | 0 | - | 4.79 | 38,290 |
| Capitals Starting With C | 0 | - | 4.78 | 98,200 |
| Landlocked Countries | 0 | - | 4.99 | 422,106 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,715 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,033 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,431 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,440 |
| Cities with the Same Name | 0 | - | 3.94 | 36,695 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,816 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,410 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,991 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,638 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,701 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,502 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,868 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,129 |
| Cities by Initials | 0 | - | 4.12 | 24,588 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,390 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,519 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,267 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,641 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,867 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,778 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,591 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,439 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,796 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,750 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,655 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,483 |
| Random European Capital to Country | 0 | - | 4.98 | 191,402 |
| Random European Country to Capital | 0 | - | 4.93 | 165,389 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,600 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,988 |
| Random African Capital to Country | 0 | - | 4.97 | 100,911 |
| Random African Country to Capital | 0 | - | 4.94 | 71,373 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,543 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,531 |
| Himalayan Countries | 0 | - | 4.94 | 138,800 |
| Andean Countries | 0 | - | 4.93 | 84,649 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,840 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,886 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,467 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,831 |
| Danube Countries | 0 | - | 4.97 | 72,028 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,036 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,438 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,341 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,820 |
| European Landlocked Countries | 0 | - | 4.99 | 147,156 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,672 |
| Countries with the Most Species | 0 | - | 4.99 | 103,252 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,787 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,600 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,729 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,552 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,243 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,674 |
| Countries in the Alps | 0 | - | 4.87 | 118,227 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,190 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,058 |
