| Summer Olympics Host Cities | 0 | - | 4.98 | 216,599 |
| North American Sports Cities | 0 | - | 4.82 | 173,206 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,484 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,763 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,736 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,393 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,448 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,020 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,267 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,320 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,239 |
| Countries by Capital City | 0 | - | 5.00 | 69,501 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,922 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,277 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,876 |
| Moved Capital Cities | 0 | - | 4.96 | 74,690 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,103 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,898 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,747 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,506 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,989 |
| Cities by Former Name | 0 | - | 4.83 | 92,111 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,951 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,007 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,899 |
| World Capitals by Map | 0 | - | 5.00 | 289,660 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,863 |
| Capitals Starting With H | 0 | - | 4.91 | 93,382 |
| Capitals Starting With K | 0 | - | 4.88 | 84,457 |
| Capitals Starting With M | 0 | - | 4.94 | 109,269 |
| Capitals Starting With P | 0 | - | 4.88 | 79,061 |
| Capitals Starting With R | 0 | - | 4.88 | 82,550 |
| Capitals Starting With S | 0 | - | 4.90 | 86,626 |
| Capitals Starting With T | 0 | - | 4.86 | 76,882 |
| Capitals Starting With W | 0 | - | 4.87 | 91,766 |
| Capitals Starting With A | 0 | - | 4.97 | 129,181 |
| Capitals Starting With B | 0 | - | 4.89 | 119,573 |
| Capitals Starting With D | 0 | - | 4.94 | 97,263 |
| Olympic Host Countries | 0 | - | 4.98 | 202,071 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,385 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,310 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,654 |
| Random Country to Capital | 0 | - | 4.98 | 929,069 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,757 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,121 |
| American Cities by Stadium | 0 | - | 4.02 | 36,595 |
| City by Football Clubs | 0 | - | 4.38 | 138,440 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,232 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,885 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,801 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,563 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,982 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,162 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,735 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,624 |
| Former Capitals | 0 | - | 4.88 | 71,703 |
| Europe Capital to Country | 0 | - | 4.99 | 252,275 |
| Asia Capital to Country | 0 | - | 4.96 | 127,617 |
| Capital Cities Chain | 0 | - | 4.84 | 83,444 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,095 |
| European Capitals by Map | 0 | - | 4.99 | 142,277 |
| African Capitals by Map | 0 | - | 4.99 | 142,348 |
| Coldest World Capitals | 0 | - | 4.95 | 134,190 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,008 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,976 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,255 |
| European Coastal Capitals | 0 | - | 4.95 | 91,389 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,227 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,959 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,959 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,199 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,198 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,631 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,230 |
| Boundary Waters | 0 | - | 4.92 | 88,798 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,757 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,027 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,631 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,169 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,745 |
| Ancient City to Country | 0 | - | 4.72 | 108,374 |
| Official Cities in the UK | 0 | - | 4.89 | 286,538 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,205 |
| City-States | 0 | - | 4.53 | 37,420 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,605 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,518 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,838 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,405 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,284 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,319 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,596 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,877 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,287 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,094 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,209 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,416 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,291 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,636 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,200 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,728 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,434 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,878 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,382 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,149 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,721 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,584 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,618 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,499 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,996 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,955 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,811 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,613 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,992 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,314 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,747 |
| The Only Country ... | 0 | - | 4.91 | 81,950 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,725 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 29,455 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,918,948 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,487 |
| Cities by Airports | 0 | - | 4.48 | 104,093 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,446 |
| Cities Chain #2 | 0 | - | 4.42 | 56,531 |
| Cities Chain #1 | 0 | - | 4.61 | 66,839 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,865 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,011 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,372 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,505 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,105 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,178 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,275 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,208 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,722 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,284 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,493 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,330 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,903 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,721 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,942 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,596 |
| Capitals Starting With L | 0 | - | 4.80 | 95,968 |
| Capitals Starting With N | 0 | - | 4.80 | 51,943 |
| Capitals Starting With V | 0 | - | 4.80 | 38,680 |
| Capitals Starting With C | 0 | - | 4.78 | 99,075 |
| Landlocked Countries | 0 | - | 4.99 | 426,523 |
| Countries with the Fastest Marathoners | 0 | - | 4.51 | 96,011 |
| Countries with the Fastest 100 Meter Sprinters | 0 | - | 4.44 | 86,680 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,952 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,447 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,058 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,087 |
| Cities with the Same Name | 0 | - | 3.94 | 36,730 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,846 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,442 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,013 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,683 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,968 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,554 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,919 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,169 |
| Cities by Initials | 0 | - | 4.12 | 24,638 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,985 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,730 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,654 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,383 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,730 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,078 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,504 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,844 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,471 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,122 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,822 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,124 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,128 |
| Random European Capital to Country | 0 | - | 4.98 | 192,230 |
| Random European Country to Capital | 0 | - | 4.93 | 165,981 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,043 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,501 |
| Random African Capital to Country | 0 | - | 4.97 | 101,398 |
| Random African Country to Capital | 0 | - | 4.95 | 71,796 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,408 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,540 |
| Himalayan Countries | 0 | - | 4.93 | 140,473 |
| Andean Countries | 0 | - | 4.94 | 85,615 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,745 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,209 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,311 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,543 |
| Danube Countries | 0 | - | 4.97 | 72,467 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,678 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,899 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,260 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,734 |
| European Landlocked Countries | 0 | - | 4.99 | 147,670 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,395 |
| Countries with the Most Species | 0 | - | 4.99 | 103,604 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,507 |
