| World Capitals Quiz | 0 | - | 5.00 | 5,096,330 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,816 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,406 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,004 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,926 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,812 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,994 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,937 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,816 |
| Countries by Capital City | 0 | - | 5.00 | 69,096 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,669 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,063 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,637 |
| Moved Capital Cities | 0 | - | 4.96 | 74,527 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,291 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,491 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,145 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,653 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,288 |
| North American Sports Cities | 0 | - | 4.83 | 172,957 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,500 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,796 |
| Name a City - European Countries | 0 | - | 4.90 | 65,957 |
| Cities by Former Name | 0 | - | 4.83 | 91,914 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,138 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,211 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,603 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,883 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,631 |
| World Capitals by Map | 0 | - | 5.00 | 288,642 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,682 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,434 |
| Random Country to Capital | 0 | - | 4.98 | 925,603 |
| Capitals Starting With H | 0 | - | 4.91 | 92,934 |
| Capitals Starting With K | 0 | - | 4.88 | 83,987 |
| Capitals Starting With L | 0 | - | 4.81 | 88,897 |
| Capitals Starting With M | 0 | - | 4.93 | 108,441 |
| Capitals Starting With P | 0 | - | 4.88 | 78,560 |
| Capitals Starting With R | 0 | - | 4.88 | 82,150 |
| Capitals Starting With S | 0 | - | 4.90 | 86,151 |
| Capitals Starting With T | 0 | - | 4.85 | 76,478 |
| Capitals Starting With W | 0 | - | 4.87 | 91,497 |
| Capitals Starting With A | 0 | - | 4.97 | 128,583 |
| Capitals Starting With B | 0 | - | 4.89 | 118,971 |
| Capitals Starting With D | 0 | - | 4.93 | 96,833 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,154 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,280 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,229 |
| Which City in Europe? | 0 | - | 4.83 | 107,765 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,118 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,627 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,036 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,704 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,257 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,721 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,071 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,808 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,497 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,429 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,638 |
| Former Capitals | 0 | - | 4.88 | 71,614 |
| Europe Capital to Country | 0 | - | 4.99 | 251,605 |
| Asia Capital to Country | 0 | - | 4.96 | 127,214 |
| Capital Cities Chain | 0 | - | 4.84 | 83,194 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,664 |
| European Capitals by Map | 0 | - | 4.99 | 141,461 |
| African Capitals by Map | 0 | - | 4.99 | 141,510 |
| Coldest World Capitals | 0 | - | 4.95 | 134,066 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,626 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,654 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,994 |
| European Coastal Capitals | 0 | - | 4.95 | 91,103 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,079 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,772 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,330 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,060 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,975 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,377 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,610 |
| Countries by Emojis | 0 | - | 4.99 | 241,281 |
| Random European City to Country | 0 | - | 4.69 | 118,261 |
| Random Asian City to Country | 0 | - | 4.56 | 44,587 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,617 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,638 |
| Which City in Canada? | 0 | - | 4.83 | 57,273 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,111 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,875 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,551 |
| Ancient City to Country | 0 | - | 4.70 | 108,254 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,648 |
| Official Cities in the UK | 0 | - | 4.89 | 285,495 |
| City-States | 0 | - | 4.53 | 37,366 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,443 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,771 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,159 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,235 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,190 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,579 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,699 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,042 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,926 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,516 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,996 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,413 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,861 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,529 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,257 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,804 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,097 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,431 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,775 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,476 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,398 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,472 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,377 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,779 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,797 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,648 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,451 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,323 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,914 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,282 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,586 |
| The Only Country ... | 0 | - | 4.91 | 81,670 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,881 |
| Boundary Waters | 0 | - | 4.92 | 88,690 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,345 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,506 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,810 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,238 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,898 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,968 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,567 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,592 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,560 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,185 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,596 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,717 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,437 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,620 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,335 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,884 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,395 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,127 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,720 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,451 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,443 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,056 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,705 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,567 |
| Name a Valid African Country | 0 | - | 4.98 | 154,789 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,599 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,433,967 |
| Resort Towns by Country | 0 | - | 4.30 | 40,068 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,393 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,678 |
| Cities by Airports | 0 | - | 4.47 | 103,794 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,017 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,289 |
| Cities Chain #2 | 0 | - | 4.42 | 56,480 |
| Cities Chain #1 | 0 | - | 4.61 | 66,764 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,337 |
| Random U.S. City to State | 0 | - | 4.45 | 76,763 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,315 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,051 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,233 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,236 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,457 |
| Capitals Starting With N | 0 | - | 4.80 | 51,509 |
| Capitals Starting With V | 0 | - | 4.79 | 38,434 |
| Capitals Starting With C | 0 | - | 4.78 | 98,489 |
| European Cities by Clue | 0 | - | 4.70 | 89,137 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,750,252 |
| Landlocked Countries | 0 | - | 4.99 | 424,071 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,342 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,741 |
| Drinks by Country | 0 | - | 4.30 | 59,474 |
| Beers by Country | 0 | - | 4.45 | 97,566 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,654 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,846 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,528 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,891 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,330 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,146 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,946 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,446 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,351 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,319 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,691 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,982 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,188 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,728 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,460 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,953 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,683 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,789 |
