| World Capitals Quiz | 0 | - | 5.00 | 5,098,828 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,716 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,455 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,069 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,107 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,853 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,045 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,019 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,917 |
| Countries by Capital City | 0 | - | 5.00 | 69,179 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,714 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,093 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,684 |
| Moved Capital Cities | 0 | - | 4.96 | 74,565 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,374 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,561 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,299 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,685 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,328 |
| North American Sports Cities | 0 | - | 4.83 | 173,000 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,514 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,832 |
| Name a City - European Countries | 0 | - | 4.90 | 66,006 |
| Cities by Former Name | 0 | - | 4.83 | 91,945 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,550 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,675 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,630 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,914 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,691 |
| World Capitals by Map | 0 | - | 5.00 | 288,849 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,735 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,153 |
| Random Country to Capital | 0 | - | 4.98 | 926,224 |
| Capitals Starting With H | 0 | - | 4.91 | 93,151 |
| Capitals Starting With K | 0 | - | 4.88 | 84,227 |
| Capitals Starting With L | 0 | - | 4.79 | 94,113 |
| Capitals Starting With M | 0 | - | 4.93 | 108,858 |
| Capitals Starting With P | 0 | - | 4.88 | 78,818 |
| Capitals Starting With R | 0 | - | 4.88 | 82,367 |
| Capitals Starting With S | 0 | - | 4.90 | 86,388 |
| Capitals Starting With T | 0 | - | 4.85 | 76,692 |
| Capitals Starting With W | 0 | - | 4.87 | 91,629 |
| Capitals Starting With A | 0 | - | 4.97 | 128,876 |
| Capitals Starting With B | 0 | - | 4.89 | 119,272 |
| Capitals Starting With D | 0 | - | 4.93 | 97,023 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,174 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,300 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,281 |
| Which City in Europe? | 0 | - | 4.83 | 107,794 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,157 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,300 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,654 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,050 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,212 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,725 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,307 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,767 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,168 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,870 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,537 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,468 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,688 |
| Former Capitals | 0 | - | 4.88 | 71,627 |
| Europe Capital to Country | 0 | - | 4.99 | 251,740 |
| Asia Capital to Country | 0 | - | 4.96 | 127,262 |
| Capital Cities Chain | 0 | - | 4.84 | 83,238 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,743 |
| European Capitals by Map | 0 | - | 4.99 | 141,671 |
| African Capitals by Map | 0 | - | 4.99 | 141,750 |
| Coldest World Capitals | 0 | - | 4.95 | 134,090 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,746 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,707 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,040 |
| European Coastal Capitals | 0 | - | 4.95 | 91,163 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,101 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,038 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,450 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,088 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,028 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,431 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,151 |
| Countries by Emojis | 0 | - | 4.99 | 241,428 |
| Random European City to Country | 0 | - | 4.69 | 118,318 |
| Random Asian City to Country | 0 | - | 4.56 | 44,600 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,670 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,677 |
| Which City in Canada? | 0 | - | 4.83 | 57,292 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,144 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,913 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,591 |
| Ancient City to Country | 0 | - | 4.70 | 108,280 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,655 |
| Official Cities in the UK | 0 | - | 4.89 | 285,718 |
| City-States | 0 | - | 4.53 | 37,375 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,460 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,778 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,180 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,247 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,198 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,581 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,719 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,274 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,051 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,228 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,698 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,092 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,452 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,929 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,572 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,292 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,822 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,146 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,453 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,898 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,526 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,441 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,491 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,397 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,829 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,826 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,687 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,482 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,563 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,935 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,286 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,621 |
| The Only Country ... | 0 | - | 4.91 | 81,723 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,946 |
| Boundary Waters | 0 | - | 4.92 | 88,710 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,366 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,561 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,843 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,261 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,922 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,980 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,573 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,598 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,724 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,188 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,599 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,773 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,674 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,700 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,372 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,505 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,951 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,492 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,174 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,755 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,476 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,555 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,506 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,962 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,626 |
| Name a Valid African Country | 0 | - | 4.98 | 154,854 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,679 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,435,035 |
| Resort Towns by Country | 0 | - | 4.30 | 40,071 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,410 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,734 |
| Cities by Airports | 0 | - | 4.47 | 103,873 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,021 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,330 |
| Cities Chain #2 | 0 | - | 4.42 | 56,490 |
| Cities Chain #1 | 0 | - | 4.61 | 66,780 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,428 |
| Random U.S. City to State | 0 | - | 4.45 | 76,791 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,327 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,083 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,239 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,246 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,466 |
| Capitals Starting With N | 0 | - | 4.80 | 51,721 |
| Capitals Starting With V | 0 | - | 4.79 | 38,542 |
| Capitals Starting With C | 0 | - | 4.78 | 98,740 |
| European Cities by Clue | 0 | - | 4.70 | 89,147 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,778,492 |
| Landlocked Countries | 0 | - | 4.99 | 424,474 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,371 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,758 |
| Drinks by Country | 0 | - | 4.30 | 59,481 |
| Beers by Country | 0 | - | 4.45 | 97,589 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,661 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,868 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,537 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,899 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,904 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,153 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,957 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,454 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,455 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,329 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,699 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,005 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,243 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,753 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,462 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,982 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,725 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,792 |
