| World Capitals Quiz | 0 | - | 5.00 | 5,097,637 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,253 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,431 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,033 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,955 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,838 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,021 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,974 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,856 |
| Countries by Capital City | 0 | - | 5.00 | 69,136 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,693 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,081 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,658 |
| Moved Capital Cities | 0 | - | 4.96 | 74,552 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,332 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,523 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,229 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,677 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,309 |
| North American Sports Cities | 0 | - | 4.83 | 172,970 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,504 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,812 |
| Name a City - European Countries | 0 | - | 4.90 | 65,982 |
| Cities by Former Name | 0 | - | 4.83 | 91,928 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,336 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,473 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,620 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,900 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,662 |
| World Capitals by Map | 0 | - | 5.00 | 288,750 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,705 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,816 |
| Random Country to Capital | 0 | - | 4.98 | 925,844 |
| Capitals Starting With H | 0 | - | 4.91 | 93,077 |
| Capitals Starting With K | 0 | - | 4.88 | 84,144 |
| Capitals Starting With L | 0 | - | 4.81 | 92,756 |
| Capitals Starting With M | 0 | - | 4.93 | 108,715 |
| Capitals Starting With P | 0 | - | 4.88 | 78,730 |
| Capitals Starting With R | 0 | - | 4.88 | 82,280 |
| Capitals Starting With S | 0 | - | 4.90 | 86,321 |
| Capitals Starting With T | 0 | - | 4.85 | 76,612 |
| Capitals Starting With W | 0 | - | 4.87 | 91,583 |
| Capitals Starting With A | 0 | - | 4.97 | 128,768 |
| Capitals Starting With B | 0 | - | 4.89 | 119,172 |
| Capitals Starting With D | 0 | - | 4.93 | 96,949 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,165 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,293 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,260 |
| Which City in Europe? | 0 | - | 4.83 | 107,781 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,140 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,298 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,641 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,041 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,212 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,719 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,282 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,743 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,114 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,834 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,514 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,445 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,665 |
| Former Capitals | 0 | - | 4.88 | 71,622 |
| Europe Capital to Country | 0 | - | 4.99 | 251,669 |
| Asia Capital to Country | 0 | - | 4.96 | 127,234 |
| Capital Cities Chain | 0 | - | 4.84 | 83,218 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,709 |
| European Capitals by Map | 0 | - | 4.99 | 141,542 |
| African Capitals by Map | 0 | - | 4.99 | 141,618 |
| Coldest World Capitals | 0 | - | 4.95 | 134,082 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,668 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,677 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,018 |
| European Coastal Capitals | 0 | - | 4.95 | 91,126 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,095 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,954 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,387 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,077 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,995 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,405 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,911 |
| Countries by Emojis | 0 | - | 4.99 | 241,356 |
| Random European City to Country | 0 | - | 4.69 | 118,273 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,633 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,655 |
| Which City in Canada? | 0 | - | 4.83 | 57,278 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,122 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,896 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,572 |
| Ancient City to Country | 0 | - | 4.70 | 108,264 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,652 |
| Official Cities in the UK | 0 | - | 4.89 | 285,590 |
| City-States | 0 | - | 4.53 | 37,369 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,450 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,774 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,169 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,238 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,193 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,580 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,711 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,043 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,090 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,607 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,436 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,903 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,549 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,814 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,117 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,440 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,830 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,501 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,414 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,482 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,387 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,811 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,813 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,668 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,467 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,362 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,924 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,283 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,605 |
| The Only Country ... | 0 | - | 4.91 | 81,694 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,912 |
| Boundary Waters | 0 | - | 4.92 | 88,697 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,526 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,830 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,249 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,912 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,972 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,569 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,594 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,637 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,186 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,596 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,747 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,547 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,663 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,353 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,487 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,913 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,447 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,153 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,738 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,462 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,453 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,241 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,821 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,590 |
| Name a Valid African Country | 0 | - | 4.98 | 154,826 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,637 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,434,385 |
| Resort Towns by Country | 0 | - | 4.30 | 40,068 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,404 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,707 |
| Cities by Airports | 0 | - | 4.47 | 103,834 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,018 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,306 |
| Cities Chain #2 | 0 | - | 4.42 | 56,485 |
| Cities Chain #1 | 0 | - | 4.61 | 66,771 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,376 |
| Random U.S. City to State | 0 | - | 4.45 | 76,771 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,324 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,063 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,234 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,241 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,457 |
| Capitals Starting With N | 0 | - | 4.80 | 51,641 |
| Capitals Starting With V | 0 | - | 4.79 | 38,501 |
| Capitals Starting With C | 0 | - | 4.78 | 98,636 |
| European Cities by Clue | 0 | - | 4.70 | 89,143 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,763,660 |
| Landlocked Countries | 0 | - | 4.99 | 424,228 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,351 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,752 |
| Drinks by Country | 0 | - | 4.30 | 59,477 |
| Beers by Country | 0 | - | 4.45 | 97,576 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,659 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,856 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,537 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,898 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,584 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,150 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,950 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,451 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,408 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,324 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,695 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,989 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,210 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,741 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,462 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,967 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,705 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,789 |
