| World Capitals Quiz | 0 | - | 5.00 | 5,104,808 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,102 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,547 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,272 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,327 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,960 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,181 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,203 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,108 |
| Countries by Capital City | 0 | - | 5.00 | 69,356 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,836 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,206 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,793 |
| Moved Capital Cities | 0 | - | 4.96 | 74,634 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,575 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,712 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,773 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,726 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,414 |
| North American Sports Cities | 0 | - | 4.83 | 173,128 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,556 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,937 |
| Name a City - European Countries | 0 | - | 4.90 | 66,144 |
| Cities by Former Name | 0 | - | 4.83 | 92,031 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,512 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,675 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,679 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,974 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,807 |
| World Capitals by Map | 0 | - | 5.00 | 289,264 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,809 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,204 |
| Random Country to Capital | 0 | - | 4.98 | 927,725 |
| Capitals Starting With H | 0 | - | 4.91 | 93,323 |
| Capitals Starting With K | 0 | - | 4.89 | 84,389 |
| Capitals Starting With M | 0 | - | 4.94 | 109,161 |
| Capitals Starting With P | 0 | - | 4.88 | 78,995 |
| Capitals Starting With R | 0 | - | 4.88 | 82,495 |
| Capitals Starting With S | 0 | - | 4.90 | 86,561 |
| Capitals Starting With T | 0 | - | 4.85 | 76,825 |
| Capitals Starting With W | 0 | - | 4.87 | 91,728 |
| Capitals Starting With A | 0 | - | 4.97 | 129,089 |
| Capitals Starting With B | 0 | - | 4.89 | 119,487 |
| Capitals Starting With D | 0 | - | 4.94 | 97,190 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,241 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,352 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,379 |
| Which City in Europe? | 0 | - | 4.83 | 107,874 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,293 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,318 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,719 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,102 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,225 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,774 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,438 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,893 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,434 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,031 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,659 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,563 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,824 |
| Former Capitals | 0 | - | 4.88 | 71,674 |
| Europe Capital to Country | 0 | - | 4.99 | 252,020 |
| Asia Capital to Country | 0 | - | 4.96 | 127,366 |
| Capital Cities Chain | 0 | - | 4.84 | 83,346 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,937 |
| European Capitals by Map | 0 | - | 4.99 | 142,026 |
| African Capitals by Map | 0 | - | 4.99 | 142,084 |
| Coldest World Capitals | 0 | - | 4.95 | 134,146 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,880 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,845 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,160 |
| European Coastal Capitals | 0 | - | 4.95 | 91,286 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,174 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,591 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,736 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,153 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,107 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,545 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,422 |
| Countries by Emojis | 0 | - | 4.99 | 242,309 |
| Random European City to Country | 0 | - | 4.69 | 118,440 |
| Random Asian City to Country | 0 | - | 4.56 | 44,618 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,833 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,757 |
| Which City in Canada? | 0 | - | 4.83 | 57,351 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,213 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 206,033 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,671 |
| Ancient City to Country | 0 | - | 4.70 | 108,334 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,682 |
| Official Cities in the UK | 0 | - | 4.89 | 286,159 |
| City-States | 0 | - | 4.53 | 37,398 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,498 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,810 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,308 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,276 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,222 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,590 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,831 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,281 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,074 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,901 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,121 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,212 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,565 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,083 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,663 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,381 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,850 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,277 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,530 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,067 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,645 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,517 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,570 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,455 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,931 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,903 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,756 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,557 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,883 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,984 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,303 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,697 |
| The Only Country ... | 0 | - | 4.91 | 81,859 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,066 |
| Boundary Waters | 0 | - | 4.92 | 88,754 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,406 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,682 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,944 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,306 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,966 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,006 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,581 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,612 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,025 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,197 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,604 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,905 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,114 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,920 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,814 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,649 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,205 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,715 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,334 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,862 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,548 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,690 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,702 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,525 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,760 |
| Name a Valid African Country | 0 | - | 4.98 | 155,003 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,854 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,437,941 |
| Resort Towns by Country | 0 | - | 4.30 | 40,083 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,456 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,834 |
| Cities by Airports | 0 | - | 4.47 | 104,006 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,034 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,399 |
| Cities Chain #2 | 0 | - | 4.42 | 56,517 |
| Cities Chain #1 | 0 | - | 4.61 | 66,818 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,689 |
| Random U.S. City to State | 0 | - | 4.45 | 76,891 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,347 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,140 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,260 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,270 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,484 |
| Capitals Starting With L | 0 | - | 4.80 | 95,697 |
| Capitals Starting With N | 0 | - | 4.80 | 51,882 |
| Capitals Starting With V | 0 | - | 4.80 | 38,645 |
| Capitals Starting With C | 0 | - | 4.78 | 98,966 |
| European Cities by Clue | 0 | - | 4.70 | 89,173 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,863,183 |
| Landlocked Countries | 0 | - | 4.99 | 425,587 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,443 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,801 |
| Drinks by Country | 0 | - | 4.30 | 59,502 |
| Beers by Country | 0 | - | 4.45 | 97,653 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,675 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,923 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,547 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,912 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,433 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,164 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,978 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,489 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,612 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,365 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,719 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,053 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,397 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,809 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,467 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,044 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,819 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,807 |
