| World Capitals Quiz | 0 | - | 5.00 | 5,104,146 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,845 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,534 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,245 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,306 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,948 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,176 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,189 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,088 |
| Countries by Capital City | 0 | - | 5.00 | 69,333 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,824 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,197 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,781 |
| Moved Capital Cities | 0 | - | 4.96 | 74,627 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,558 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,695 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,719 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,724 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,405 |
| North American Sports Cities | 0 | - | 4.83 | 173,099 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,552 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,926 |
| Name a City - European Countries | 0 | - | 4.90 | 66,129 |
| Cities by Former Name | 0 | - | 4.83 | 92,027 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,426 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,570 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,673 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,968 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,787 |
| World Capitals by Map | 0 | - | 5.00 | 289,233 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,799 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,985 |
| Random Country to Capital | 0 | - | 4.98 | 927,592 |
| Capitals Starting With H | 0 | - | 4.91 | 93,312 |
| Capitals Starting With K | 0 | - | 4.89 | 84,385 |
| Capitals Starting With M | 0 | - | 4.94 | 109,141 |
| Capitals Starting With P | 0 | - | 4.88 | 78,983 |
| Capitals Starting With R | 0 | - | 4.88 | 82,488 |
| Capitals Starting With S | 0 | - | 4.90 | 86,554 |
| Capitals Starting With T | 0 | - | 4.85 | 76,816 |
| Capitals Starting With W | 0 | - | 4.87 | 91,725 |
| Capitals Starting With A | 0 | - | 4.97 | 129,072 |
| Capitals Starting With B | 0 | - | 4.89 | 119,476 |
| Capitals Starting With D | 0 | - | 4.94 | 97,184 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,227 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,350 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,370 |
| Which City in Europe? | 0 | - | 4.83 | 107,866 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,273 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,316 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,716 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,095 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,225 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,773 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,426 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,884 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,400 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,008 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,641 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,549 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,807 |
| Former Capitals | 0 | - | 4.88 | 71,663 |
| Europe Capital to Country | 0 | - | 4.99 | 251,990 |
| Asia Capital to Country | 0 | - | 4.96 | 127,356 |
| Capital Cities Chain | 0 | - | 4.84 | 83,336 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,918 |
| European Capitals by Map | 0 | - | 4.99 | 142,003 |
| African Capitals by Map | 0 | - | 4.99 | 142,053 |
| Coldest World Capitals | 0 | - | 4.95 | 134,137 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,873 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,821 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,143 |
| European Coastal Capitals | 0 | - | 4.95 | 91,271 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,166 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,547 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,696 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,146 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,099 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,531 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,292 |
| Countries by Emojis | 0 | - | 4.99 | 242,073 |
| Random European City to Country | 0 | - | 4.69 | 118,425 |
| Random Asian City to Country | 0 | - | 4.56 | 44,618 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,825 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,748 |
| Which City in Canada? | 0 | - | 4.83 | 57,348 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,204 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 206,020 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,658 |
| Ancient City to Country | 0 | - | 4.70 | 108,330 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,681 |
| Official Cities in the UK | 0 | - | 4.89 | 286,097 |
| City-States | 0 | - | 4.53 | 37,395 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,494 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,802 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,283 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,275 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,219 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,588 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,824 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,280 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,069 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,833 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,067 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,201 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,545 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,067 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,656 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,369 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,843 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,256 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,513 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,054 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,636 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,513 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,560 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,450 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,920 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,896 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,742 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,550 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,858 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,984 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,301 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,688 |
| The Only Country ... | 0 | - | 4.91 | 81,843 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,059 |
| Boundary Waters | 0 | - | 4.92 | 88,748 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,402 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,670 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,937 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,302 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,961 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,004 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,581 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,609 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,000 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,196 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,603 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,894 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,049 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,902 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,755 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,639 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,184 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,667 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,322 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,851 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,535 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,679 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,566 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,459 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,747 |
| Name a Valid African Country | 0 | - | 4.98 | 154,986 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,835 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,437,615 |
| Resort Towns by Country | 0 | - | 4.30 | 40,078 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,453 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,822 |
| Cities by Airports | 0 | - | 4.47 | 103,992 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,033 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,393 |
| Cities Chain #2 | 0 | - | 4.42 | 56,515 |
| Cities Chain #1 | 0 | - | 4.61 | 66,816 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,660 |
| Random U.S. City to State | 0 | - | 4.45 | 76,878 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,346 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,131 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,257 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,269 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,484 |
| Capitals Starting With L | 0 | - | 4.80 | 95,637 |
| Capitals Starting With N | 0 | - | 4.80 | 51,874 |
| Capitals Starting With V | 0 | - | 4.80 | 38,640 |
| Capitals Starting With C | 0 | - | 4.78 | 98,951 |
| European Cities by Clue | 0 | - | 4.70 | 89,171 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,854,519 |
| Landlocked Countries | 0 | - | 4.99 | 425,430 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,432 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,798 |
| Drinks by Country | 0 | - | 4.30 | 59,501 |
| Beers by Country | 0 | - | 4.45 | 97,646 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,674 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,919 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,547 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,910 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,273 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,164 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,977 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,482 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,602 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,363 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,718 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,050 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,374 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,804 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,466 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,039 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,812 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,805 |
