| World Capitals Quiz | 0 | - | 5.00 | 5,096,803 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,993 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,411 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,012 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,936 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,821 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,006 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,945 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,830 |
| Countries by Capital City | 0 | - | 5.00 | 69,110 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,678 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,072 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,645 |
| Moved Capital Cities | 0 | - | 4.96 | 74,542 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,301 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,501 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,180 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,660 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,295 |
| North American Sports Cities | 0 | - | 4.83 | 172,960 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,501 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,806 |
| Name a City - European Countries | 0 | - | 4.90 | 65,963 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,222 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,342 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,609 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,892 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,649 |
| World Capitals by Map | 0 | - | 5.00 | 288,675 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,691 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,542 |
| Random Country to Capital | 0 | - | 4.98 | 925,684 |
| Capitals Starting With H | 0 | - | 4.91 | 92,991 |
| Capitals Starting With K | 0 | - | 4.88 | 84,039 |
| Capitals Starting With L | 0 | - | 4.81 | 90,812 |
| Capitals Starting With M | 0 | - | 4.93 | 108,545 |
| Capitals Starting With P | 0 | - | 4.88 | 78,638 |
| Capitals Starting With R | 0 | - | 4.88 | 82,196 |
| Capitals Starting With S | 0 | - | 4.90 | 86,220 |
| Capitals Starting With T | 0 | - | 4.85 | 76,527 |
| Capitals Starting With W | 0 | - | 4.87 | 91,534 |
| Capitals Starting With A | 0 | - | 4.97 | 128,657 |
| Capitals Starting With B | 0 | - | 4.89 | 119,062 |
| Capitals Starting With D | 0 | - | 4.93 | 96,874 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,157 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,287 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,242 |
| Which City in Europe? | 0 | - | 4.83 | 107,771 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,124 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,633 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,037 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,712 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,263 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,731 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,087 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,824 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,506 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,437 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,647 |
| Former Capitals | 0 | - | 4.88 | 71,616 |
| Europe Capital to Country | 0 | - | 4.99 | 251,636 |
| Asia Capital to Country | 0 | - | 4.96 | 127,224 |
| Capital Cities Chain | 0 | - | 4.84 | 83,203 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,677 |
| European Capitals by Map | 0 | - | 4.99 | 141,498 |
| African Capitals by Map | 0 | - | 4.99 | 141,558 |
| Coldest World Capitals | 0 | - | 4.95 | 134,074 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,647 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,663 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,002 |
| European Coastal Capitals | 0 | - | 4.95 | 91,113 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,088 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,866 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,359 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,064 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,980 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,388 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,814 |
| Countries by Emojis | 0 | - | 4.99 | 241,311 |
| Random European City to Country | 0 | - | 4.69 | 118,267 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,622 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,644 |
| Which City in Canada? | 0 | - | 4.83 | 57,274 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 65,112 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,884 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,562 |
| Ancient City to Country | 0 | - | 4.70 | 108,258 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,649 |
| Official Cities in the UK | 0 | - | 4.89 | 285,525 |
| City-States | 0 | - | 4.53 | 37,368 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,448 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,772 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,162 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,237 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,192 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,579 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,704 |
| 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 | 483,982 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,571 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,011 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,428 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,873 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,535 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,268 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,807 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,106 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,436 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,789 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,486 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,404 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,473 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,382 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,798 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,805 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,657 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,455 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,343 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,918 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,282 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,593 |
| The Only Country ... | 0 | - | 4.91 | 81,680 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,887 |
| Boundary Waters | 0 | - | 4.92 | 88,694 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,347 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,514 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,812 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,241 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,901 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,970 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,568 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,593 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,580 |
| 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 | 70,733 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,482 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,634 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,338 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,467 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,896 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,407 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,139 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,725 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,458 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,444 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,123 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,746 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,575 |
| Name a Valid African Country | 0 | - | 4.98 | 154,803 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,614 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,434,108 |
| Resort Towns by Country | 0 | - | 4.30 | 40,068 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,396 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,684 |
| Cities by Airports | 0 | - | 4.47 | 103,808 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,017 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,294 |
| Cities Chain #2 | 0 | - | 4.42 | 56,481 |
| Cities Chain #1 | 0 | - | 4.61 | 66,767 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,352 |
| Random U.S. City to State | 0 | - | 4.45 | 76,764 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,318 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,053 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,233 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,238 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,457 |
| Capitals Starting With N | 0 | - | 4.80 | 51,558 |
| Capitals Starting With V | 0 | - | 4.79 | 38,466 |
| Capitals Starting With C | 0 | - | 4.78 | 98,539 |
| European Cities by Clue | 0 | - | 4.70 | 89,140 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,755,031 |
| Landlocked Countries | 0 | - | 4.99 | 424,121 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,347 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,744 |
| Drinks by Country | 0 | - | 4.30 | 59,475 |
| Beers by Country | 0 | - | 4.45 | 97,568 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,656 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,851 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,530 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,893 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,408 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,147 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,947 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,448 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,369 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,322 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,695 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,984 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,202 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,729 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,462 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,959 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,692 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,789 |
