| World Capitals Quiz | 0 | - | 5.00 | 5,080,327 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,237 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,358 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,448 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,500 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,616 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,387 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,205 |
| Countries by Capital City | 0 | - | 5.00 | 68,511 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,292 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,762 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,335 |
| Moved Capital Cities | 0 | - | 4.96 | 74,292 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,589 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,853 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,509 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,996 |
| North American Sports Cities | 0 | - | 4.83 | 172,550 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,368 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,488 |
| Name a City - European Countries | 0 | - | 4.90 | 65,530 |
| Cities by Former Name | 0 | - | 4.83 | 91,653 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,911 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,100 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,452 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,722 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,324 |
| World Capitals by Map | 0 | - | 5.00 | 287,176 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,409 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,361 |
| Random Country to Capital | 0 | - | 4.98 | 921,917 |
| Capitals Starting With H | 0 | - | 4.91 | 92,671 |
| Capitals Starting With K | 0 | - | 4.88 | 83,708 |
| Capitals Starting With L | 0 | - | 4.81 | 88,198 |
| Capitals Starting With M | 0 | - | 4.93 | 107,983 |
| Capitals Starting With P | 0 | - | 4.88 | 78,305 |
| Capitals Starting With R | 0 | - | 4.87 | 81,939 |
| Capitals Starting With S | 0 | - | 4.90 | 85,905 |
| Capitals Starting With T | 0 | - | 4.85 | 76,259 |
| Capitals Starting With W | 0 | - | 4.87 | 91,369 |
| Capitals Starting With A | 0 | - | 4.97 | 128,214 |
| Capitals Starting With B | 0 | - | 4.89 | 118,651 |
| Capitals Starting With D | 0 | - | 4.93 | 96,572 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,904 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,045 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,858 |
| Which City in Europe? | 0 | - | 4.83 | 107,502 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,252 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,442 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,918 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,166 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,596 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,860 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,101 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,354 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,293 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,010 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,897 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,333 |
| Former Capitals | 0 | - | 4.88 | 71,499 |
| Europe Capital to Country | 0 | - | 4.99 | 250,677 |
| Asia Capital to Country | 0 | - | 4.96 | 126,774 |
| Capital Cities Chain | 0 | - | 4.83 | 82,871 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,086 |
| European Capitals by Map | 0 | - | 4.99 | 139,694 |
| African Capitals by Map | 0 | - | 4.99 | 134,063 |
| Coldest World Capitals | 0 | - | 4.95 | 133,622 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,569 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,228 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,555 |
| European Coastal Capitals | 0 | - | 4.95 | 90,739 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,639 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,514 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,344 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,892 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,689 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,036 |
| Country Nicknames | 0 | - | 3.95 | 97,960 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,005 |
| Random European City to Country | 0 | - | 4.69 | 117,807 |
| Random Asian City to Country | 0 | - | 4.56 | 44,554 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,171 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,367 |
| Which City in Canada? | 0 | - | 4.83 | 57,118 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,076 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,063 |
| Ancient City to Country | 0 | - | 4.70 | 108,105 |
| Official Cities in the UK | 0 | - | 4.89 | 284,261 |
| City-States | 0 | - | 4.53 | 37,290 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,178 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,700 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,909 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,202 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,139 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,553 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,578 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,247 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,965 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,128 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,320 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,608 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,148 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,441 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,276 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,946 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,708 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,576 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,266 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,121 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,129 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,175 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,249 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,222 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,495 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,544 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,485 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,167 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,789 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,706 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,213 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,363 |
| The Only Country ... | 0 | - | 4.91 | 81,307 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,444 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,569 |
| Boundary Waters | 0 | - | 4.92 | 88,525 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,220 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,209 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,547 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,972 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,598 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,840 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,541 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,532 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,349 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,158 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,577 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,301 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,823 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,072 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,924 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,197 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,272 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,776 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,671 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,452 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,249 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,157 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,841 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,816 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,658 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,152 |
| Name a Valid African Country | 0 | - | 4.98 | 154,248 |
| Resort Towns by Country | 0 | - | 4.30 | 40,028 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,283 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,345 |
| Cities by Airports | 0 | - | 4.49 | 88,791 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,959 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,084 |
| Cities Chain #2 | 0 | - | 4.42 | 56,416 |
| Cities Chain #1 | 0 | - | 4.61 | 66,666 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,600 |
| Random U.S. City to State | 0 | - | 4.45 | 76,384 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,230 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,650 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,177 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,170 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,365 |
| Capitals Starting With N | 0 | - | 4.80 | 51,290 |
| Capitals Starting With V | 0 | - | 4.79 | 38,262 |
| Capitals Starting With C | 0 | - | 4.79 | 98,113 |
| European Cities by Clue | 0 | - | 4.70 | 89,084 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,541,994 |
| Landlocked Countries | 0 | - | 4.99 | 421,472 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,997 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 489,994 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 713,393 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,628 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,643 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,477 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,824 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,627 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,123 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,925 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,371 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,507 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,242 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,627 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,838 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,657 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,568 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,434 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,743 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,381 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,738 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,601 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,348 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,872 |
| Random European Capital to Country | 0 | - | 4.98 | 191,104 |
| Random European Country to Capital | 0 | - | 4.93 | 165,304 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,549 |
