| World Capitals Quiz | 0 | - | 5.00 | 5,118,170 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,915 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,654 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,688 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,165 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,441 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,593 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,546 |
| Countries by Capital City | 0 | - | 5.00 | 69,772 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,263 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,438 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,040 |
| Moved Capital Cities | 0 | - | 4.96 | 74,775 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,123 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,724 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,799 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,646 |
| North American Sports Cities | 0 | - | 4.82 | 173,364 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,620 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,121 |
| Name a City - European Countries | 0 | - | 4.89 | 66,486 |
| Cities by Former Name | 0 | - | 4.83 | 92,231 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,654 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,583 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,012 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,076 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,038 |
| World Capitals by Map | 0 | - | 5.00 | 290,282 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,995 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,553 |
| Random Country to Capital | 0 | - | 4.98 | 931,117 |
| Capitals Starting With H | 0 | - | 4.91 | 93,510 |
| Capitals Starting With K | 0 | - | 4.89 | 84,571 |
| Capitals Starting With L | 0 | - | 4.81 | 96,180 |
| Capitals Starting With M | 0 | - | 4.94 | 109,470 |
| Capitals Starting With P | 0 | - | 4.88 | 79,187 |
| Capitals Starting With R | 0 | - | 4.89 | 82,655 |
| Capitals Starting With S | 0 | - | 4.90 | 86,753 |
| Capitals Starting With T | 0 | - | 4.86 | 76,998 |
| Capitals Starting With W | 0 | - | 4.87 | 91,832 |
| Capitals Starting With A | 0 | - | 4.97 | 129,373 |
| Capitals Starting With B | 0 | - | 4.89 | 119,731 |
| Capitals Starting With D | 0 | - | 4.94 | 97,371 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,391 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,480 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,628 |
| Which City in Europe? | 0 | - | 4.83 | 108,053 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,827 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,172 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,249 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,852 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,776 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,145 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,959 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,461 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,896 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,756 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,039 |
| Former Capitals | 0 | - | 4.88 | 71,753 |
| Europe Capital to Country | 0 | - | 4.99 | 252,758 |
| Asia Capital to Country | 0 | - | 4.96 | 127,764 |
| Capital Cities Chain | 0 | - | 4.84 | 83,604 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,415 |
| European Capitals by Map | 0 | - | 4.99 | 142,772 |
| African Capitals by Map | 0 | - | 4.99 | 142,756 |
| Coldest World Capitals | 0 | - | 4.95 | 134,378 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,195 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,214 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,466 |
| European Coastal Capitals | 0 | - | 4.95 | 91,571 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,305 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,565 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,914 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,274 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,310 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,797 |
| Country Nicknames | 0 | - | 3.95 | 98,092 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,887 |
| Random European City to Country | 0 | - | 4.69 | 118,588 |
| Random Asian City to Country | 0 | - | 4.56 | 44,656 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,068 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,931 |
| Which City in Canada? | 0 | - | 4.83 | 57,444 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,781 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,874 |
| Ancient City to Country | 0 | - | 4.72 | 108,425 |
| Official Cities in the UK | 0 | - | 4.89 | 287,144 |
| City-States | 0 | - | 4.53 | 37,447 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,572 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,871 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,529 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,317 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,370 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,608 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,975 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,301 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,266 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,997 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,906 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,417 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,773 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,425 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,853 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,548 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,923 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,631 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,669 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,302 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,867 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,701 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,718 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,605 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,120 |
| Flags to Capitals #1 | 0 | - | 4.96 | 62,546 |
| Flags to Capitals #2 | 0 | - | 4.95 | 45,166 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,760 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,264 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,159 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,347 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,875 |
| The Only Country ... | 0 | - | 4.91 | 82,148 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,378 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,819 |
| Boundary Waters | 0 | - | 4.92 | 88,877 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,922 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,120 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,395 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,057 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,070 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,606 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,664 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,436 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,221 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,617 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,192 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,114 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,427 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,575 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,879 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,638 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,204 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,640 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,068 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,739 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 105,105 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,975 |
| 20 Random Country Flags | 0 | - | 4.99 | 621,238 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,713 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,035 |
| Name a Valid African Country | 0 | - | 4.98 | 155,397 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,225 |
| Resort Towns by Country | 0 | - | 4.30 | 40,107 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,546 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 121,045 |
| Cities by Airports | 0 | - | 4.48 | 104,206 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,095 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,538 |
| Cities Chain #2 | 0 | - | 4.42 | 56,559 |
| Cities Chain #1 | 0 | - | 4.61 | 66,890 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,215 |
| Random U.S. City to State | 0 | - | 4.45 | 77,084 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,405 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,237 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,298 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,303 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,516 |
| Capitals Starting With N | 0 | - | 4.80 | 52,050 |
| Capitals Starting With V | 0 | - | 4.80 | 38,767 |
| Capitals Starting With C | 0 | - | 4.78 | 99,250 |
| European Cities by Clue | 0 | - | 4.70 | 89,231 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,019,232 |
| Landlocked Countries | 0 | - | 4.99 | 427,856 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,619 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,673 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,832 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,691 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 101,039 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,564 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,926 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,441 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,180 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,997 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,811 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,704 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,425 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,770 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,143 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,804 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,967 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,477 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,200 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,044 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,844 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,225 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,439 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,397 |
| Random European Capital to Country | 0 | - | 4.98 | 192,452 |
| Random European Country to Capital | 0 | - | 4.93 | 166,144 |
