| World Capitals Quiz | 0 | - | 5.00 | 5,111,418 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,401 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,492 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,047 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,295 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,364 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,295 |
| Countries by Capital City | 0 | - | 5.00 | 69,550 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,077 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,311 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,913 |
| Moved Capital Cities | 0 | - | 4.96 | 74,703 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,842 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,248 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,754 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,539 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,964 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,024 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,929 |
| World Capitals by Map | 0 | - | 5.00 | 289,770 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,890 |
| Capitals Starting With H | 0 | - | 4.91 | 93,407 |
| Capitals Starting With K | 0 | - | 4.88 | 84,480 |
| Capitals Starting With L | 0 | - | 4.81 | 96,032 |
| Capitals Starting With M | 0 | - | 4.94 | 109,312 |
| Capitals Starting With P | 0 | - | 4.88 | 79,093 |
| Capitals Starting With R | 0 | - | 4.88 | 82,573 |
| Capitals Starting With S | 0 | - | 4.90 | 86,660 |
| Capitals Starting With T | 0 | - | 4.86 | 76,910 |
| Capitals Starting With W | 0 | - | 4.87 | 91,777 |
| Capitals Starting With A | 0 | - | 4.97 | 129,224 |
| Capitals Starting With B | 0 | - | 4.89 | 119,603 |
| Capitals Starting With D | 0 | - | 4.94 | 97,286 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,756 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,610 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,294 |
| Random Country to Capital | 0 | - | 4.98 | 929,455 |
| Former Capitals | 0 | - | 4.88 | 71,716 |
| Europe Capital to Country | 0 | - | 4.99 | 252,424 |
| Asia Capital to Country | 0 | - | 4.96 | 127,649 |
| Capital Cities Chain | 0 | - | 4.84 | 83,479 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,184 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,656 |
| European Capitals by Map | 0 | - | 4.99 | 142,396 |
| African Capitals by Map | 0 | - | 4.99 | 142,469 |
| Coldest World Capitals | 0 | - | 4.95 | 134,222 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,072 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,058 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,319 |
| European Coastal Capitals | 0 | - | 4.95 | 91,446 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,250 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,100 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,077 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,219 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,228 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,671 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,599 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,289 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,206 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,187 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,761 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,614 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,752 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,319 |
| Capitals of the Stans | 0 | - | 4.95 | 27,210 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,454 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,894 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,418 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,557 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,328 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,689 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,247 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,457 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,892 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,436 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,642 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,519 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,026 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,986 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,842 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,640 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,059 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,785 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,753 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,668 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,396 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,292 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,748 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,097 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,496 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,473 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,393 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,827 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,969 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,855 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,475 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,972 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,653 |
| Capitals Starting With N | 0 | - | 4.80 | 51,968 |
| Capitals Starting With V | 0 | - | 4.80 | 38,703 |
| Capitals Starting With C | 0 | - | 4.78 | 99,107 |
| North American Sports Cities | 0 | - | 4.82 | 173,253 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,590 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,023 |
| Name a City - European Countries | 0 | - | 4.89 | 66,325 |
| Cities by Former Name | 0 | - | 4.83 | 92,150 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,331 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,770 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,138 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,237 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,544 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,904 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,145 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,184 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,604 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,931 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,497 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,624 |
| Capital City Etymologies | 0 | - | 4.77 | 63,562 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,275 |
| Boundary Waters | 0 | - | 4.92 | 88,820 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,440 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,787 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,476 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,032 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,055 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,816 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,617 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,022 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,690 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,258 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,773 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,656 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,193 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,308 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,418 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,512 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,039 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,592 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,643 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,252 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,206 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,608 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,776 |
| Ancient City to Country | 0 | - | 4.72 | 108,388 |
| City-States | 0 | - | 4.53 | 37,432 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,528 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,846 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,288 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,213 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,342 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,108 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,091 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,285 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,371 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,251 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,883 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,200 |
| Official Cities in the UK | 0 | - | 4.89 | 286,644 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,443 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,574 |
| The Only Country ... | 0 | - | 4.91 | 81,993 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,942,478 |
| Landlocked Countries | 0 | - | 4.99 | 426,906 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,007 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,520 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,604 |
| Capitals by River | 0 | - | 4.55 | 48,398 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,051 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,972 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,478 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,105 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,140 |
| Cities with the Same Name | 0 | - | 3.94 | 36,733 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,847 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,499 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,934 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,443 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,014 |
| Cities by Airports | 0 | - | 4.48 | 104,125 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,683 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,981 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,556 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,922 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,467 |
| Cities Chain #2 | 0 | - | 4.42 | 56,537 |
| Cities Chain #1 | 0 | - | 4.61 | 66,846 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,950 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,174 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,061 |
| Cities by Initials | 0 | - | 4.12 | 24,644 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,378 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,657 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,203 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,985 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,194 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,285 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,326 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,780 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,347 |
