| World Capitals Quiz | 0 | - | 5.00 | 5,085,422 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,452 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,578 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,580 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,714 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,535 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,386 |
| Countries by Capital City | 0 | - | 5.00 | 68,680 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,400 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,843 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,438 |
| Moved Capital Cities | 0 | - | 4.96 | 74,376 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,655 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,249 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,559 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,093 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,501 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,772 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,425 |
| World Capitals by Map | 0 | - | 5.00 | 287,566 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,495 |
| Capitals Starting With H | 0 | - | 4.91 | 92,747 |
| Capitals Starting With K | 0 | - | 4.88 | 83,800 |
| Capitals Starting With L | 0 | - | 4.81 | 88,270 |
| Capitals Starting With M | 0 | - | 4.93 | 108,105 |
| Capitals Starting With P | 0 | - | 4.88 | 78,375 |
| Capitals Starting With R | 0 | - | 4.87 | 81,995 |
| Capitals Starting With S | 0 | - | 4.90 | 85,978 |
| Capitals Starting With T | 0 | - | 4.84 | 76,329 |
| Capitals Starting With W | 0 | - | 4.87 | 91,411 |
| Capitals Starting With A | 0 | - | 4.97 | 128,320 |
| Capitals Starting With B | 0 | - | 4.89 | 118,739 |
| Capitals Starting With D | 0 | - | 4.93 | 96,651 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,000 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,975 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,125 |
| Random Country to Capital | 0 | - | 4.98 | 923,149 |
| Former Capitals | 0 | - | 4.88 | 71,533 |
| Europe Capital to Country | 0 | - | 4.99 | 250,952 |
| Asia Capital to Country | 0 | - | 4.96 | 126,891 |
| Capital Cities Chain | 0 | - | 4.84 | 82,983 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,245 |
| European Capitals by Map | 0 | - | 4.99 | 140,050 |
| African Capitals by Map | 0 | - | 4.99 | 134,205 |
| Coldest World Capitals | 0 | - | 4.95 | 133,671 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,671 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,322 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,664 |
| European Coastal Capitals | 0 | - | 4.95 | 90,853 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,685 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,942 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,645 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,935 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,787 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,137 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,564 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,255 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,985 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,332 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,249 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,236 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,369 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,238 |
| Capitals of the Stans | 0 | - | 4.95 | 26,931 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,616 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,621 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,729 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,649 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,744 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,226 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,550 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,052 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,735 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,706 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,316 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,263 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,565 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,616 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,529 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,265 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,985 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,432 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,282 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,524 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,275 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,191 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,648 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,878 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,414 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,440 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,446 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,753 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,918 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,815 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,790 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,531 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,307 |
| Capitals Starting With N | 0 | - | 4.80 | 51,346 |
| Capitals Starting With V | 0 | - | 4.79 | 38,308 |
| Capitals Starting With C | 0 | - | 4.78 | 98,230 |
| North American Sports Cities | 0 | - | 4.83 | 172,679 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,415 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,593 |
| Name a City - European Countries | 0 | - | 4.90 | 65,652 |
| Cities by Former Name | 0 | - | 4.83 | 91,746 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,266 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,507 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,953 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,178 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,808 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,611 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,671 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,510 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,387 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,442 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,802 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,452 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,232 |
| Capital City Etymologies | 0 | - | 4.77 | 63,404 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,207 |
| Boundary Waters | 0 | - | 4.92 | 88,595 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,308 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,782 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,649 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,612 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,633 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,002 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,254 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,558 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,426 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,118 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,969 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,051 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,944 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,091 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,970 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,883 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,548 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,548 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 47,771 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,164 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,584 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,323 |
| Ancient City to Country | 0 | - | 4.70 | 108,156 |
| City-States | 0 | - | 4.53 | 37,312 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,344 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,722 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,212 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,704 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,157 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,006 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,047 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,214 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,327 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,032 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,831 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,464 |
| Official Cities in the UK | 0 | - | 4.89 | 284,624 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,986 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,194 |
| The Only Country ... | 0 | - | 4.91 | 81,447 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,611,570 |
| Landlocked Countries | 0 | - | 4.99 | 422,342 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,911 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,398 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,310 |
| Capitals by River | 0 | - | 4.55 | 48,346 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,780 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,723 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,054 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,452 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,466 |
| Cities with the Same Name | 0 | - | 3.94 | 36,698 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,818 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,317 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,460 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,411 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,992 |
| Cities by Airports | 0 | - | 4.45 | 101,611 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,641 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,735 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,505 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,870 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,153 |
| Cities Chain #2 | 0 | - | 4.42 | 56,436 |
| Cities Chain #1 | 0 | - | 4.61 | 66,692 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,837 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,129 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,426 |
| Cities by Initials | 0 | - | 4.12 | 24,595 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,252 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,465 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,253 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,927 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,699 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,189 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,070 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,396 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,185 |
