| World Capitals Quiz | 0 | - | 5.00 | 5,110,721 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,185 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,478 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,038 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,286 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,348 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,282 |
| Countries by Capital City | 0 | - | 5.00 | 69,536 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,025 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,297 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,903 |
| Moved Capital Cities | 0 | - | 4.96 | 74,700 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,839 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,214 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,750 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,526 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,963 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,018 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,920 |
| World Capitals by Map | 0 | - | 5.00 | 289,738 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,881 |
| Capitals Starting With H | 0 | - | 4.91 | 93,400 |
| Capitals Starting With K | 0 | - | 4.88 | 84,474 |
| Capitals Starting With M | 0 | - | 4.94 | 109,299 |
| Capitals Starting With P | 0 | - | 4.88 | 79,080 |
| Capitals Starting With R | 0 | - | 4.88 | 82,568 |
| Capitals Starting With S | 0 | - | 4.90 | 86,653 |
| Capitals Starting With T | 0 | - | 4.86 | 76,902 |
| Capitals Starting With W | 0 | - | 4.87 | 91,775 |
| Capitals Starting With A | 0 | - | 4.97 | 129,211 |
| Capitals Starting With B | 0 | - | 4.89 | 119,595 |
| Capitals Starting With D | 0 | - | 4.94 | 97,280 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,672 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,510 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,023 |
| Random Country to Capital | 0 | - | 4.98 | 929,340 |
| Former Capitals | 0 | - | 4.88 | 71,708 |
| Europe Capital to Country | 0 | - | 4.99 | 252,375 |
| Asia Capital to Country | 0 | - | 4.96 | 127,639 |
| Capital Cities Chain | 0 | - | 4.84 | 83,468 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,159 |
| European Capitals by Map | 0 | - | 4.99 | 142,361 |
| African Capitals by Map | 0 | - | 4.99 | 142,447 |
| Coldest World Capitals | 0 | - | 4.95 | 134,207 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,053 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,031 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,301 |
| European Coastal Capitals | 0 | - | 4.95 | 91,435 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,241 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,043 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,055 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,214 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,220 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,659 |
| 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 | 59,170 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,174 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,749 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,611 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,744 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,316 |
| Capitals of the Stans | 0 | - | 4.95 | 27,203 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,436 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,888 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,351 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,514 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,312 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,675 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,235 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,452 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,890 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,425 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,635 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,513 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,015 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,977 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,829 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,635 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,030 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,772 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,737 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,665 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,392 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,290 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,744 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,089 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,495 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,473 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,373 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,826 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,938 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,822 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,465 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,962 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,637 |
| Capitals Starting With L | 0 | - | 4.81 | 96,013 |
| Capitals Starting With N | 0 | - | 4.80 | 51,963 |
| Capitals Starting With V | 0 | - | 4.80 | 38,700 |
| Capitals Starting With C | 0 | - | 4.78 | 99,100 |
| North American Sports Cities | 0 | - | 4.82 | 173,237 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,588 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,007 |
| Name a City - European Countries | 0 | - | 4.89 | 66,304 |
| Cities by Former Name | 0 | - | 4.83 | 92,137 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,329 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,764 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,133 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,234 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,536 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,888 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,141 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,165 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,599 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,917 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,648 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,495 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,617 |
| Capital City Etymologies | 0 | - | 4.77 | 63,558 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,273 |
| Boundary Waters | 0 | - | 4.92 | 88,811 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,435 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,781 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,457 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,024 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,043 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,809 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,599 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,007 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,656 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,238 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,761 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,641 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,192 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,302 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,410 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,493 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,033 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,639 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,223 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,206 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,606 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,767 |
| Ancient City to Country | 0 | - | 4.72 | 108,383 |
| City-States | 0 | - | 4.53 | 37,428 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,524 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,842 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,287 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,200 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,341 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,105 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,090 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,285 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,370 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,242 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,843 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,107 |
| Official Cities in the UK | 0 | - | 4.89 | 286,613 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,432 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,564 |
| The Only Country ... | 0 | - | 4.91 | 81,977 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,934,675 |
| Landlocked Countries | 0 | - | 4.99 | 426,795 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,690 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,515 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,598 |
| Capitals by River | 0 | - | 4.55 | 48,397 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,042 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,966 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,471 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,087 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,127 |
| Cities with the Same Name | 0 | - | 3.94 | 36,732 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,847 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,496 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,920 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,442 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,013 |
| Cities by Airports | 0 | - | 4.48 | 104,117 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,683 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,978 |
| 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 | 67,460 |
| Cities Chain #2 | 0 | - | 4.42 | 56,534 |
| Cities Chain #1 | 0 | - | 4.61 | 66,845 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,917 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,173 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,049 |
| Cities by Initials | 0 | - | 4.12 | 24,644 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,374 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,604 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,162 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,985 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,189 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,281 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,273 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,778 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,344 |
