| World Capitals Quiz | 0 | - | 5.00 | 5,050,433 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,786 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,591 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,050 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,051 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,313 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,163 |
| Countries by Capital City | 0 | - | 5.00 | 67,470 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,741 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,243 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,699 |
| Moved Capital Cities | 0 | - | 4.96 | 73,880 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,133 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,708 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,423 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,593 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,013 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,211 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,445 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,500 |
| World Capitals by Map | 0 | - | 5.00 | 284,793 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,972 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,196 |
| Random Country to Capital | 0 | - | 4.98 | 914,939 |
| Capitals Starting With H | 0 | - | 4.90 | 91,715 |
| Capitals Starting With K | 0 | - | 4.85 | 75,929 |
| Capitals Starting With L | 0 | - | 4.81 | 87,142 |
| Capitals Starting With M | 0 | - | 4.93 | 106,574 |
| Capitals Starting With P | 0 | - | 4.88 | 77,440 |
| Capitals Starting With R | 0 | - | 4.87 | 81,225 |
| Capitals Starting With S | 0 | - | 4.89 | 85,063 |
| Capitals Starting With T | 0 | - | 4.84 | 75,553 |
| Capitals Starting With W | 0 | - | 4.87 | 90,846 |
| Capitals Starting With A | 0 | - | 4.97 | 126,928 |
| Capitals Starting With B | 0 | - | 4.89 | 117,617 |
| Capitals Starting With D | 0 | - | 4.93 | 95,694 |
| Former Capitals | 0 | - | 4.88 | 71,280 |
| Europe Capital to Country | 0 | - | 4.99 | 248,895 |
| Asia Capital to Country | 0 | - | 4.96 | 126,166 |
| Capital Cities Chain | 0 | - | 4.84 | 82,251 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,140 |
| European Capitals by Map | 0 | - | 4.99 | 137,719 |
| African Capitals by Map | 0 | - | 4.99 | 132,826 |
| Coldest World Capitals | 0 | - | 4.95 | 133,215 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,722 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,595 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,968 |
| European Coastal Capitals | 0 | - | 4.95 | 90,104 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,352 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,226 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,779 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,585 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,130 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,383 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,863 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,194 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,278 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,212 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,975 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,691 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,584 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,515 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,443 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,863 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,920 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,894 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,818 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,153 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,136 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,764 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,802 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,089 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,991 |
| Capitals of the Stans | 0 | - | 4.95 | 26,601 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,504 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,190 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,778 |
| Top Five Capitals By Category #1 | 0 | - | 4.73 | 79,833 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 65,307 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,789 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,460 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,725 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,108 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,795 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,635 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,941 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,942 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,911 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,180 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,092 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,074 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,516 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,593 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,899 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,281 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,350 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,402 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,680 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,134 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,467 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,111 |
| Capitals Starting With N | 0 | - | 4.80 | 50,557 |
| Capitals Starting With V | 0 | - | 4.79 | 37,775 |
| Capitals Starting With C | 0 | - | 4.78 | 96,965 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,396 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,802 |
| North American Sports Cities | 0 | - | 4.83 | 171,375 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,034 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,035 |
| Name a City - European Countries | 0 | - | 4.91 | 64,827 |
| Name a Valid World City | 0 | - | 4.83 | 70,598 |
| Cities by Former Name | 0 | - | 4.84 | 91,258 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,160 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,909 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,367 |
| World Capitals on an Empty Map | 0 | - | 4.70 | 53,778 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,497 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,801 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,214 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,125 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,807 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,192 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,106 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,722 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,083 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,431 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,090 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,541 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,900 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,443 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,100 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,539 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,690 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 485,991 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,610 |
| Ancient City to Country | 0 | - | 4.70 | 107,793 |
| Official Cities in the UK | 0 | - | 4.89 | 282,141 |
| City-States | 0 | - | 4.53 | 37,179 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,958 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,581 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,339 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,121 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,670 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,097 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,039 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,323 |
| One-Syllable World Capital Cities | 0 | - | 4.38 | 47,876 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,986 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,093 |
| Capital Cities Nearest to Islands | 0 | - | 4.55 | 13,275 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,236 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,943 |
| Capitals by River | 0 | - | 4.55 | 48,269 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,885 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 234,321 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,445 |
| The Only Country ... | 0 | - | 4.91 | 80,441 |
| Boundary Waters | 0 | - | 4.92 | 88,230 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,967 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,651 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,805 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,117 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,035 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,672 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,477 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,413 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,614 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,125 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,564 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,639 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,133 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,014 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,241 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,093 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,671 |
| Cities by Airports | 0 | - | 4.49 | 88,508 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,662 |
| Cities Chain #2 | 0 | - | 4.42 | 56,247 |
| Cities Chain #1 | 0 | - | 4.61 | 66,473 |
| World's Biggest Financial Centers | 0 | - | 4.52 | 54,154 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,112 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,391 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,081 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 32,952 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,703 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,849 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,389 |
| World Capitals by a Single Clue #4 | 0 | - | 4.41 | 38,261 |
| World Capitals by a Single Clue #1 | 0 | - | 4.51 | 55,502 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,162,121 |
| Landlocked Countries | 0 | - | 4.99 | 416,631 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,812 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,579 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,350 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,391 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,743 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,961 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,065 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,854 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,222 |
