| North American Sports Cities | 0 | - | 4.83 | 171,740 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,234 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,539 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,390 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,455 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,828 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,927 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,226 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,253 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,940 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,586 |
| Countries by Capital City | 0 | - | 5.00 | 67,891 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,954 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,447 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,942 |
| Moved Capital Cities | 0 | - | 4.96 | 74,036 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,577 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,926 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,540 |
| Random European Capital to Country | 0 | - | 4.98 | 190,614 |
| Random European Country to Capital | 0 | - | 4.93 | 164,527 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,188 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,583 |
| Random African Capital to Country | 0 | - | 4.97 | 100,476 |
| Random African Country to Capital | 0 | - | 4.94 | 71,081 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,704 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,317 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,240 |
| Name a City - European Countries | 0 | - | 4.90 | 65,176 |
| Cities by Former Name | 0 | - | 4.83 | 91,416 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,727 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,910 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,314 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,564 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,863 |
| World Capitals by Map | 0 | - | 5.00 | 285,558 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,142 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,815 |
| Random Country to Capital | 0 | - | 4.98 | 918,127 |
| Capitals Starting With H | 0 | - | 4.90 | 92,039 |
| Capitals Starting With K | 0 | - | 4.85 | 79,351 |
| Capitals Starting With L | 0 | - | 4.81 | 87,483 |
| Capitals Starting With M | 0 | - | 4.93 | 107,049 |
| Capitals Starting With P | 0 | - | 4.88 | 77,744 |
| Capitals Starting With R | 0 | - | 4.87 | 81,443 |
| Capitals Starting With S | 0 | - | 4.89 | 85,353 |
| Capitals Starting With T | 0 | - | 4.84 | 75,795 |
| Capitals Starting With W | 0 | - | 4.87 | 91,030 |
| Capitals Starting With A | 0 | - | 4.97 | 127,334 |
| Capitals Starting With B | 0 | - | 4.89 | 117,971 |
| Capitals Starting With D | 0 | - | 4.93 | 95,987 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,164 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,009 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,067 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,637 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,222 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,274 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,795 |
| American Cities by Stadium | 0 | - | 4.02 | 36,528 |
| City by Football Clubs | 0 | - | 4.38 | 137,825 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,115 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,509 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,386 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,770 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,803 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,677 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,681 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,945 |
| Former Capitals | 0 | - | 4.88 | 71,374 |
| Europe Capital to Country | 0 | - | 4.99 | 249,528 |
| Asia Capital to Country | 0 | - | 4.96 | 126,455 |
| Capital Cities Chain | 0 | - | 4.83 | 82,468 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,555 |
| European Capitals by Map | 0 | - | 4.99 | 138,515 |
| African Capitals by Map | 0 | - | 4.99 | 133,327 |
| Coldest World Capitals | 0 | - | 4.95 | 133,448 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,062 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,863 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,222 |
| European Coastal Capitals | 0 | - | 4.95 | 90,364 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,493 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,090 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,524 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,738 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,377 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,658 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,603 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,810 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,823 |
| Ancient City to Country | 0 | - | 4.70 | 107,920 |
| Official Cities in the UK | 0 | - | 4.89 | 282,994 |
| City-States | 0 | - | 4.53 | 37,225 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,068 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,619 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,609 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,159 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,079 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,525 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,441 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,212 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,849 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,373 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,037 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,232 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,876 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,963 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,122 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,683 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,596 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,167 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,426 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,692 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,937 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,068 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,054 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,076 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,297 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,279 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,919 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,276 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,147 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,161 |
| The Only Country ... | 0 | - | 4.91 | 80,750 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,723 |
| Boundary Waters | 0 | - | 4.92 | 88,368 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,065 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,888 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,743 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,503 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,452 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,654 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,135 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,569 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,920 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,988 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,468 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,520 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,890 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,621 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,306 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,040 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,253 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,141 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,043 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,825 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,156 |
| Cities by Airports | 0 | - | 4.49 | 88,633 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,787 |
| Cities Chain #2 | 0 | - | 4.42 | 56,309 |
| Cities Chain #1 | 0 | - | 4.61 | 66,566 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 70,784 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,168 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,491 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,118 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,114 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,317 |
| Capitals Starting With N | 0 | - | 4.80 | 50,811 |
| Capitals Starting With V | 0 | - | 4.79 | 37,938 |
| Capitals Starting With C | 0 | - | 4.78 | 97,371 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,317,042 |
| Landlocked Countries | 0 | - | 4.99 | 418,654 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,607 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,472 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,419 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,762 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,089 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,885 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,279 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,281 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,166 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,554 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,689 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,326 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,199 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,439 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,415 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,894 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,705 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,314 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,839 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,223 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,843 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,007 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,743 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,646 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,763 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,237 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,424 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,487 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,600 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,635 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,863 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,754 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,360 |
| Cities with the Same Name | 0 | - | 3.94 | 36,667 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,798 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,389 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,977 |
| World Cities A-Z by Clue #1 | 0 | - | 4.50 | 67,918 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 50,877 |