| World Capitals Quiz | 0 | - | 5.00 | 5,062,724 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,554 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,933 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,229 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,258 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,948 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,603 |
| Countries by Capital City | 0 | - | 5.00 | 67,900 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,960 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,456 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,948 |
| Moved Capital Cities | 0 | - | 4.96 | 74,043 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,396 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,602 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,711 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,316 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,569 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,871 |
| World Capitals by Map | 0 | - | 5.00 | 285,578 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,148 |
| Capitals Starting With H | 0 | - | 4.90 | 92,085 |
| Capitals Starting With K | 0 | - | 4.85 | 80,081 |
| Capitals Starting With L | 0 | - | 4.81 | 87,556 |
| Capitals Starting With M | 0 | - | 4.93 | 107,127 |
| Capitals Starting With P | 0 | - | 4.88 | 77,796 |
| Capitals Starting With R | 0 | - | 4.87 | 81,473 |
| Capitals Starting With S | 0 | - | 4.89 | 85,399 |
| Capitals Starting With T | 0 | - | 4.84 | 75,833 |
| Capitals Starting With W | 0 | - | 4.87 | 91,048 |
| Capitals Starting With A | 0 | - | 4.97 | 127,382 |
| Capitals Starting With B | 0 | - | 4.89 | 118,008 |
| Capitals Starting With D | 0 | - | 4.93 | 96,031 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,780 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,946 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,911 |
| Random Country to Capital | 0 | - | 4.98 | 918,224 |
| Former Capitals | 0 | - | 4.88 | 71,376 |
| Europe Capital to Country | 0 | - | 4.99 | 249,549 |
| Asia Capital to Country | 0 | - | 4.96 | 126,466 |
| Capital Cities Chain | 0 | - | 4.83 | 82,479 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,566 |
| European Capitals by Map | 0 | - | 4.99 | 138,535 |
| African Capitals by Map | 0 | - | 4.99 | 133,352 |
| Coldest World Capitals | 0 | - | 4.95 | 133,454 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,067 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,868 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,225 |
| European Coastal Capitals | 0 | - | 4.95 | 90,371 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,496 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,137 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,536 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,739 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,381 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,668 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,525 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,212 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,849 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,443 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,703 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,941 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,214 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,151 |
| Capitals of the Stans | 0 | - | 4.95 | 26,738 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,836 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,446 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,394 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,059 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,234 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,883 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,972 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,686 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,597 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,177 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,071 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,060 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,081 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,300 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,281 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,926 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,281 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,162 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,895 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,284 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,167 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,115 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,555 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,691 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,318 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,416 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,681 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,706 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,315 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,053 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,264 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,148 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Capitals Starting With N | 0 | - | 4.80 | 50,850 |
| Capitals Starting With V | 0 | - | 4.79 | 37,958 |
| Capitals Starting With C | 0 | - | 4.78 | 97,414 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,425 |
| North American Sports Cities | 0 | - | 4.83 | 171,746 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,236 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,245 |
| Name a City - European Countries | 0 | - | 4.90 | 65,186 |
| Cities by Former Name | 0 | - | 4.83 | 91,416 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,277 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,797 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,116 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,202 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,440 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,322 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,849 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,228 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,948 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,399 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,402 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,959 |
| Capital City Etymologies | 0 | - | 4.77 | 63,236 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,155 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,072 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,892 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,148 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,321 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,260 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,510 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,394 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,776 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,564 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,809 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,686 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,687 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,958 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,901 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,469 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,744 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,505 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,453 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,657 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,135 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,569 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,829 |
| Ancient City to Country | 0 | - | 4.70 | 107,925 |
| City-States | 0 | - | 4.53 | 37,227 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,069 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,619 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,160 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,348 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,081 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,912 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,006 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,149 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,291 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,942 |
| World Capitals - One Minute Sprint | 0 | - | 4.20 | 234,840 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,080 |
| Official Cities in the UK | 0 | - | 4.89 | 283,038 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,615 |
| The Only Country ... | 0 | - | 4.91 | 80,757 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,321,440 |
| Landlocked Countries | 0 | - | 4.99 | 418,731 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,592 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,296 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,072 |
| Capitals by River | 0 | - | 4.55 | 48,290 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,549 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,491 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,601 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,643 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,873 |
| Cities with the Same Name | 0 | - | 3.94 | 36,667 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,799 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,161 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,930 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,389 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,977 |
| Cities by Airports | 0 | - | 4.49 | 88,636 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,607 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,474 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,419 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,762 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,790 |
| Cities Chain #2 | 0 | - | 4.42 | 56,310 |
| Cities Chain #1 | 0 | - | 4.61 | 66,566 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 70,909 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,089 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,927 |
| Cities by Initials | 0 | - | 4.12 | 24,555 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,169 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,011 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,481 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,887 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,496 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,119 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,531 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,282 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,039 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,765 |
