| World Capitals Quiz | 0 | - | 5.00 | 5,074,005 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,477 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,252 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,404 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,495 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,228 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,001 |
| Countries by Capital City | 0 | - | 5.00 | 68,280 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,166 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,650 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,197 |
| Moved Capital Cities | 0 | - | 4.96 | 74,211 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,556 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,440 |
| Capital City Etymologies | 0 | - | 4.77 | 63,305 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,460 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,895 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,735 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,948 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,397 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,657 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,213 |
| World Capitals by Map | 0 | - | 5.00 | 286,467 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,318 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,492 |
| Random Country to Capital | 0 | - | 4.98 | 920,607 |
| Capitals Starting With H | 0 | - | 4.91 | 92,553 |
| Capitals Starting With K | 0 | - | 4.88 | 83,510 |
| Capitals Starting With L | 0 | - | 4.81 | 88,087 |
| Capitals Starting With M | 0 | - | 4.93 | 107,794 |
| Capitals Starting With P | 0 | - | 4.88 | 78,207 |
| Capitals Starting With R | 0 | - | 4.87 | 81,829 |
| Capitals Starting With S | 0 | - | 4.90 | 85,785 |
| Capitals Starting With T | 0 | - | 4.85 | 76,175 |
| Capitals Starting With W | 0 | - | 4.87 | 91,307 |
| Capitals Starting With A | 0 | - | 4.97 | 127,919 |
| Capitals Starting With B | 0 | - | 4.89 | 118,479 |
| Capitals Starting With D | 0 | - | 4.93 | 96,441 |
| Former Capitals | 0 | - | 4.88 | 71,458 |
| Europe Capital to Country | 0 | - | 4.99 | 250,313 |
| Asia Capital to Country | 0 | - | 4.96 | 126,667 |
| Capital Cities Chain | 0 | - | 4.84 | 82,743 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,886 |
| European Capitals by Map | 0 | - | 4.99 | 139,180 |
| African Capitals by Map | 0 | - | 4.99 | 133,797 |
| Coldest World Capitals | 0 | - | 4.95 | 133,565 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,407 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,078 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,427 |
| European Coastal Capitals | 0 | - | 4.95 | 90,608 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,588 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,032 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,067 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,833 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,569 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,902 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,188 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,463 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,528 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,822 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,488 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,042 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,276 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,158 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,843 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,672 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,415 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,178 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,162 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,379 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,444 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,406 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,068 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,602 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,186 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,293 |
| Capitals of the Stans | 0 | - | 4.95 | 26,844 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,540 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,241 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,915 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,885 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,007 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,078 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,134 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,104 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,041 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,614 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,393 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,511 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,337 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,161 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,486 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,214 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,152 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,595 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,776 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,491 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,345 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,523 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,425 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,725 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,498 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,135 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,291 |
| Capitals Starting With N | 0 | - | 4.80 | 51,200 |
| Capitals Starting With V | 0 | - | 4.79 | 38,185 |
| Capitals Starting With C | 0 | - | 4.79 | 97,933 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,195 |
| North American Sports Cities | 0 | - | 4.83 | 172,385 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,318 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,396 |
| Name a City - European Countries | 0 | - | 4.90 | 65,391 |
| Name a Valid World City | 0 | - | 4.83 | 71,202 |
| Cities by Former Name | 0 | - | 4.83 | 91,576 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,592 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,000 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,429 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,061 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,831 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,998 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,714 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,175 |
| Airports Named for People #1 | 0 | - | 4.44 | 55,913 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,242 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,391 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,867 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,559 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,689 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,977 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,048 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,104 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,892 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,800 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,206 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,053 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,970 |
| Ancient City to Country | 0 | - | 4.70 | 108,034 |
| Official Cities in the UK | 0 | - | 4.89 | 283,767 |
| City-States | 0 | - | 4.53 | 37,264 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,137 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,678 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,777 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,189 |
| Divided World City Name Puzzle #2 | 0 | - | 4.84 | 37,030 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,501 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,114 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,434 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,961 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,032 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,179 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,302 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,349 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,189 |
| Capitals by River | 0 | - | 4.55 | 48,316 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,993 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,245 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,647 |
| The Only Country ... | 0 | - | 4.91 | 81,048 |
| Boundary Waters | 0 | - | 4.92 | 88,469 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,170 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,095 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,456 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,465 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,417 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,803 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,528 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,506 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,706 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,150 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,573 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,152 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,700 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,843 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,800 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,227 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,210 |
| Cities by Airports | 0 | - | 4.49 | 88,726 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,995 |
| Cities Chain #2 | 0 | - | 4.42 | 56,377 |
| Cities Chain #1 | 0 | - | 4.61 | 66,626 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,248 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,203 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,590 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,159 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,104 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,796 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,909 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,971 |
| World Capitals by a Single Clue #4 | 0 | - | 4.41 | 45,174 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,214 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,462,051 |
| Landlocked Countries | 0 | - | 4.99 | 420,554 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,341 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,623 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,582 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,436 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,780 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,826 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,105 |
