| World Capitals Quiz | 0 | - | 5.00 | 4,851,849 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,505,540 |
| Northernmost Capital Cities | 0 | - | 4.98 | 103,474 |
| Most Remote Capital Cities | 0 | - | 4.91 | 49,370 |
| Capital Cities: Ports and Saints | 0 | - | 4.95 | 40,790 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 101,763 |
| Same Letter Country and Capital | 0 | - | 4.99 | 139,856 |
| Countries by Capital City | 0 | - | 5.00 | 60,359 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 72,585 |
| Capitals of the Largest Countries by Area | 0 | - | 4.95 | 110,692 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 79,956 |
| Moved Capital Cities | 0 | - | 4.95 | 71,150 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,407 |
| Capitals in their Native Languages | 0 | - | 4.94 | 130,570 |
| Nearest Capital City #1 | 0 | - | 4.83 | 55,289 |
| World Capitals by Proximity | 0 | - | 4.89 | 316,119 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 51,843 |
| World Capitals by Map | 0 | - | 5.00 | 269,177 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.96 | 54,759 |
| World Capitals By Letter - H | 0 | - | 4.86 | 75,760 |
| World Capitals By Letter - K | 0 | - | 4.83 | 70,328 |
| World Capitals By Letter - M | 0 | - | 4.89 | 92,640 |
| World Capitals By Letter - P | 0 | - | 4.85 | 71,711 |
| World Capitals By Letter - R | 0 | - | 4.85 | 76,379 |
| World Capitals By Letter - S | 0 | - | 4.89 | 79,189 |
| World Capitals By Letter - T | 0 | - | 4.82 | 70,509 |
| World Capitals By Letter - W | 0 | - | 4.88 | 86,378 |
| World Capitals By Letter - A | 0 | - | 4.96 | 112,121 |
| World Capitals By Letter - B | 0 | - | 4.85 | 103,260 |
| World Capitals By Letter - C | 0 | - | 4.81 | 77,600 |
| World Capitals By Letter - D | 0 | - | 4.92 | 84,087 |
| Africa Capitals Quiz | 0 | - | 4.99 | 698,172 |
| Asia Capitals Quiz | 0 | - | 4.97 | 656,510 |
| Random Capital to Country | 0 | - | 4.99 | 2,513,033 |
| Random Country to Capital | 0 | - | 4.98 | 873,239 |
| Former Capitals Quiz | 0 | - | 4.87 | 69,636 |
| Europe Capital to Country | 0 | - | 4.99 | 238,556 |
| Asia Capital to Country | 0 | - | 4.96 | 122,051 |
| Capital Cities Chain | 0 | - | 4.86 | 77,905 |
| EU Capitals with No Hints | 0 | - | 4.96 | 138,062 |
| European Capitals by Map | 0 | - | 4.99 | 125,563 |
| African Capitals by Map | 0 | - | 4.99 | 125,239 |
| Coldest World Capitals | 0 | - | 4.96 | 131,426 |
| Asian Capitals by Map | 0 | - | 4.98 | 56,602 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 87,194 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 80,029 |
| European Coastal Capitals | 0 | - | 4.95 | 85,629 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 50,540 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 253,765 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 212,647 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 79,705 |
| Capital Cities with Spanish Names | 0 | - | 4.83 | 65,959 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 86,035 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,146 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 56,724 |
| Capitals Based on Last Two Letters | 0 | - | 4.47 | 57,592 |
| Top Five Capitals By Category #1 | 0 | - | 4.55 | 56,124 |
| Top Five Capitals By Category #2 | 0 | - | 4.52 | 48,191 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 78,128 |
| Capital Cities with the Least Precipitation | 0 | - | 4.88 | 28,492 |
| Capitals of the Stans | 0 | - | 4.96 | 24,880 |
| Global Cities on a World Map | 0 | - | 4.95 | 103,648 |
| South America Capitals Quiz | 0 | - | 5.00 | 460,470 |
| North America Capitals Quiz | 0 | - | 4.99 | 205,719 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 58,477 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 90,505 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 114,000 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 83,858 |
| Capital Cities by Body of Water | 0 | - | 4.88 | 56,171 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 120,017 |
| European Capitals Furthest from the Sea | 0 | - | 4.90 | 71,160 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 92,904 |
| Asian Capitals - Map Quiz | 0 | - | 4.94 | 57,679 |
| Flags to Capitals #1 | 0 | - | 4.96 | 54,603 |
| Flags to Capitals #2 | 0 | - | 4.95 | 41,423 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.85 | 90,980 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 219,298 |
| European Capitals Ending in N | 0 | - | 4.92 | 78,548 |
| Capitals of Canadian Provinces | 0 | - | 4.87 | 84,655 |
| Capital of What | 0 | - | 4.35 | 94,323 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.33 | 74,062 |
| Nearest Capital City #2 | 0 | - | 4.55 | 38,325 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 65,625 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 52,721 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,196 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.86 | 125,516 |
| Double Trouble Capital Cities | 0 | - | 4.55 | 22,136 |
| Random World Capitals on a Map | 0 | - | 4.92 | 127,082 |
| Name a Valid European Capital | 0 | - | 4.95 | 144,601 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 75,346 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 85,711 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 78,206 |
| World Capitals By Letter - L | 0 | - | 4.75 | 81,859 |
| World Capitals By Letter - N | 0 | - | 4.73 | 45,669 |
| Single Vowel Capitals | 0 | - | 4.79 | 13,968 |
| Summer Olympic City Bids | 0 | - | 4.92 | 39,893 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.87 | 98,341 |
| Name a City - European Countries | 0 | - | 4.93 | 60,386 |
| Cities by Former Name | 0 | - | 4.84 | 88,465 |
| Biggest City by Body of Water | 0 | - | 4.51 | 39,714 |
| Global Cities Quiz | 0 | - | 4.55 | 160,540 |
| Southernmost Major Cities | 0 | - | 4.42 | 46,313 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 71,323 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 46,501 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.43 | 35,733 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 124,743 |
| Most Guessed European Capitals | 0 | - | 4.89 | 99,743 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 72,211 |
| Name a World Capital A-Z | 0 | - | 5.00 | 169,857 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 15,788 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.81 | 31,330 |
| Solve the Secret Capital City | 0 | - | 4.80 | 145,472 |
| Add A Letter - Make a Capital City | 0 | - | 4.45 | 31,874 |
| World Capitals on an Empty Map | 0 | - | 4.63 | 51,507 |
| Capital City Etymologies | 0 | - | 4.74 | 61,793 |
| Top 10 Hottest European Capitals | 0 | - | 4.62 | 32,632 |
| Boundary Waters | 0 | - | 4.93 | 86,228 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 33,473 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 92,222 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 56,699 |
| "Second Best" Geography Edition #2 | 0 | - | 4.86 | 57,524 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.90 | 93,392 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 104,119 |
| Most Guessed Cities by Country #3 | 0 | - | 4.88 | 41,737 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 203,740 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 68,118 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 125,757 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 110,261 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 39,961 |
| Random African Capitals on a Map | 0 | - | 4.95 | 52,512 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 49,051 |
| Random European Capitals on a Map | 0 | - | 4.98 | 129,810 |
| Unusual U.S. City Names | 0 | - | 4.48 | 19,855 |
| Northernmost Major Cities | 0 | - | 4.07 | 56,021 |
| Biggest "Saint" Cities | 0 | - | 4.33 | 80,679 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 43,805 |
| Most Livable Cities | 0 | - | 4.19 | 56,593 |
| U.S. Cities With Spanish Names | 0 | - | 4.39 | 63,979 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.44 | 8,406 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 217,258 |
| Ancient City to Country | 0 | - | 4.70 | 105,289 |
| City-States | 0 | - | 4.53 | 36,420 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 52,577 |
| Damaged and Destroyed Cities | 0 | - | 4.42 | 43,747 |
| City to Country - Tile Select #1 | 0 | - | 4.73 | 36,497 |
| City Where It Happened #2 | 0 | - | 4.44 | 52,264 |
| Capitals A-Z | 0 | - | 4.75 | 44,383 |
| One-Syllable World Capital Cities | 0 | - | 4.37 | 47,143 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,662 |
| Asian Coastal Capitals | 0 | - | 4.51 | 21,465 |
| Capital Cities Nearest to Islands | 0 | - | 4.59 | 12,990 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,180 |
| World Capitals - One Minute Sprint | 0 | - | 4.19 | 219,198 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 457,930 |
| Official Cities in the UK | 0 | - | 4.89 | 267,323 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 45,456 |
| The Only Country ... | 0 | - | 4.90 | 55,249 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,815,444 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 389,245 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 49,379 |
| Word Scramble - European Capitals | 0 | - | 4.75 | 91,670 |
| Capitals by River | 0 | - | 4.56 | 47,908 |
| Name a Valid Asian Capital | 0 | - | 4.52 | 59,356 |
| World Geography on a Map #1 | 0 | - | 4.94 | 71,381 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 91,602 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,263 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 118,645 |
| Cities with the Same Name | 0 | - | 3.92 | 36,397 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,529 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 97,565 |
| North American Sports Cities | 0 | - | 4.80 | 166,605 |
| Musical Acts by City #1 | 0 | - | 4.04 | 31,164 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,794 |
| Cities by Airports | 0 | - | 4.50 | 85,647 |
| Cities by Landmark #1 | 0 | - | 4.02 | 44,528 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,224 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 97,992 |
| Closest City Pairs #2 | 0 | - | 4.57 | 28,881 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,281 |
| Largest World Cities With Five Letters | 0 | - | 4.54 | 64,334 |
| Cities Chain #2 | 0 | - | 4.42 | 55,390 |
| Cities Chain #1 | 0 | - | 4.61 | 65,272 |
| World's Biggest Financial Centers | 0 | - | 4.50 | 46,517 |
| Cities by Founder and Date | 0 | - | 4.55 | 28,664 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 64,679 |
| Cities by Initials | 0 | - | 4.10 | 24,169 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 34,200 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 133,144 |
| Most-Visited U.S. Cities | 0 | - | 4.88 | 85,448 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,502 |
| Name Any Valid U.S. City | 0 | - | 4.50 | 38,564 |
| Cities Where Famous People Died | 0 | - | 4.42 | 32,528 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 76,223 |
| City Where It Happened #1 | 0 | - | 4.26 | 105,195 |
| Capitals A-Z #2 | 0 | - | 4.42 | 26,141 |
| Sahara Desert Countries | 0 | - | 4.97 | 148,867 |
| Himalayan Countries | 0 | - | 4.94 | 125,053 |
| Andean Countries | 0 | - | 4.93 | 70,390 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 57,956 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,293 |
