| World Capitals Quiz | 0 | - | 5.00 | 5,081,520 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,769 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,473 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,517 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,635 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,436 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,245 |
| Countries by Capital City | 0 | - | 5.00 | 68,567 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,323 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,779 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,351 |
| Moved Capital Cities | 0 | - | 4.96 | 74,307 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,622 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,953 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,520 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,023 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,459 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,736 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,350 |
| World Capitals by Map | 0 | - | 5.00 | 287,260 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,428 |
| Capitals Starting With H | 0 | - | 4.91 | 92,682 |
| Capitals Starting With K | 0 | - | 4.88 | 83,732 |
| Capitals Starting With L | 0 | - | 4.81 | 88,214 |
| Capitals Starting With M | 0 | - | 4.93 | 108,010 |
| Capitals Starting With P | 0 | - | 4.88 | 78,316 |
| Capitals Starting With R | 0 | - | 4.87 | 81,954 |
| Capitals Starting With S | 0 | - | 4.90 | 85,923 |
| Capitals Starting With T | 0 | - | 4.84 | 76,276 |
| Capitals Starting With W | 0 | - | 4.87 | 91,379 |
| Capitals Starting With A | 0 | - | 4.97 | 128,230 |
| Capitals Starting With B | 0 | - | 4.89 | 118,666 |
| Capitals Starting With D | 0 | - | 4.93 | 96,591 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,189 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,300 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,845 |
| Random Country to Capital | 0 | - | 4.98 | 922,293 |
| Former Capitals | 0 | - | 4.88 | 71,506 |
| Europe Capital to Country | 0 | - | 4.99 | 250,744 |
| Asia Capital to Country | 0 | - | 4.96 | 126,812 |
| Capital Cities Chain | 0 | - | 4.83 | 82,895 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,127 |
| European Capitals by Map | 0 | - | 4.99 | 139,791 |
| African Capitals by Map | 0 | - | 4.99 | 134,085 |
| Coldest World Capitals | 0 | - | 4.95 | 133,633 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,596 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,248 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,580 |
| European Coastal Capitals | 0 | - | 4.95 | 90,762 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,653 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,639 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,403 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,901 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,717 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,067 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,696 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,557 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,582 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,249 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,972 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,245 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,408 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,654 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,172 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,470 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,292 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,976 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,717 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,601 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,165 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,159 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,193 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,265 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,234 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,528 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,558 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,491 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,192 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,832 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,222 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,376 |
| Capitals of the Stans | 0 | - | 4.95 | 26,901 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,390 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,213 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,320 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,824 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,619 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,700 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,473 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,265 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,510 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,253 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,175 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,633 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,847 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,368 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,435 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,741 |
| Capitals Starting With N | 0 | - | 4.80 | 51,301 |
| Capitals Starting With V | 0 | - | 4.79 | 38,271 |
| Capitals Starting With C | 0 | - | 4.78 | 98,139 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,194 |
| North American Sports Cities | 0 | - | 4.83 | 172,586 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,375 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,508 |
| Name a City - European Countries | 0 | - | 4.90 | 65,556 |
| Name a Valid World City | 0 | - | 4.83 | 71,401 |
| Cities by Former Name | 0 | - | 4.83 | 91,674 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,694 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,574 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,626 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,386 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,347 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,346 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,254 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,454 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,926 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,167 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,358 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,739 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,032 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,446 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,162 |
| Capital City Etymologies | 0 | - | 4.77 | 63,371 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,907 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,059 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,881 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,198 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,604 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,901 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,125 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,405 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,332 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,039 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,910 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,112 |
| Boundary Waters | 0 | - | 4.92 | 88,547 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,228 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,228 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,657 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,572 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,536 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,853 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,542 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,535 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,489 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,082 |
| Ancient City to Country | 0 | - | 4.70 | 108,113 |
| Official Cities in the UK | 0 | - | 4.89 | 284,339 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,161 |
| City-States | 0 | - | 4.53 | 37,295 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,578 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,186 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,707 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,931 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,203 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,141 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,626 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,142 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,993 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,040 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,197 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,320 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,024 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,577 |
| The Only Country ... | 0 | - | 4.91 | 81,333 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,377 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,280 |
| Capitals by River | 0 | - | 4.55 | 48,338 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,724 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,558,204 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,290 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,374 |
| Cities by Airports | 0 | - | 4.49 | 88,802 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,102 |
| Cities Chain #2 | 0 | - | 4.42 | 56,419 |
| Cities Chain #1 | 0 | - | 4.61 | 66,671 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,661 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,330 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,237 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,989 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,124 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,663 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,182 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,955 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,155 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,829 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,939 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,023 |
| World Capitals by a Single Clue #4 | 0 | - | 4.41 | 45,444 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,275 |
| Landlocked Countries | 0 | - | 4.99 | 421,662 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,972 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,692 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,988 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,365 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,370 |
| Cities with the Same Name | 0 | - | 3.94 | 36,691 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,816 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,406 |
