| World Capitals Quiz | 0 | - | 5.00 | 5,113,542 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,185 |
| Coldest World Capitals | 0 | - | 4.95 | 134,282 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,551 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,937 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,082 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,346 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,436 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,372 |
| Countries by Capital City | 0 | - | 5.00 | 69,620 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,140 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,351 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,404 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,954 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,491 |
| Moved Capital Cities | 0 | - | 4.96 | 74,732 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,549 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,686 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,860 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,333 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,482 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,524 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,570 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,035 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,949 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,981 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,039 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,963 |
| World Capitals by Map | 0 | - | 5.00 | 289,940 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,927 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,072 |
| Random Country to Capital | 0 | - | 4.98 | 929,942 |
| Capitals Starting With H | 0 | - | 4.91 | 93,446 |
| Capitals Starting With K | 0 | - | 4.89 | 84,506 |
| Capitals Starting With L | 0 | - | 4.81 | 96,083 |
| Capitals Starting With M | 0 | - | 4.94 | 109,365 |
| Capitals Starting With P | 0 | - | 4.88 | 79,119 |
| Capitals Starting With R | 0 | - | 4.89 | 82,604 |
| Capitals Starting With S | 0 | - | 4.90 | 86,690 |
| Capitals Starting With T | 0 | - | 4.86 | 76,940 |
| Capitals Starting With W | 0 | - | 4.87 | 91,795 |
| Capitals Starting With A | 0 | - | 4.97 | 129,272 |
| Capitals Starting With B | 0 | - | 4.89 | 119,642 |
| Capitals Starting With D | 0 | - | 4.94 | 97,310 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,765 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,934 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,291 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,655 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,817 |
| Former Capitals | 0 | - | 4.88 | 71,727 |
| Europe Capital to Country | 0 | - | 4.99 | 252,564 |
| Asia Capital to Country | 0 | - | 4.96 | 127,688 |
| Capital Cities Chain | 0 | - | 4.84 | 83,516 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,270 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,732 |
| European Capitals by Map | 0 | - | 4.99 | 142,509 |
| African Capitals by Map | 0 | - | 4.99 | 142,596 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,110 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,119 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,378 |
| European Coastal Capitals | 0 | - | 4.95 | 91,486 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,266 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,260 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,264 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,240 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,248 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,716 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,476 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,602 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,596 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,640 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,363 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,716 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,315 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,790 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,487 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,900 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,658 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,058 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,009 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,863 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,128 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,280 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,813 |
| Capitals of the Stans | 0 | - | 4.95 | 27,227 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,787 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,605 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,292 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,230 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,218 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,797 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,641 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,015 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,959 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,006 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,682 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,502 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,099 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,030 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,297 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,582 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,506 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,176 |
| Capitals Starting With N | 0 | - | 4.80 | 51,995 |
| Capitals Starting With V | 0 | - | 4.80 | 38,722 |
| Capitals Starting With C | 0 | - | 4.78 | 99,152 |
| North American Sports Cities | 0 | - | 4.82 | 173,289 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,601 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,191 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,050 |
| Name a City - European Countries | 0 | - | 4.89 | 66,376 |
| Cities by Former Name | 0 | - | 4.83 | 92,178 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,679 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,977 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,406 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,755 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,116 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,202 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,051 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,474 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,832 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,318 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,432 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,563 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,371 |
| NATO Countries | 0 | - | 4.98 | 283,975 |
| EU Countries Quiz | 0 | - | 4.99 | 278,869 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,892 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,719 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,764 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,005 |
| Countries with NO Military | 0 | - | 4.97 | 63,602 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,186 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,578 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,500 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,652 |
| Capital City Etymologies | 0 | - | 4.77 | 63,575 |
| Busiest Container Ports | 0 | - | 4.11 | 37,526 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,340 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,501 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,782 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,148 |
| U.S. College Towns | 0 | - | 4.47 | 29,317 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,240 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,832 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,671 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,061 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,771 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,341 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,694 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,975 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 16,110 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,398 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,925 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,461 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,275 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,246 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,339 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,340 |
| Buddhist Countries | 0 | - | 4.96 | 145,250 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,310 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,965 |
| World Currency Quiz | 0 | - | 4.92 | 307,525 |
| Official Cities in the UK | 0 | - | 4.89 | 286,837 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.11 | 12,937 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.07 | 12,069 |
| The Only Country ... | 0 | - | 4.91 | 82,043 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,621 |
| Orthodox Countries | 0 | - | 4.92 | 132,949 |
| Richest Island Countries | 0 | - | 4.85 | 101,351 |
| Battle to Country | 0 | - | 4.91 | 54,104 |
| Monarchies of Europe | 0 | - | 4.90 | 99,022 |
| Monarchies of Asia | 0 | - | 4.97 | 71,600 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,605 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,443 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,015 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,334 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,893 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,349 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,356 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,371 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,669 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,838 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,060 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,540 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,142 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,220 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,311 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,915 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,374 |
| Countries that Start with D | 0 | - | 4.96 | 717,752 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,620 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,177 |
| Countries that Start with H | 0 | - | 4.96 | 610,502 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,791 |
| Countries that Start with J | 0 | - | 4.98 | 607,884 |
| Countries that Start with K | 0 | - | 4.97 | 821,711 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,043 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,107 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,270 |
