| World Capitals Quiz | 0 | - | 5.00 | 5,113,326 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,115 |
| Coldest World Capitals | 0 | - | 4.95 | 134,278 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,547 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,935 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,079 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,341 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,427 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,367 |
| Countries by Capital City | 0 | - | 5.00 | 69,613 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,132 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,350 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,392 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,951 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,487 |
| Moved Capital Cities | 0 | - | 4.96 | 74,731 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,547 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,684 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,860 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,332 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,475 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,523 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,568 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,995 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,912 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,980 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,036 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,960 |
| World Capitals by Map | 0 | - | 5.00 | 289,923 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,925 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,999 |
| Random Country to Capital | 0 | - | 4.98 | 929,904 |
| Capitals Starting With H | 0 | - | 4.91 | 93,440 |
| Capitals Starting With K | 0 | - | 4.89 | 84,502 |
| Capitals Starting With L | 0 | - | 4.81 | 96,076 |
| Capitals Starting With M | 0 | - | 4.94 | 109,359 |
| Capitals Starting With P | 0 | - | 4.88 | 79,117 |
| Capitals Starting With R | 0 | - | 4.89 | 82,600 |
| Capitals Starting With S | 0 | - | 4.90 | 86,687 |
| Capitals Starting With T | 0 | - | 4.86 | 76,936 |
| Capitals Starting With W | 0 | - | 4.87 | 91,794 |
| Capitals Starting With A | 0 | - | 4.97 | 129,266 |
| Capitals Starting With B | 0 | - | 4.89 | 119,637 |
| Capitals Starting With D | 0 | - | 4.94 | 97,308 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,763 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,931 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,279 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,653 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,812 |
| Former Capitals | 0 | - | 4.88 | 71,723 |
| Europe Capital to Country | 0 | - | 4.99 | 252,547 |
| Asia Capital to Country | 0 | - | 4.96 | 127,682 |
| Capital Cities Chain | 0 | - | 4.84 | 83,513 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,262 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,728 |
| European Capitals by Map | 0 | - | 4.99 | 142,498 |
| African Capitals by Map | 0 | - | 4.99 | 142,567 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,107 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,112 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,371 |
| European Coastal Capitals | 0 | - | 4.95 | 91,480 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,265 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,248 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,196 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,237 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,246 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,710 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,471 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,599 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,577 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,625 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,356 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,713 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,306 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,786 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,484 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,900 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,655 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,056 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,008 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,861 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,114 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,279 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,812 |
| Capitals of the Stans | 0 | - | 4.95 | 27,227 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,782 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,604 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,291 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,228 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,215 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,793 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,637 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,014 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,950 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,004 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,679 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,496 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,096 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 74,027 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,297 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,579 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,505 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,165 |
| Capitals Starting With N | 0 | - | 4.80 | 51,991 |
| Capitals Starting With V | 0 | - | 4.80 | 38,719 |
| Capitals Starting With C | 0 | - | 4.78 | 99,147 |
| North American Sports Cities | 0 | - | 4.82 | 173,287 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,598 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,184 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,048 |
| Name a City - European Countries | 0 | - | 4.89 | 66,373 |
| Cities by Former Name | 0 | - | 4.83 | 92,173 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,676 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,977 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,405 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,755 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,114 |
| 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 | 22,831 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,317 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,432 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,560 |
| Majority Muslim Countries | 0 | - | 4.98 | 378,359 |
| NATO Countries | 0 | - | 4.98 | 283,951 |
| EU Countries Quiz | 0 | - | 4.99 | 278,845 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,876 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,654 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,754 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,990 |
| Countries with NO Military | 0 | - | 4.97 | 63,595 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,183 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,577 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,500 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,646 |
| Capital City Etymologies | 0 | - | 4.77 | 63,571 |
| 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 | 47,239 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,829 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,666 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,055 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,760 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,328 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,691 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,970 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 16,109 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,392 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,916 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,454 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,272 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,242 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,318 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,334 |
| Buddhist Countries | 0 | - | 4.96 | 145,241 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,299 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,960 |
| World Currency Quiz | 0 | - | 4.92 | 307,496 |
| Official Cities in the UK | 0 | - | 4.89 | 286,828 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.11 | 12,936 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.07 | 12,068 |
| The Only Country ... | 0 | - | 4.91 | 82,039 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,615 |
| Orthodox Countries | 0 | - | 4.92 | 132,942 |
| Richest Island Countries | 0 | - | 4.85 | 101,346 |
| Battle to Country | 0 | - | 4.91 | 54,099 |
| Monarchies of Europe | 0 | - | 4.90 | 99,020 |
| Monarchies of Asia | 0 | - | 4.97 | 71,600 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,594 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 227,438 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 194,007 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,328 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,885 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,346 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,352 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,363 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,662 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,764 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,056 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,522 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,134 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,212 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,235 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,845 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,315 |
| Countries that Start with D | 0 | - | 4.96 | 717,710 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,564 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,129 |
| Countries that Start with H | 0 | - | 4.96 | 610,474 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,740 |
| Countries that Start with J | 0 | - | 4.98 | 607,855 |
| Countries that Start with K | 0 | - | 4.97 | 821,679 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,004 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,068 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,240 |
