| World Capitals Quiz | 0 | - | 5.00 | 5,025,156 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,765 |
| Coldest World Capitals | 0 | - | 4.95 | 132,979 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,803 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,026 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,558 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,506 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,473 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,202 |
| Countries by Capital City | 0 | - | 5.00 | 66,443 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,218 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,802 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,916 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,329 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,247 |
| Moved Capital Cities | 0 | - | 4.96 | 73,504 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,650 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,388 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,000 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,345 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,380 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,300 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,743 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,631 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,183 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,760 |
| World Capitals by Map | 0 | - | 5.00 | 282,779 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,595 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,043 |
| Random Country to Capital | 0 | - | 4.98 | 910,392 |
| Capitals Starting With H | 0 | - | 4.90 | 88,113 |
| Capitals Starting With K | 0 | - | 4.85 | 75,444 |
| Capitals Starting With M | 0 | - | 4.93 | 105,725 |
| Capitals Starting With P | 0 | - | 4.88 | 76,967 |
| Capitals Starting With R | 0 | - | 4.87 | 80,771 |
| Capitals Starting With S | 0 | - | 4.89 | 84,572 |
| Capitals Starting With T | 0 | - | 4.84 | 75,111 |
| Capitals Starting With W | 0 | - | 4.89 | 90,434 |
| Capitals Starting With A | 0 | - | 4.97 | 126,235 |
| Capitals Starting With B | 0 | - | 4.89 | 117,001 |
| Capitals Starting With D | 0 | - | 4.93 | 95,094 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,147 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,783 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,942 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,481 |
| Former Capitals | 0 | - | 4.88 | 71,074 |
| Europe Capital to Country | 0 | - | 4.99 | 247,262 |
| Asia Capital to Country | 0 | - | 4.96 | 125,604 |
| Capital Cities Chain | 0 | - | 4.84 | 81,794 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,269 |
| European Capitals by Map | 0 | - | 4.99 | 135,899 |
| African Capitals by Map | 0 | - | 4.99 | 132,036 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,950 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,062 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,628 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,333 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,511 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,680 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,854 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,742 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,462 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,525 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,999 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,251 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,776 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,856 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,130 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,058 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,693 |
| Capitals of the Stans | 0 | - | 4.95 | 26,362 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,289 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,452 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,147 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,644 |
| Top Five Capitals By Category #1 | 0 | - | 4.72 | 78,157 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,524 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,487 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,951 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,664 |
| World Capitals with a Unique First Letter | 0 | - | 4.78 | 63,217 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,558 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,561 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,945 |
| World's Biggest Financial Centers | 0 | - | 4.50 | 48,080 |
| Nearest Capital City #2 | 0 | - | 4.56 | 38,994 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,205 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,823 |
| Capitals Starting With L | 0 | - | 4.81 | 86,603 |
| Capitals Starting With N | 0 | - | 4.80 | 50,126 |
| Capitals Starting With V | 0 | - | 4.79 | 37,430 |
| Capitals Starting With C | 0 | - | 4.74 | 96,237 |
| North American Sports Cities | 0 | - | 4.83 | 170,740 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,675 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,631 |
| Name a City - European Countries | 0 | - | 4.92 | 64,258 |
| Cities by Former Name | 0 | - | 4.84 | 90,859 |
| National Subdivisions by Capital | 0 | - | 4.36 | 98,844 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,624 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 74,970 |
| Capitals by First and Last Letter | 0 | - | 4.40 | 66,408 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,351 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,770 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,769 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,367 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,604 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,573 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| Majority Muslim Countries | 0 | - | 4.98 | 367,963 |
| NATO Countries | 0 | - | 4.98 | 275,051 |
| EU Countries Quiz | 0 | - | 4.99 | 269,385 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,429 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 267,618 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,744 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,551 |
| Countries with NO Military | 0 | - | 4.97 | 61,046 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,823 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,352 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,055 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,260 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,321 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,377 |
| Capital City Etymologies | 0 | - | 4.77 | 62,972 |
| Busiest Container Ports | 0 | - | 4.11 | 37,256 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,135 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,050 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,051 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,537 |
| U.S. College Towns | 0 | - | 4.47 | 29,085 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,009 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,255 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,234 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,078 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,840 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,635 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,262 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,930 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 15,992 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 483,854 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,232 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,128 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,593 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 73,983 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,510 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,788 |
| Buddhist Countries | 0 | - | 4.96 | 142,816 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,391 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 121,806 |
| World Currency Quiz | 0 | - | 4.92 | 297,728 |
| Official Cities in the UK | 0 | - | 4.89 | 280,102 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.08 | 12,530 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.05 | 11,752 |
| The Only Country ... | 0 | - | 4.91 | 79,698 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,864 |
| Orthodox Countries | 0 | - | 4.91 | 130,244 |
| Richest Island Countries | 0 | - | 4.84 | 99,357 |
| Battle to Country | 0 | - | 4.91 | 52,423 |
| Monarchies of Europe | 0 | - | 4.90 | 97,194 |
| Monarchies of Asia | 0 | - | 4.97 | 70,531 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,232 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,511 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,057 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,246 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,858 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,375 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,144 |
| Countries with the Most Exports | 0 | - | 4.96 | 153,988 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,301 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,434 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,519 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,660 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,789 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,578 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,456 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,850 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,631 |
| Countries that Start with D | 0 | - | 4.96 | 700,427 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,181 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,358 |
| Countries that Start with H | 0 | - | 4.96 | 596,991 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,110 |
| Countries that Start with J | 0 | - | 4.98 | 595,057 |
| Countries that Start with K | 0 | - | 4.96 | 808,552 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,850 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,698 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,542 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,093 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,373 |
