| World Capitals Quiz | 0 | - | 5.00 | 5,035,647 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,500 |
| Coldest World Capitals | 0 | - | 4.95 | 133,080 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,095 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,153 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,736 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,688 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,760 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,588 |
| Countries by Capital City | 0 | - | 5.00 | 66,809 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,418 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,975 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,712 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,474 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,510 |
| Moved Capital Cities | 0 | - | 4.96 | 73,652 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,756 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,560 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,049 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,646 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,603 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,190 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,971 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,610 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,733 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,276 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,064 |
| World Capitals by Map | 0 | - | 5.00 | 283,680 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,735 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,346 |
| Random Country to Capital | 0 | - | 4.98 | 912,381 |
| Capitals Starting With H | 0 | - | 4.90 | 91,317 |
| Capitals Starting With K | 0 | - | 4.85 | 75,753 |
| Capitals Starting With L | 0 | - | 4.81 | 86,919 |
| Capitals Starting With M | 0 | - | 4.93 | 106,204 |
| Capitals Starting With P | 0 | - | 4.88 | 77,255 |
| Capitals Starting With R | 0 | - | 4.87 | 81,040 |
| Capitals Starting With S | 0 | - | 4.89 | 84,878 |
| Capitals Starting With T | 0 | - | 4.84 | 75,359 |
| Capitals Starting With W | 0 | - | 4.89 | 90,670 |
| Capitals Starting With A | 0 | - | 4.97 | 126,646 |
| Capitals Starting With B | 0 | - | 4.89 | 117,379 |
| Capitals Starting With D | 0 | - | 4.93 | 95,477 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,236 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,080 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,021 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,780 |
| Former Capitals | 0 | - | 4.88 | 71,174 |
| Europe Capital to Country | 0 | - | 4.99 | 248,137 |
| Asia Capital to Country | 0 | - | 4.96 | 125,840 |
| Capital Cities Chain | 0 | - | 4.84 | 81,977 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,626 |
| European Capitals by Map | 0 | - | 4.99 | 136,676 |
| African Capitals by Map | 0 | - | 4.99 | 132,313 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,314 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,309 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,726 |
| European Coastal Capitals | 0 | - | 4.95 | 89,867 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,225 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,199 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,068 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,456 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,877 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,061 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,141 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,652 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,202 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,735 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,493 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,263 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,241 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,319 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,761 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,576 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,938 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,979 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,400 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,085 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,824 |
| Capitals of the Stans | 0 | - | 4.95 | 26,460 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,489 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,474 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,162 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,705 |
| Top Five Capitals By Category #1 | 0 | - | 4.73 | 78,532 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,747 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,633 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,375 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,091 |
| World Capitals with a Unique First Letter | 0 | - | 4.77 | 63,291 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,723 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,722 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,935 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,961 |
| World's Biggest Financial Centers | 0 | - | 4.51 | 52,953 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,028 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,568 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,236 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,940 |
| Capitals Starting With N | 0 | - | 4.80 | 50,397 |
| Capitals Starting With V | 0 | - | 4.79 | 37,631 |
| Capitals Starting With C | 0 | - | 4.74 | 96,647 |
| North American Sports Cities | 0 | - | 4.83 | 171,012 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,947 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,090 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,805 |
| Name a City - European Countries | 0 | - | 4.92 | 64,532 |
| Cities by Former Name | 0 | - | 4.84 | 91,044 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,022 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,657 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,020 |
| Capitals by First and Last Letter | 0 | - | 4.40 | 66,445 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,464 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,825 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,797 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,378 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,639 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,322 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,678 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,952 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,851 |
| NATO Countries | 0 | - | 4.98 | 276,267 |
| EU Countries Quiz | 0 | - | 4.99 | 270,292 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,238 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,757 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,222 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,898 |
| Countries with NO Military | 0 | - | 4.97 | 61,243 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,965 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,368 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,150 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,805 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,339 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,517 |
| Capital City Etymologies | 0 | - | 4.77 | 63,044 |
| Busiest Container Ports | 0 | - | 4.11 | 37,300 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,160 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,098 |
| Southernmost Major Cities | 0 | - | 4.47 | 55,125 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,621 |
| U.S. College Towns | 0 | - | 4.47 | 29,113 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,037 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,340 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,437 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,272 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,282 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,991 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,386 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,355 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 16,011 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,686 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,596 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,377 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,800 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,210 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,337 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,017 |
| Buddhist Countries | 0 | - | 4.96 | 143,038 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,080 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,224 |
| World Currency Quiz | 0 | - | 4.92 | 298,896 |
| Official Cities in the UK | 0 | - | 4.89 | 280,862 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.08 | 12,538 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.05 | 11,760 |
| The Only Country ... | 0 | - | 4.91 | 80,015 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,152 |
| Orthodox Countries | 0 | - | 4.91 | 130,487 |
| Richest Island Countries | 0 | - | 4.84 | 99,610 |
| Battle to Country | 0 | - | 4.91 | 52,597 |
| Monarchies of Europe | 0 | - | 4.90 | 97,401 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,793 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,030 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,524 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,578 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,356 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,470 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,366 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,280 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,593 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,592 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,728 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,405 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,038 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,783 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,340 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,156 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,380 |
| Countries that Start with D | 0 | - | 4.96 | 702,278 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,371 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,742 |
| Countries that Start with H | 0 | - | 4.96 | 598,556 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,996 |
| Countries that Start with J | 0 | - | 4.98 | 596,608 |
| Countries that Start with K | 0 | - | 4.97 | 809,938 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,557 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,457 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,217 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,504 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,720 |
