| World Capitals Quiz | 0 | - | 5.00 | 5,066,873 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,025 |
| Coldest World Capitals | 0 | - | 4.95 | 133,503 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,677 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,940 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,042 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,484 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,287 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,353 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,054 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,747 |
| Countries by Capital City | 0 | - | 5.00 | 68,035 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,037 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,526 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,878 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,030 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,266 |
| Moved Capital Cities | 0 | - | 4.96 | 74,104 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,108 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,991 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,465 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,161 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,840 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,380 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,800 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,547 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,698 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,348 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,606 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,008 |
| World Capitals by Map | 0 | - | 5.00 | 285,831 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,212 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,179 |
| Random Country to Capital | 0 | - | 4.98 | 919,203 |
| Capitals Starting With H | 0 | - | 4.91 | 92,391 |
| Capitals Starting With K | 0 | - | 4.88 | 82,991 |
| Capitals Starting With L | 0 | - | 4.81 | 87,907 |
| Capitals Starting With M | 0 | - | 4.93 | 107,559 |
| Capitals Starting With P | 0 | - | 4.88 | 78,042 |
| Capitals Starting With R | 0 | - | 4.87 | 81,686 |
| Capitals Starting With S | 0 | - | 4.90 | 85,627 |
| Capitals Starting With T | 0 | - | 4.85 | 76,043 |
| Capitals Starting With W | 0 | - | 4.87 | 91,206 |
| Capitals Starting With A | 0 | - | 4.97 | 127,690 |
| Capitals Starting With B | 0 | - | 4.89 | 118,295 |
| Capitals Starting With D | 0 | - | 4.93 | 96,275 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,968 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,250 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,761 |
| Former Capitals | 0 | - | 4.88 | 71,403 |
| Europe Capital to Country | 0 | - | 4.99 | 249,759 |
| Asia Capital to Country | 0 | - | 4.96 | 126,543 |
| Capital Cities Chain | 0 | - | 4.83 | 82,593 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,704 |
| European Capitals by Map | 0 | - | 4.99 | 138,810 |
| African Capitals by Map | 0 | - | 4.99 | 133,515 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,175 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,959 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,304 |
| European Coastal Capitals | 0 | - | 4.95 | 90,459 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,529 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,475 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,713 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,778 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,452 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,763 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 66,845 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,730 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,358 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,347 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,945 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,086 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,868 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,754 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,623 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,116 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,206 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,351 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,327 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,409 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,162 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,218 |
| Capitals of the Stans | 0 | - | 4.95 | 26,795 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,961 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,530 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,224 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,869 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,621 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,840 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,983 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,430 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,193 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,234 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,093 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,957 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,011 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,670 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,126 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.08 | 12,667 |
| Capital Cities Breakdown Puzzle #2 | 0 | - | 4.05 | 11,882 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,309 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,333 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,471 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,384 |
| Capitals Starting With N | 0 | - | 4.80 | 51,073 |
| Capitals Starting With V | 0 | - | 4.79 | 38,088 |
| Capitals Starting With C | 0 | - | 4.79 | 97,707 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,869 |
| North American Sports Cities | 0 | - | 4.83 | 172,196 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,282 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,854 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,296 |
| Name a City - European Countries | 0 | - | 4.90 | 65,270 |
| Name a Valid World City | 0 | - | 4.83 | 71,046 |
| Cities by Former Name | 0 | - | 4.83 | 91,483 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,305 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,775 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,179 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,570 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,724 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,972 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,419 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,715 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,693 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,939 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,549 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,596 |
| NATO Countries | 0 | - | 4.98 | 279,611 |
| EU Countries Quiz | 0 | - | 4.99 | 273,265 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,736 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,302 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,943 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,122 |
| Countries with NO Military | 0 | - | 4.97 | 62,054 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,449 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,436 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,340 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,476 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,417 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,001 |
| Capital City Etymologies | 0 | - | 4.77 | 63,258 |
| Busiest Container Ports | 0 | - | 4.11 | 37,391 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,230 |
| Most Educated Cities in the United States | 0 | - | 4.30 | 76,268 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,328 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,829 |
| U.S. College Towns | 0 | - | 4.47 | 29,204 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,126 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,526 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,504 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,854 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,781 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,923 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,727 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,053 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.22 | 16,056 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,421 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,932 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,232 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,431 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,700 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,136 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,999 |
| Buddhist Countries | 0 | - | 4.96 | 144,176 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,110 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,319 |
| World Currency Quiz | 0 | - | 4.91 | 302,298 |
| Official Cities in the UK | 0 | - | 4.89 | 283,291 |
| The Only Country ... | 0 | - | 4.91 | 80,871 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,212 |
| Orthodox Countries | 0 | - | 4.92 | 131,414 |
| Richest Island Countries | 0 | - | 4.84 | 100,377 |
| Battle to Country | 0 | - | 4.91 | 53,222 |
| Monarchies of Europe | 0 | - | 4.90 | 98,019 |
| Monarchies of Asia | 0 | - | 4.97 | 71,021 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,745 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,730 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,939 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,653 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,213 |
| Countries Hidden in a Letter #1 | 0 | - | 5.00 | 48,112 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,809 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,232 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,219 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,525 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,336 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,336 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,810 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,149 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,429 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,161 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,010 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,124 |
| Countries that Start with D | 0 | - | 4.96 | 708,240 |
| Countries that Start with E | 0 | - | 4.95 | 1,375,586 |
| Countries that Start with G | 0 | - | 4.97 | 1,501,299 |
| Countries that Start with H | 0 | - | 4.96 | 603,623 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,755 |
| Countries that Start with J | 0 | - | 4.98 | 601,419 |
| Countries that Start with K | 0 | - | 4.97 | 814,766 |
