| World Capitals Quiz | 0 | - | 5.00 | 4,544,076 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,398,785 |
| Coldest World Capitals | 0 | - | 4.96 | 128,459 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,231 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,407 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,144 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,304 |
| Same Letter Country and Capital | 0 | - | 4.99 | 129,017 |
| Countries by Capital City | 0 | - | 4.99 | 50,681 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,677 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,771 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,860 |
| Moved Capital Cities | 0 | - | 4.96 | 67,617 |
| Capitals A-Z | 0 | - | 4.85 | 42,092 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.90 | 90,429 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 89,026 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 85,627 |
| Capital Cities with the Least Precipitation | 0 | - | 4.90 | 27,547 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,661 |
| Africa Capitals Quiz | 0 | - | 4.99 | 643,064 |
| Asia Capitals Quiz | 0 | - | 4.98 | 601,746 |
| Capitals in their Native Languages | 0 | - | 4.94 | 127,803 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,752 |
| World Capitals by Proximity | 0 | - | 4.89 | 302,026 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 49,128 |
| World Capitals by Map | 0 | - | 5.00 | 245,331 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,756 |
| Random Capital to Country | 0 | - | 4.99 | 2,382,286 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 115,993 |
| Random Country to Capital | 0 | - | 4.98 | 810,201 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,754 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,415 |
| World Capitals By Letter - M | 0 | - | 4.89 | 86,652 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,608 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,766 |
| World Capitals By Letter - S | 0 | - | 4.89 | 75,077 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,930 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,770 |
| World Capitals By Letter - A | 0 | - | 4.96 | 105,554 |
| World Capitals By Letter - B | 0 | - | 4.85 | 97,588 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,750 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 119,299 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,352 |
| Europe Capital to Country | 0 | - | 4.99 | 222,106 |
| Asia Capital to Country | 0 | - | 4.96 | 106,608 |
| Capital Cities Chain | 0 | - | 4.86 | 72,098 |
| EU Capitals with No Hints | 0 | - | 4.96 | 126,202 |
| European Capitals by Map | 0 | - | 4.99 | 96,359 |
| African Capitals by Map | 0 | - | 4.99 | 112,652 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,336 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,913 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,289 |
| European Coastal Capitals | 0 | - | 4.95 | 78,037 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,166 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 231,964 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 195,976 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,501 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,377 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 79,577 |
| South America Capitals Quiz | 0 | - | 5.00 | 430,708 |
| Top 10 Hottest European Capitals | 0 | - | 4.59 | 31,664 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 40,563 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,662 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,083 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,994 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,579 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,688 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,521 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 67,403 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,124 |
| Flags to Capitals #1 | 0 | - | 4.97 | 49,759 |
| Flags to Capitals #2 | 0 | - | 4.95 | 37,359 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,731 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,511 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 53,498 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.44 | 49,316 |
| Capitals Based on Last Two Letters | 0 | - | 4.47 | 55,763 |
| Top Five Capitals By Category #1 | 0 | - | 4.58 | 53,617 |
| Top Five Capitals By Category #2 | 0 | - | 4.55 | 45,920 |
| Most Expensive Capital Cities | 0 | - | 4.54 | 73,361 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,469 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,171 |
| Random World Capitals on a Map | 0 | - | 4.92 | 115,567 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 80,585 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,113 |
| Hottest Capital Cities | 0 | - | 4.46 | 30,017 |
| World's Biggest Financial Centers | 0 | - | 4.48 | 43,716 |
| Capital of What | 0 | - | 4.34 | 92,151 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.33 | 72,275 |
| Nearest Capital City #2 | 0 | - | 4.53 | 37,252 |
| Capitals by First and Last Letter | 0 | - | 4.37 | 64,149 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,147 |
| World Capitals with the Most International Tourists | 0 | - | 4.48 | 51,601 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,844 |
| Capital Cities Closest to the Equator | 0 | - | 4.57 | 14,853 |
| Double Trouble Capital Cities | 0 | - | 4.55 | 9,704 |
| World Capitals By Letter - L | 0 | - | 4.75 | 77,707 |
| World Capitals By Letter - N | 0 | - | 4.66 | 41,888 |
| World Capitals By Letter - C | 0 | - | 4.76 | 72,840 |
| Single Vowel Capitals | 0 | - | 4.76 | 12,854 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,399 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,023 |
| Cities by Former Name | 0 | - | 4.86 | 72,191 |
| NATO Countries Quiz | 0 | - | 4.98 | 228,020 |
| EU Countries Quiz | 0 | - | 4.99 | 230,152 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 228,235 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 232,717 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,566 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 126,905 |
| Countries with NO Military | 0 | - | 4.97 | 50,444 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,359 |
| Cities With the Most Billionaires | 0 | - | 4.76 | 97,608 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 92,304 |
| Solve the Secret Capital City | 0 | - | 4.78 | 139,907 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,331 |
| World Capitals on an Empty Map | 0 | - | 4.55 | 47,599 |
| Capital City Etymologies | 0 | - | 4.76 | 50,308 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,713 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,523 |
| Random European Capitals on a Map | 0 | - | 4.98 | 108,217 |
| Busiest Container Ports Quiz | 0 | - | 4.12 | 35,831 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,996 |
| Most Educated Cities in the United States | 0 | - | 4.29 | 73,335 |
| Global Cities Quiz | 0 | - | 4.64 | 157,518 |
| Southernmost Major Cities | 0 | - | 4.42 | 45,405 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.46 | 68,847 |
| U.S. College Towns #1 | 0 | - | 4.45 | 27,855 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,456 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.42 | 35,079 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 90,257 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,755 |
| Cities by Place of Worship - Picture Quiz | 0 | - | 4.41 | 29,330 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 194,660 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 57,949 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 105,190 |
| Hottest Capital Cities with Exceptions | 0 | - | 4.21 | 15,370 |
| Majority Muslim Countries | 0 | - | 4.97 | 315,978 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,224 |
| Countries with the Most Tanks | 0 | - | 4.89 | 76,330 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,233 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,067 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 73,987 |
| Buddhist Countries | 0 | - | 4.96 | 131,724 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,303 |
| World Currency Quiz | 0 | - | 4.92 | 249,566 |
| Word Scramble - National Capitals | 0 | - | 4.21 | 424,707 |
| Lonely Planet Top 200 Cities | 0 | - | 4.58 | 210,786 |
| Ancient City to Country | 0 | - | 4.76 | 101,573 |
| Official Cities in the UK | 0 | - | 4.86 | 235,003 |
| City-States | 0 | - | 4.54 | 35,041 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 50,264 |
| Most Guessed Cities by Country #3 | 0 | - | 4.86 | 20,812 |
| Damaged and Destroyed Cities | 0 | - | 4.41 | 42,096 |
| City Where It Happened #2 | 0 | - | 4.44 | 50,474 |
| Capitals A-Z #2 | 0 | - | 4.40 | 25,392 |
| One-Syllable World Capital Cities | 0 | - | 4.40 | 45,907 |
| Capital Cities Breakdown Puzzle #1 | 0 | - | 4.15 | 11,854 |
| Asian Coastal Capitals | 0 | - | 4.54 | 20,376 |
| Capital Cities Nearest to Islands | 0 | - | 4.59 | 12,532 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,870 |
| Word Scramble - European Capitals | 0 | - | 4.79 | 87,874 |
| Add A Letter - Make a Capital City | 0 | - | 4.47 | 31,006 |
| Capitals by River | 0 | - | 4.64 | 47,240 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.63 | 13,969 |
| World Capitals - One Minute Sprint | 0 | - | 4.17 | 205,586 |
| The Only Country ... | 0 | - | 4.88 | 47,416 |
| Catholic Countries Quiz | 0 | - | 4.82 | 197,784 |
| Countries with the Most Catholics | 0 | - | 4.91 | 94,812 |
| Orthodox Countries | 0 | - | 4.91 | 118,824 |
| Richest Island Countries | 0 | - | 4.87 | 88,740 |
| Battle to Country | 0 | - | 4.92 | 36,335 |
| Monarchies of Europe | 0 | - | 4.88 | 87,735 |
| Monarchies of Asia | 0 | - | 4.95 | 54,514 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 286,681 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 209,557 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 200,433 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 170,721 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,322 |
| Countries with the Most Billionaires | 0 | - | 4.94 | 283,746 |
| Countries with the Most Muslims | 0 | - | 4.93 | 132,958 |
| Countries with the Most Exports | 0 | - | 4.96 | 139,184 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 163,999 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,195 |
| Largest Economies in 2050 | 0 | - | 4.89 | 100,885 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 241,136 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 90,548 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 67,421 |
| Countries that Start with A | 0 | - | 4.98 | 1,963,362 |
| Countries that Start with B | 0 | - | 4.95 | 2,102,306 |
| Countries that Start with C | 0 | - | 4.96 | 1,663,425 |
| Countries that Start with D | 0 | - | 4.96 | 603,939 |
| Countries that Start with E | 0 | - | 4.95 | 1,245,350 |
| Countries that Start with G | 0 | - | 4.97 | 1,365,336 |
| Countries that Start with H | 0 | - | 4.96 | 515,164 |
| Countries that Start with I | 0 | - | 4.92 | 1,174,148 |
| Countries that Start with J | 0 | - | 4.98 | 517,821 |
| Countries that Start with K | 0 | - | 4.96 | 723,158 |
| Countries that Start with L | 0 | - | 4.98 | 982,664 |
| Countries that Start with N | 0 | - | 4.93 | 1,009,080 |
| Countries that Start with P | 0 | - | 4.95 | 1,111,438 |
