| Capital Cities by Body of Water | 0 | - | 4.85 | 57,917 |
| World Capitals Quiz | 0 | - | 5.00 | 5,116,732 |
| Capitals by River | 0 | - | 4.55 | 48,410 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,334 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,088 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 51,045 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,630 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,127 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,393 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,524 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,486 |
| Countries by Capital City | 0 | - | 5.00 | 69,712 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,237 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,403 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,613 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,009 |
| Moved Capital Cities | 0 | - | 4.96 | 74,761 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,880 |
| African Great Lakes | 0 | - | 4.82 | 67,168 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,437 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,371 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,111 |
| Random Country to Capital | 0 | - | 4.98 | 930,815 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,612 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,000 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,064 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,011 |
| World Capitals by Map | 0 | - | 5.00 | 290,154 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,971 |
| Capitals Starting With H | 0 | - | 4.91 | 93,490 |
| Capitals Starting With K | 0 | - | 4.89 | 84,545 |
| Capitals Starting With L | 0 | - | 4.81 | 96,144 |
| Capitals Starting With M | 0 | - | 4.94 | 109,435 |
| Capitals Starting With P | 0 | - | 4.88 | 79,155 |
| Capitals Starting With R | 0 | - | 4.89 | 82,639 |
| Capitals Starting With S | 0 | - | 4.90 | 86,730 |
| Capitals Starting With T | 0 | - | 4.86 | 76,979 |
| Capitals Starting With W | 0 | - | 4.87 | 91,815 |
| Capitals Starting With A | 0 | - | 4.97 | 129,337 |
| Capitals Starting With B | 0 | - | 4.89 | 119,699 |
| Capitals Starting With D | 0 | - | 4.94 | 97,352 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,417 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,848 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,679 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,768 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,785 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| Europe Capital to Country | 0 | - | 4.99 | 252,709 |
| Asia Capital to Country | 0 | - | 4.96 | 127,744 |
| Capital Cities Chain | 0 | - | 4.84 | 83,571 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,376 |
| European Capitals by Map | 0 | - | 4.99 | 142,687 |
| African Capitals by Map | 0 | - | 4.99 | 142,690 |
| Coldest World Capitals | 0 | - | 4.95 | 134,353 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,165 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,184 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,444 |
| European Coastal Capitals | 0 | - | 4.95 | 91,544 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,293 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,487 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,838 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,270 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,290 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,775 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,018 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,473 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,857 |
| Rivers of the United States | 0 | - | 4.93 | 66,829 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,965 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,819 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,399 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,759 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,387 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,836 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,531 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,587 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,703 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,585 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,104 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,055 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,912 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,743 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,222 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,346 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,853 |
| Capitals of the Stans | 0 | - | 4.95 | 27,259 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,852 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,606 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,298 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,260 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,273 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,846 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,684 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,590 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,148 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,087 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,598 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,045 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,729 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,519 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,574 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,650 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,961 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,198 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,407 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,302 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,220 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,512 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,360 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,465 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,611 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,719 |
| Capitals Starting With N | 0 | - | 4.80 | 52,027 |
| Capitals Starting With V | 0 | - | 4.80 | 38,743 |
| Capitals Starting With C | 0 | - | 4.78 | 99,218 |
| South China Sea Countries | 0 | - | 4.78 | 57,893 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,645 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,854 |
| North American Sports Cities | 0 | - | 4.82 | 173,352 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,619 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,089 |
| Name a City - European Countries | 0 | - | 4.89 | 66,454 |
| Cities by Former Name | 0 | - | 4.83 | 92,220 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,697 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,416 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,768 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,139 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,782 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,505 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,475 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,682 |
| Capital City Etymologies | 0 | - | 4.77 | 63,591 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,841 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,288 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,808 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,928 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,848 |
| African Physical Geography | 0 | - | 4.51 | 31,847 |
| Asian Physical Geography | 0 | - | 4.61 | 35,647 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,844 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,735 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,116 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,916 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,430 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,865 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,731 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,801 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,704 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,327 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,817 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,167 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,245 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,022 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,729 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 48,014 |
| Landforms by Country | 0 | - | 4.52 | 52,033 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,097 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,241 |
| Sea in the Answers | 0 | - | 4.08 | 49,219 |
| Official Cities in the UK | 0 | - | 4.89 | 287,055 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,513 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,298 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,123 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,109 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,308 |
| Capital Cities Nearest to Islands | 0 | - | 4.57 | 13,382 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,557 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,657 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,264 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 237,111 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,144 |
| The Only Country ... | 0 | - | 4.91 | 82,116 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,298 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,781 |
| Geological Extremes | 0 | - | 4.34 | 40,129 |
| European Physical Geography | 0 | - | 4.26 | 33,621 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,954 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,851 |
| Ancient City to Country | 0 | - | 4.72 | 108,418 |
| City-States | 0 | - | 4.53 | 37,444 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,560 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,166 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,866 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,032 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,371 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,310 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,522 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,364 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,988 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,064 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,157 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,675 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,424 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,838 |
| Boundary Waters | 0 | - | 4.92 | 88,870 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,484 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,896 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,632 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,101 |
