| Capital Cities by Body of Water | 0 | - | 4.85 | 57,739 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,804 |
| Capitals by River | 0 | - | 4.55 | 48,347 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,595 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,660 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,777 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,591 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,587 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,720 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,549 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,405 |
| Countries by Capital City | 0 | - | 5.00 | 68,696 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,407 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,850 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,283 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,444 |
| Moved Capital Cities | 0 | - | 4.96 | 74,378 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,660 |
| African Great Lakes | 0 | - | 4.82 | 66,544 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,060 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,044 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,262 |
| Random Country to Capital | 0 | - | 4.98 | 923,224 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,100 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,504 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,774 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,435 |
| World Capitals by Map | 0 | - | 5.00 | 287,599 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,502 |
| Capitals Starting With H | 0 | - | 4.91 | 92,756 |
| Capitals Starting With K | 0 | - | 4.88 | 83,809 |
| Capitals Starting With L | 0 | - | 4.81 | 88,278 |
| Capitals Starting With M | 0 | - | 4.93 | 108,116 |
| Capitals Starting With P | 0 | - | 4.88 | 78,380 |
| Capitals Starting With R | 0 | - | 4.87 | 82,002 |
| Capitals Starting With S | 0 | - | 4.90 | 85,986 |
| Capitals Starting With T | 0 | - | 4.84 | 76,338 |
| Capitals Starting With W | 0 | - | 4.87 | 91,415 |
| Capitals Starting With A | 0 | - | 4.97 | 128,333 |
| Capitals Starting With B | 0 | - | 4.89 | 118,754 |
| Capitals Starting With D | 0 | - | 4.93 | 96,659 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,198 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,533 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,478 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,530 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,563 |
| Former Capitals | 0 | - | 4.88 | 71,534 |
| Europe Capital to Country | 0 | - | 4.99 | 250,977 |
| Asia Capital to Country | 0 | - | 4.96 | 126,897 |
| Capital Cities Chain | 0 | - | 4.84 | 82,989 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,258 |
| European Capitals by Map | 0 | - | 4.99 | 140,090 |
| African Capitals by Map | 0 | - | 4.99 | 134,222 |
| Coldest World Capitals | 0 | - | 4.95 | 133,672 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,699 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,328 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,671 |
| European Coastal Capitals | 0 | - | 4.95 | 90,858 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,690 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,950 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,664 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,937 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,790 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,147 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,831 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,250 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,793 |
| Rivers of the United States | 0 | - | 4.93 | 66,370 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,623 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,684 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,757 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,231 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,561 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,375 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,056 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,728 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,318 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,265 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,569 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,623 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,533 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,281 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,002 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,242 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,437 |
| Capitals of the Stans | 0 | - | 4.95 | 26,934 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,287 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,564 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,255 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,985 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,354 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,257 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,241 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,462 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,930 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,834 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,796 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,536 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,311 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,340 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,630 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,817 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,615 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,673 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,522 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,192 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,052 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,415 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,947 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,097 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,976 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,388 |
| Capitals Starting With N | 0 | - | 4.80 | 51,351 |
| Capitals Starting With V | 0 | - | 4.79 | 38,316 |
| Capitals Starting With C | 0 | - | 4.78 | 98,240 |
| South China Sea Countries | 0 | - | 4.78 | 57,759 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,004 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,819 |
| North American Sports Cities | 0 | - | 4.83 | 172,690 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,417 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,604 |
| Name a City - European Countries | 0 | - | 4.90 | 65,661 |
| Cities by Former Name | 0 | - | 4.83 | 91,754 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,525 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,275 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,649 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,880 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,813 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,452 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,440 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,248 |
| Capital City Etymologies | 0 | - | 4.77 | 63,405 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,758 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,207 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,996 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,313 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,323 |
| African Physical Geography | 0 | - | 4.51 | 31,749 |
| Asian Physical Geography | 0 | - | 4.61 | 35,567 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,636 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,013 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,302 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,571 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,436 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,158 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,017 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,406 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,154 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,033 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,266 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,511 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,957 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,179 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,446 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,509 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,954 |
| Landforms by Country | 0 | - | 4.52 | 51,989 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,940 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,121 |
| Sea in the Answers | 0 | - | 4.08 | 49,036 |
| Official Cities in the UK | 0 | - | 4.89 | 284,666 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,991 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,708 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,007 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,048 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,215 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,327 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,400 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,310 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,033 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,847 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,785 |
| The Only Country ... | 0 | - | 4.91 | 81,450 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,683 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,285 |
| Geological Extremes | 0 | - | 4.34 | 40,065 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,798 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,334 |
| Ancient City to Country | 0 | - | 4.70 | 108,158 |
| City-States | 0 | - | 4.53 | 37,313 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,350 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,436 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,725 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,499 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,265 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,215 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,081 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,158 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,848 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,948 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,048 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,507 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,302 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,736 |
| Boundary Waters | 0 | - | 4.92 | 88,598 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,269 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,319 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,791 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,656 |
