| Capital Cities by Body of Water | 0 | - | 4.85 | 57,739 |
| Countries With No Rivers | 0 | - | 4.96 | 76,937 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,315 |
| Capitals by River | 0 | - | 4.55 | 48,347 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,670 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,825 |
| African Great Lakes | 0 | - | 4.82 | 66,544 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,593 |
| Biggest City by River | 0 | - | 4.38 | 52,892 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,624 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,911 |
| Countries with Fjords | 0 | - | 4.94 | 101,068 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,478 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,660 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,156 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,005 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,250 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,812 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,081 |
| Rivers of the United States | 0 | - | 4.93 | 66,370 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,086 |
| North Sea Countries | 0 | - | 4.92 | 87,509 |
| Black Sea Countries | 0 | - | 4.87 | 60,662 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,461 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,562 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,288 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,440 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,822 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,596 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,121 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,630 |
| 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 | 332,284 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,444 |
| Moved Capital Cities | 0 | - | 4.96 | 74,378 |
| Megadiverse Countries | 0 | - | 4.96 | 135,054 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,544 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,831 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,100 |
| 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 | 65,662 |
| Cities by Former Name | 0 | - | 4.83 | 91,754 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,062 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,045 |
| 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 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,263 |
| Random Country to Capital | 0 | - | 4.98 | 923,224 |
| 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 | 78,381 |
| Capitals Starting With R | 0 | - | 4.87 | 82,003 |
| 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 with Wild Tigers | 0 | - | 4.96 | 136,997 |
| 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 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,563 |
| 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 | 46,303 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,572 |
| 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 | 113,019 |
| 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 | 133,673 |
| 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 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,406 |
| Seas of Europe | 0 | - | 4.37 | 84,733 |
| 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 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,794 |
| Landforms by Country | 0 | - | 4.52 | 51,989 |
| Rivers A-Z | 0 | - | 4.35 | 32,805 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,340 |
| 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 | 48,992 |
| 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 | 29,243 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,438 |
| The Only Country ... | 0 | - | 4.91 | 81,451 |
| 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 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,985 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,604 |
| 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 | 54,351 |
| 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 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 | 152,835 |
| 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 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,038 |
| 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 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,656 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,885 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,548 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,552 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,318 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,805 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,470 |
| Cities by Airports | 0 | - | 4.47 | 101,922 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,164 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,161 |
| Cities Chain #2 | 0 | - | 4.42 | 56,436 |
| Cities Chain #1 | 0 | - | 4.61 | 66,693 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,585 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,866 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,361 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,348 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,253 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,007 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,224 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,702 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,194 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,193 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,817 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,052 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,415 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,615 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,819 |
| 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 |
