| North American Sports Cities | 0 | - | 4.83 | 172,367 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,318 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,658 |
| Random European Capital to Country | 0 | - | 4.98 | 190,904 |
| Random European Country to Capital | 0 | - | 4.93 | 165,119 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,450 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,754 |
| Random African Capital to Country | 0 | - | 4.97 | 100,714 |
| Random African Country to Capital | 0 | - | 4.94 | 71,203 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,030 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,446 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,291 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,117 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,242 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,398 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,488 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,220 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,980 |
| Countries by Capital City | 0 | - | 5.00 | 68,262 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,158 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,643 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,409 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,195 |
| Moved Capital Cities | 0 | - | 4.96 | 74,205 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,202 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,704 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,157 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,136 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,893 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,438 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,387 |
| Name a City - European Countries | 0 | - | 4.90 | 65,381 |
| Cities by Former Name | 0 | - | 4.83 | 91,568 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,663 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,851 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,394 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,655 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,202 |
| World Capitals by Map | 0 | - | 5.00 | 286,429 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,306 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,188 |
| Random Country to Capital | 0 | - | 4.98 | 920,491 |
| Capitals Starting With H | 0 | - | 4.91 | 92,545 |
| Capitals Starting With K | 0 | - | 4.88 | 83,481 |
| Capitals Starting With L | 0 | - | 4.81 | 88,076 |
| Capitals Starting With M | 0 | - | 4.93 | 107,784 |
| Capitals Starting With P | 0 | - | 4.88 | 78,201 |
| Capitals Starting With R | 0 | - | 4.87 | 81,820 |
| Capitals Starting With S | 0 | - | 4.90 | 85,778 |
| Capitals Starting With T | 0 | - | 4.85 | 76,169 |
| Capitals Starting With W | 0 | - | 4.87 | 91,302 |
| Capitals Starting With A | 0 | - | 4.97 | 127,908 |
| Capitals Starting With B | 0 | - | 4.89 | 118,469 |
| Capitals Starting With D | 0 | - | 4.93 | 96,429 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,557 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,774 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,947 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,559 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,676 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,971 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,093 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,876 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,798 |
| Former Capitals | 0 | - | 4.88 | 71,458 |
| Europe Capital to Country | 0 | - | 4.99 | 250,173 |
| Asia Capital to Country | 0 | - | 4.96 | 126,660 |
| Capital Cities Chain | 0 | - | 4.84 | 82,736 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,872 |
| European Capitals by Map | 0 | - | 4.99 | 139,151 |
| African Capitals by Map | 0 | - | 4.99 | 133,785 |
| Coldest World Capitals | 0 | - | 4.95 | 133,557 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,394 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,066 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,415 |
| European Coastal Capitals | 0 | - | 4.95 | 90,592 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,585 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,991 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,002 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,828 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,562 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,893 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,034 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,241 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,388 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,865 |
| American Cities by Stadium | 0 | - | 4.02 | 36,544 |
| City by Football Clubs | 0 | - | 4.38 | 137,947 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,189 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,408 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,882 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,848 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,321 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,826 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,428 |
| Official Cities in the UK | 0 | - | 4.89 | 283,719 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,774 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,524 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,788 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,475 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,036 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,263 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,145 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,829 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,667 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,408 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,172 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,159 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,364 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,437 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,397 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,065 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,587 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,184 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,287 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,051 |
| The Only Country ... | 0 | - | 4.91 | 81,036 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,881 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,964 |
| Ancient City to Country | 0 | - | 4.70 | 108,030 |
| City-States | 0 | - | 4.53 | 37,263 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,136 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,145 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,671 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,661 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,830 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,187 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,790 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,112 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,095 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,540 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,239 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,912 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,858 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 66,993 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,074 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,023 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,606 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,373 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,506 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,330 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,153 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,642 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,048 |
| Boundary Waters | 0 | - | 4.92 | 88,464 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,162 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,085 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,460 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,801 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,525 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,506 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,224 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,705 |
| Cities by Airports | 0 | - | 4.49 | 88,723 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,149 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,988 |
| Cities Chain #2 | 0 | - | 4.42 | 56,371 |
| Cities Chain #1 | 0 | - | 4.61 | 66,625 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,573 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,206 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,026 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,201 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,808 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,906 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,586 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,157 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,099 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,149 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,456 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,470 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,999 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,345 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,521 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,928 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,829 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,989 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,713 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,497 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,128 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,289 |
| Capitals Starting With N | 0 | - | 4.80 | 51,196 |
| Capitals Starting With V | 0 | - | 4.79 | 38,177 |
| Capitals Starting With C | 0 | - | 4.79 | 97,916 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,984 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,040 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,774 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,691 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,160 |
| Which City in Europe? | 0 | - | 4.83 | 107,389 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,454,781 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,448 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,679 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,766 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,455 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,399 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,164 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,623 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 50,981 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,373 |
| Cities in European History #1 | 0 | - | 4.63 | 133,991 |
