| North American Sports Cities | 0 | - | 4.83 | 170,849 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,905 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,045 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,467 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,333 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,646 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,696 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,888 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,615 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,570 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,558 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,346 |
| Countries by Capital City | 0 | - | 5.00 | 66,570 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,288 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,872 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,247 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,392 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,177 |
| Moved Capital Cities | 0 | - | 4.96 | 73,558 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,182 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,041 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,079 |
| Winter Olympics Hosts | 0 | - | 4.41 | 86,884 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,696 |
| Name a City - European Countries | 0 | - | 4.92 | 64,342 |
| Cities by Former Name | 0 | - | 4.84 | 90,937 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,932 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,548 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,223 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,880 |
| World Capitals by Map | 0 | - | 5.00 | 283,082 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,636 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,458 |
| Random Country to Capital | 0 | - | 4.98 | 911,277 |
| Capitals Starting With H | 0 | - | 4.90 | 90,649 |
| Capitals Starting With K | 0 | - | 4.85 | 75,651 |
| Capitals Starting With L | 0 | - | 4.81 | 86,793 |
| Capitals Starting With M | 0 | - | 4.93 | 105,999 |
| Capitals Starting With P | 0 | - | 4.88 | 77,154 |
| Capitals Starting With R | 0 | - | 4.87 | 80,940 |
| Capitals Starting With S | 0 | - | 4.89 | 84,774 |
| Capitals Starting With T | 0 | - | 4.84 | 75,264 |
| Capitals Starting With W | 0 | - | 4.89 | 90,583 |
| Capitals Starting With A | 0 | - | 4.97 | 126,496 |
| Capitals Starting With B | 0 | - | 4.89 | 117,240 |
| Capitals Starting With D | 0 | - | 4.93 | 95,342 |
| Countries With the Most NBA Players | 0 | - | 4.47 | 116,319 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,298 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,315 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,156 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,752 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,636 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,308 |
| Former Capitals | 0 | - | 4.88 | 71,128 |
| Europe Capital to Country | 0 | - | 4.99 | 247,449 |
| Asia Capital to Country | 0 | - | 4.96 | 125,706 |
| Capital Cities Chain | 0 | - | 4.84 | 81,884 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,398 |
| European Capitals by Map | 0 | - | 4.99 | 136,148 |
| African Capitals by Map | 0 | - | 4.99 | 132,112 |
| Coldest World Capitals | 0 | - | 4.95 | 133,027 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,065 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,143 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,575 |
| European Coastal Capitals | 0 | - | 4.95 | 89,711 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,169 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,635 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,685 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,407 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,762 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,956 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,140 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,082 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,567 |
| American Cities by Stadium | 0 | - | 4.02 | 36,478 |
| City by Football Clubs | 0 | - | 4.37 | 137,004 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,017 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,107 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,077 |
| Official Cities in the UK | 0 | - | 4.89 | 280,408 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,170 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,078 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,457 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,764 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,088 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,754 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,631 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,375 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,077 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,139 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,279 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,350 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,145 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,680 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,684 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,413 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,852 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,898 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,449 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,239 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,022 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,741 |
| The Only Country ... | 0 | - | 4.91 | 79,818 |
| Capitals of the Stans | 0 | - | 4.95 | 26,393 |
| FIFA World Cup Final Host Cities | 0 | - | 4.66 | 28,249 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,979 |
| Ancient City to Country | 0 | - | 4.70 | 107,592 |
| City-States | 0 | - | 4.53 | 37,088 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,771 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,154 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,475 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,830 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,293 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,037 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,704 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,956 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,174 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,372 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,462 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,153 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,672 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Top Five Capitals By Category #1 | 0 | - | 4.72 | 78,282 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,611 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,555 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,468 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,128 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,782 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,490 |
| World Capitals with a Unique First Letter | 0 | - | 4.78 | 63,248 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,625 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,191 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,836 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,188 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,339 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,201 |
| Boundary Waters | 0 | - | 4.92 | 88,025 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,798 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,241 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,234 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,813 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,708 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,563 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,407 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,322 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,959 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,530 |
| Cities by Airports | 0 | - | 4.49 | 87,777 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,091 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,407 |
| Cities Chain #2 | 0 | - | 4.42 | 56,160 |
| Cities Chain #1 | 0 | - | 4.61 | 66,335 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,550 |
| World's Biggest Financial Centers | 0 | - | 4.50 | 51,828 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,151 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,867 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,004 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,934 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,109 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,009 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 32,800 |
| Nearest Capital City #2 | 0 | - | 4.56 | 39,009 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,411 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,790 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,221 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,825 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,992 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,246 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,605 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,796 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,886 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,914 |
| Random European Capital to Country | 0 | - | 4.98 | 189,146 |
| Random European Country to Capital | 0 | - | 4.92 | 147,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,340 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,370 |
| Random African Capital to Country | 0 | - | 4.97 | 99,710 |
| Random African Country to Capital | 0 | - | 4.94 | 70,196 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,980 |
| Capitals Starting With N | 0 | - | 4.80 | 50,294 |
| Capitals Starting With V | 0 | - | 4.79 | 37,561 |
| Capitals Starting With C | 0 | - | 4.74 | 96,487 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,504 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,872 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,727 |
| Which City in Europe? | 0 | - | 4.83 | 106,595 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,894,474 |
| Hindu Countries | 0 | - | 4.85 | 49,539 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,933 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,333 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,782 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,785 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,362 |
| NBA Player to Country | 0 | - | 4.29 | 83,361 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,731 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,154 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,106 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,084 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,936 |
