| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,728 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,627 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,158 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,620,242 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,526 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,182 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,409 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,466 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,482 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,098 |
| Random Country to Capital | 0 | - | 4.98 | 919,790 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,100,468 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,416 |
| Countries with Four Letters | 0 | - | 4.99 | 422,121 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,446 |
| Boundary Waters | 0 | - | 4.92 | 88,440 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,130 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,027 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,360 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,424 |
| Capital Cities Chain | 0 | - | 4.83 | 82,674 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,829 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,435 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 181,276 |
| Country Chain | 0 | - | 4.96 | 217,007 |
| Countries by Emojis | 0 | - | 4.99 | 239,470 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,867 |
| Islands by Country #1 | 0 | - | 4.88 | 175,223 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,486 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,827 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,693 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,489 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,845 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,477 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,494 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,380 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,767 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,260 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,123 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,501 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,385 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,191 |
| The Only Country ... | 0 | - | 4.91 | 80,964 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,411,517 |
| Landlocked Countries | 0 | - | 4.99 | 419,878 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,833 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,129 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,059 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,722 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,424 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,917 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,887 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,070 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,725 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,389 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,679 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,411 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,051 |
| Random Countries by Borders | 0 | - | 4.99 | 82,383 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,957 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,859 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,320 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,557 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,058 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,758 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,979 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,924 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,277 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,735 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,861 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,071 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,206 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,959 |
| Cities Chain #2 | 0 | - | 4.42 | 56,355 |
| Cities Chain #1 | 0 | - | 4.61 | 66,609 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,554 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,845 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,940 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,511 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,447 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,286 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,408 |
| Himalayan Countries | 0 | - | 4.95 | 137,844 |
| Andean Countries | 0 | - | 4.95 | 84,131 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,356 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,916 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,995 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,464 |
| Danube Countries | 0 | - | 4.97 | 71,758 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,688 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,153 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,841 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,918 |
| European Landlocked Countries | 0 | - | 4.99 | 146,882 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,265 |
| Countries with the Most Species | 0 | - | 4.99 | 103,027 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,429 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,462 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,634 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,387 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,063 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,460 |
| Countries in the Alps | 0 | - | 4.87 | 117,861 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,611 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,581 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,483 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,368 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,227 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,792 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 976,112 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,392 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,271 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,035 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,641 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,532 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,383 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,004 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,288 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,300 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,410 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,128 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,635 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,692 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,851 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,493 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,054 |
| Largest Countries By Category | 0 | - | 4.97 | 157,813 |
| Countries by Countries | 0 | - | 4.97 | 62,942 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,560 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,366 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,718 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,186 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,495 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,875 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,741 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,440 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,091 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,763,472 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 383,100 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,504 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,787 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,311 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,425 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,403 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,139 |
| Longest International Borders | 0 | - | 4.99 | 264,842 |
| Countries with Three Borders | 0 | - | 4.96 | 36,509 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,975 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,092 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,671 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,033 |
| Demonym of Every Country | 0 | - | 4.91 | 59,263 |
| Historical Middle Names | 0 | - | 4.16 | 35,762 |
| People with Food Names | 0 | - | 4.10 | 61,004 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,536 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,291 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,842 |
| Birth Names | 0 | - | 4.30 | 61,751 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,385 |
| First Names of Scientists | 0 | - | 4.50 | 56,819 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,302 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,727 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,389 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,822 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,152 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,521 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,421 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,435 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,051 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,868 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,884 |
| Island Countries | 0 | - | 4.99 | 710,154 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,811 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,905 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,143 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,022 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,142 |
| Northernmost Countries | 0 | - | 4.99 | 360,949 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,581 |
| Countries by Milk Production | 0 | - | 4.54 | 43,958 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,534 |
| Mountains by Country | 0 | - | 4.56 | 81,761 |
| Islands by Country #2 | 0 | - | 4.80 | 77,395 |
| Countries of South America | 0 | - | 5.00 | 924,260 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,041 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,871 |
| Name a Country A-Z | 0 | - | 5.00 | 243,130 |
| "Land" Countries | 0 | - | 4.98 | 336,041 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,261 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,216 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,620 |
| Top World Languages | 0 | - | 4.92 | 821,429 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,368 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,271 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,306 |
| Countries with Megacities | 0 | - | 4.99 | 262,697 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,143 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,144 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,442 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,192 |
