| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,220 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,982 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,789 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,595,978 |
| Random Capital to Country | 0 | - | 4.99 | 2,581,242 |
| Random Country to Capital | 0 | - | 4.98 | 913,395 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,091,528 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,405 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,771 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,648 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,523 |
| Countries with Four Letters | 0 | - | 4.99 | 419,435 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,236 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,508 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,041 |
| Capital Cities Chain | 0 | - | 4.84 | 82,085 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,178 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,636 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,736 |
| Country Chain | 0 | - | 4.96 | 216,059 |
| Countries by Emojis | 0 | - | 4.99 | 237,221 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,282 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,768 |
| Islands by Country #1 | 0 | - | 4.87 | 174,648 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,042 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,387 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,414 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,417 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,321 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,744 |
| Name a Valid Country #2 | 0 | - | 4.98 | 247,057 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,427 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,328 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,845 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,910 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,421 |
| Australian States and Territories | 0 | - | 4.96 | 141,155 |
| Counties of England | 0 | - | 4.97 | 790,961 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,638 |
| The Only Country ... | 0 | - | 4.91 | 80,176 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,678 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,577 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,491 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,437 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,984 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,100 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,275 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,760 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,757 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,707 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,738 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,707 |
| Random Countries by Borders | 0 | - | 4.99 | 81,816 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,613 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,240 |
| Regions of Italy | 0 | - | 4.92 | 74,969 |
| Provinces of China | 0 | - | 4.97 | 201,096 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,782 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,189 |
| States of Germany | 0 | - | 4.96 | 150,653 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,048 |
| Boundary Waters | 0 | - | 4.92 | 88,125 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,894 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,108 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,485 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,613 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,987 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,302 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,795 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,992 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,805 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,548 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,711 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,814 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,564 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,697 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,934 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,851 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,621 |
| US States Quiz | 0 | - | 5.00 | 16,742,328 |
| Departments of France | 0 | - | 4.93 | 53,063 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,695 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,476 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,042 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,537 |
| Cities Chain #2 | 0 | - | 4.42 | 56,205 |
| Cities Chain #1 | 0 | - | 4.61 | 66,403 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,306 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,043,636 |
| Landlocked Countries | 0 | - | 4.99 | 415,190 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 957,530 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,736 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,410 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,891 |
| First Names of Scientists | 0 | - | 4.50 | 56,571 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,830 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,023 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,252 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,997 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,729,456 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,808 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,473 |
| Counties of Ireland | 0 | - | 4.92 | 193,615 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,100 |
| Historical Middle Names | 0 | - | 4.16 | 35,500 |
| People with Food Names | 0 | - | 4.10 | 60,657 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,328 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,791 |
| Random Nicknames #1 | 0 | - | 4.12 | 34,767 |
| Birth Names | 0 | - | 4.30 | 61,640 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,279 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,188 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,072 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,317 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,680 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,548 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,949 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,348 |
| Capital City Etymologies | 0 | - | 4.77 | 63,080 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,720 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,683 |
| Island Countries | 0 | - | 4.99 | 708,264 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,226 |
| Himalayan Countries | 0 | - | 4.95 | 135,917 |
| Andean Countries | 0 | - | 4.94 | 83,141 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,463 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,586 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,166 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,814 |
| Danube Countries | 0 | - | 4.97 | 71,248 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,979 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,697 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,834 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,762 |
| European Landlocked Countries | 0 | - | 4.99 | 145,947 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,490 |
| Countries with the Most Species | 0 | - | 4.99 | 95,332 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,619 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,265 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,436 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,059 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,709 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,063 |
| Countries in the Alps | 0 | - | 4.86 | 117,104 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,738 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,563 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,150 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,569 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,365 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,130 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,774 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,886 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,674 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,198 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,267 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,135 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,602 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,867 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,879 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,424 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,786 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,347 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,003 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,182 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,149 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,716 |
| Largest Countries By Category | 0 | - | 4.97 | 157,000 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,604 |
| Countries by Countries | 0 | - | 4.96 | 62,426 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,520 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,636 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,983 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,019 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,375 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,919 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,507 |
| Northernmost Countries | 0 | - | 4.99 | 358,615 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,486 |
| Countries by Milk Production | 0 | - | 4.54 | 43,708 |
| Mountains by Country | 0 | - | 4.64 | 81,591 |
| Islands by Country #2 | 0 | - | 4.80 | 77,099 |
| Countries of South America | 0 | - | 5.00 | 917,551 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,801 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,766 |
| "Land" Countries | 0 | - | 4.98 | 334,065 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,137 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,960 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,870 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,545 |
| Top World Languages | 0 | - | 4.92 | 815,227 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,705 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,742 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,284 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,854 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,741 |
| Longest International Borders | 0 | - | 4.99 | 264,081 |
| Countries with Three Borders | 0 | - | 4.96 | 36,281 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,693 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,785 |
| Demonym of Every Country | 0 | - | 4.91 | 58,783 |
