| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,216 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,970 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,786 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,595,689 |
| Random Capital to Country | 0 | - | 4.99 | 2,581,075 |
| Random Country to Capital | 0 | - | 4.98 | 913,366 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,091,380 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,386 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,753 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,613 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,518 |
| Countries with Four Letters | 0 | - | 4.99 | 419,399 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,230 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,498 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,039 |
| Capital Cities Chain | 0 | - | 4.84 | 82,082 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,171 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,624 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,727 |
| Country Chain | 0 | - | 4.96 | 216,046 |
| Countries by Emojis | 0 | - | 4.99 | 237,197 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,275 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,729 |
| Islands by Country #1 | 0 | - | 4.87 | 174,636 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,036 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,386 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,414 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,394 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,301 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,709 |
| Name a Valid Country #2 | 0 | - | 4.98 | 247,033 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,396 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,307 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,829 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,894 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,411 |
| Australian States and Territories | 0 | - | 4.96 | 141,150 |
| Counties of England | 0 | - | 4.97 | 790,855 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,531 |
| The Only Country ... | 0 | - | 4.91 | 80,160 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,673 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,570 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,481 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,435 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,977 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,076 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,262 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,741 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,749 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,676 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,708 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,703 |
| Random Countries by Borders | 0 | - | 4.99 | 81,811 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,599 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,230 |
| Regions of Italy | 0 | - | 4.92 | 74,961 |
| Provinces of China | 0 | - | 4.97 | 201,047 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,760 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,186 |
| States of Germany | 0 | - | 4.96 | 150,604 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,047 |
| Boundary Waters | 0 | - | 4.92 | 88,124 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,893 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,088 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,477 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,596 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,978 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,292 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,782 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,986 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,789 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,539 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,700 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,811 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,543 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,643 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,928 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,846 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,612 |
| US States Quiz | 0 | - | 5.00 | 16,740,339 |
| Departments of France | 0 | - | 4.93 | 53,052 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,682 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 173,463 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,039 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,529 |
| Cities Chain #2 | 0 | - | 4.42 | 56,203 |
| Cities Chain #1 | 0 | - | 4.61 | 66,397 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,304 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,037,940 |
| Landlocked Countries | 0 | - | 4.99 | 415,120 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 957,461 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,706 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,396 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,889 |
| First Names of Scientists | 0 | - | 4.50 | 56,571 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,497 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,019 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,245 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,987 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,728,959 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,789 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,462 |
| Counties of Ireland | 0 | - | 4.92 | 193,591 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,077 |
| Historical Middle Names | 0 | - | 4.16 | 35,495 |
| People with Food Names | 0 | - | 4.10 | 60,648 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,325 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 228,781 |
| Random Nicknames #1 | 0 | - | 4.12 | 34,765 |
| Birth Names | 0 | - | 4.30 | 61,638 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,273 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,183 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,065 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,309 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,633 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,574,382 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,940 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,348 |
| Capital City Etymologies | 0 | - | 4.77 | 63,078 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,679 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,645 |
| Island Countries | 0 | - | 4.99 | 708,237 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,196 |
| Himalayan Countries | 0 | - | 4.95 | 135,894 |
| Andean Countries | 0 | - | 4.94 | 83,127 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,456 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,567 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,156 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,807 |
| Danube Countries | 0 | - | 4.97 | 71,244 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,967 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,683 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,817 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,740 |
| European Landlocked Countries | 0 | - | 4.99 | 145,944 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,481 |
| Countries with the Most Species | 0 | - | 4.99 | 95,326 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,610 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,258 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,435 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,049 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,702 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,060 |
| Countries in the Alps | 0 | - | 4.86 | 117,088 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,733 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,547 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,145 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,354 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,126 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,765 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,884 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,666 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,196 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,264 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,131 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,599 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,862 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,875 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,415 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,778 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,342 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,990 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,140 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,129 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,711 |
| Largest Countries By Category | 0 | - | 4.97 | 156,990 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,603 |
| Countries by Countries | 0 | - | 4.96 | 62,419 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,518 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,627 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,982 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,014 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,375 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,918 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,436 |
| Northernmost Countries | 0 | - | 4.99 | 358,588 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,486 |
| Countries by Milk Production | 0 | - | 4.54 | 43,705 |
| Mountains by Country | 0 | - | 4.64 | 81,591 |
| Islands by Country #2 | 0 | - | 4.80 | 77,094 |
| Countries of South America | 0 | - | 5.00 | 917,452 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,607 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,853,509 |
| "Land" Countries | 0 | - | 4.98 | 334,044 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,135 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,954 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,861 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,542 |
| Top World Languages | 0 | - | 4.92 | 815,122 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,697 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,740 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,283 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,836 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,737 |
| Longest International Borders | 0 | - | 4.99 | 264,071 |
| Countries with Three Borders | 0 | - | 4.96 | 36,278 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,689 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,781 |
| Demonym of Every Country | 0 | - | 4.91 | 58,776 |
