| Regions of Countries #1 | 0 | - | 4.96 | 159,429 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,772 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,667 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,677 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,561 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,124 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,445 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,617,837 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,205 |
| Random Country to Capital | 0 | - | 4.98 | 919,227 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,099,505 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 449,834 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,360 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,026 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,325 |
| Countries with Four Letters | 0 | - | 4.99 | 421,876 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,350 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,393 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,413 |
| Capital Cities Chain | 0 | - | 4.83 | 82,595 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,765 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,095 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 178,725 |
| Country Chain | 0 | - | 4.96 | 216,934 |
| Countries by Emojis | 0 | - | 4.99 | 239,187 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,808 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,149 |
| Islands by Country #1 | 0 | - | 4.88 | 175,179 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,280 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,693 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,143 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,300 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,209 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,598 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,136 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,017 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,381 |
| Australian States and Territories | 0 | - | 4.96 | 141,800 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,834 |
| Counties of England | 0 | - | 4.97 | 795,510 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,017 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,816 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,680 |
| Hawaiian Islands | 0 | - | 4.83 | 42,669 |
| The Only Country ... | 0 | - | 4.91 | 80,875 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,739 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,051 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,008 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,684 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,367 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,754 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,738 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,949 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,659 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,225 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,250 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,017 |
| Random Countries by Borders | 0 | - | 4.99 | 82,335 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,839 |
| Regions of Italy | 0 | - | 4.92 | 75,703 |
| States of India | 0 | - | 4.95 | 192,916 |
| Japanese Prefectures | 0 | - | 4.98 | 136,578 |
| Provinces of China | 0 | - | 4.97 | 203,872 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,761 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,912 |
| States of Germany | 0 | - | 4.96 | 152,156 |
| Regions of New Zealand | 0 | - | 4.85 | 28,471 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,099 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,686 |
| Provinces of Turkey | 0 | - | 4.95 | 203,810 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,288 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,309 |
| Boundary Waters | 0 | - | 4.92 | 88,407 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,112 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,875 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,979 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,845 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,435 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,235 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,540 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,672 |
| States of Mexico | 0 | - | 4.95 | 175,710 |
| States of Brazil | 0 | - | 4.97 | 87,777 |
| Departments of France | 0 | - | 4.93 | 53,948 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,768 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,494 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 174,307 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,188 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,908 |
| Cities Chain #2 | 0 | - | 4.42 | 56,336 |
| Cities Chain #1 | 0 | - | 4.61 | 66,596 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,524 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,375,062 |
| Landlocked Countries | 0 | - | 4.99 | 419,486 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 975,646 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,488 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,067 |
| First Names of Scientists | 0 | - | 4.50 | 56,764 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,005 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,386 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,973 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,872 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,760,280 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,062 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,480 |
| Counties of Ireland | 0 | - | 4.92 | 194,918 |
| Historical Middle Names | 0 | - | 4.16 | 35,737 |
| People with Food Names | 0 | - | 4.10 | 60,963 |
| First Names of Historical Figures #2 | 0 | - | 4.32 | 40,506 |
| First Names of Historical Figures #1 | 0 | - | 4.39 | 229,243 |
| Random Nicknames #1 | 0 | - | 4.11 | 34,832 |
| Birth Names | 0 | - | 4.30 | 61,740 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,529 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,703 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,774 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,002 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,470 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,048 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,478 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,417 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,751 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,411 |
| Island Countries | 0 | - | 4.99 | 709,993 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,217 |
| Himalayan Countries | 0 | - | 4.95 | 137,655 |
| Andean Countries | 0 | - | 4.95 | 84,057 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,302 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,804 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,920 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,419 |
| Danube Countries | 0 | - | 4.97 | 71,722 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,638 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,114 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,746 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,821 |
| European Landlocked Countries | 0 | - | 4.99 | 146,837 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,206 |
| Countries with the Most Species | 0 | - | 4.99 | 102,981 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,361 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,442 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,609 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,347 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,022 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,415 |
| Countries in the Alps | 0 | - | 4.87 | 117,770 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,196 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,479 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,453 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,061 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,162 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,757 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,350 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,241 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,004 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,602 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,513 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,362 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,970 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,238 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,257 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,289 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,096 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,599 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,626 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,617 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,363 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,026 |
| Largest Countries By Category | 0 | - | 4.97 | 157,743 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,792 |
| Countries by Countries | 0 | - | 4.96 | 62,894 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,872 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,285 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,127 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,173 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,480 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,384 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,659 |
| Northernmost Countries | 0 | - | 4.99 | 360,736 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,560 |
| Countries by Milk Production | 0 | - | 4.54 | 43,928 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,433 |
| Mountains by Country | 0 | - | 4.56 | 81,746 |
| Islands by Country #2 | 0 | - | 4.80 | 77,366 |
| Countries of South America | 0 | - | 5.00 | 923,702 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,144 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,313 |
| "Land" Countries | 0 | - | 4.98 | 335,927 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,251 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,592 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,438 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,764 |
| Top World Languages | 0 | - | 4.92 | 820,874 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,276 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,402 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,245 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,107 |
| Longest International Borders | 0 | - | 4.99 | 264,754 |
| Countries with Three Borders | 0 | - | 4.96 | 36,475 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,945 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,057 |
