| African Great Lakes | 0 | - | 4.82 | 66,923 |
| Sea in the Answers | 0 | - | 4.08 | 49,141 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,326 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,696 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,592 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,668 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,899 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,525 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,376 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,933 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,838 |
| Landforms by Country | 0 | - | 4.52 | 52,012 |
| Capitals by River | 0 | - | 4.55 | 48,384 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,650,507 |
| South China Sea Countries | 0 | - | 4.78 | 57,837 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,375 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,679 |
| Random Country to Capital | 0 | - | 4.98 | 927,363 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,119,846 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,216 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,498 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,099 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,945 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,216 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,535 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,506 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 51,294 |
| Countries with Four Letters | 0 | - | 4.99 | 425,536 |
| African Physical Geography | 0 | - | 4.51 | 31,812 |
| Asian Physical Geography | 0 | - | 4.61 | 35,617 |
| Rivers of the United States | 0 | - | 4.93 | 66,629 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,915 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,775 |
| Capital Cities Chain | 0 | - | 4.84 | 83,315 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,515 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,901 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,303 |
| Country Chain | 0 | - | 4.96 | 218,363 |
| Countries by Emojis | 0 | - | 4.99 | 241,745 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,585 |
| Islands by Country #1 | 0 | - | 4.90 | 176,260 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,187 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,509 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,357 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,756 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,612 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,857 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,964 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,991 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,988 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,865 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,805 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,729 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,854 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,485 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 741,210 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,186 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,995 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,018 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,188 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,445 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,248 |
| The Only Country ... | 0 | - | 4.91 | 81,829 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,667 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,672 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,613 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,051 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,872 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,366 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,599 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,035 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,993 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,613 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,951 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,322 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,182 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,093 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,496 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,533 |
| Random Countries by Borders | 0 | - | 4.99 | 83,036 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 387,402 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,521 |
| Geological Extremes | 0 | - | 4.34 | 40,101 |
| European Physical Geography | 0 | - | 4.26 | 33,588 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,839 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,558 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,857 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,639 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,158 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,645 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,829 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,836 |
| National Animals | 0 | - | 4.24 | 90,205 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,799 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,785 |
| Bear in the Answers | 0 | - | 4.29 | 62,251 |
| Boundary Waters | 0 | - | 4.92 | 88,743 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,397 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,649 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,448 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,382 |
| Cities Chain #2 | 0 | - | 4.42 | 56,509 |
| Cities Chain #1 | 0 | - | 4.61 | 66,808 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,126 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,039 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,981 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,841,441 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 982,106 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,150 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,043 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 97,532 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,362 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,806 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,966 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,476 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 280,797 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,891 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,727 |
| South American Physical Geography | 0 | - | 4.58 | 18,399 |
| Seas of Europe | 0 | - | 4.37 | 84,890 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,213 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,528 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,475 |
| Landlocked Countries | 0 | - | 4.99 | 425,166 |
| Last Names by Country of Origin | 0 | - | 4.64 | 157,241 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,660 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 53,046 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 75,720 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,381 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,679 |
| Countries by Milk Production | 0 | - | 4.54 | 44,209 |
| Mountains by Country | 0 | - | 4.56 | 81,974 |
| Islands by Country #2 | 0 | - | 4.80 | 77,817 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,801,102 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,626 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,384 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 242,513 |
| Animal Emojis | 0 | - | 4.74 | 85,200 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,902 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,364 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,911 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,938 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,016 |
| Fictional Cities | 0 | - | 4.26 | 47,985 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,235 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,462 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,356 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,407 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,181 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,452 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,311 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,522 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,128 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,528 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,415 |
| Island Countries | 0 | - | 4.99 | 712,358 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,971 |
| Himalayan Countries | 0 | - | 4.93 | 140,012 |
| Andean Countries | 0 | - | 4.94 | 85,312 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,469 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,829 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,038 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,330 |
| Danube Countries | 0 | - | 4.97 | 72,321 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,496 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,767 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,992 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,494 |
| European Landlocked Countries | 0 | - | 4.99 | 147,542 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,203 |
| Countries with the Most Species | 0 | - | 4.99 | 103,523 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,330 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,746 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,854 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,793 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,528 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,963 |
| Countries in the Alps | 0 | - | 4.87 | 118,690 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,492 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,760 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,923 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,971 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,887 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,196 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,332 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,813 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,381 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,128 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,826 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,699 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,618 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,506 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,737 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,834 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,704 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,565 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,709 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,601 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,483 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,016 |
