| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,092 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 87,654 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 95,284 |
| African Great Lakes | 0 | - | 4.81 | 63,713 |
| Sea in the Answers | 0 | - | 4.10 | 47,899 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,341 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 63,808 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 113,400 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,048 |
| Countries With One Word And Two O's | 0 | - | 4.95 | 53,993 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.81 | 52,477 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 56,862 |
| Landforms by Country | 0 | - | 4.52 | 51,801 |
| Capitals by River | 0 | - | 4.56 | 48,119 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,653 |
| South China Sea Countries | 0 | - | 4.79 | 57,176 |
| 10 Longest Rivers in the United States | 0 | - | 4.84 | 38,341 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,535,162 |
| Random Capital to Country | 0 | - | 4.99 | 2,557,291 |
| Random Country to Capital | 0 | - | 4.98 | 896,661 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,067,391 |
| Countries with Wild Tigers | 0 | - | 4.96 | 134,376 |
| Countries with Wild Penguins | 0 | - | 4.94 | 98,195 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 442,188 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 158,948 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 112,584 |
| Anagram Chain - Countries | 0 | - | 4.99 | 112,968 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 85,418 |
| Countries with Four Letters | 0 | - | 4.99 | 412,362 |
| Rivers of the United States | 0 | - | 4.93 | 64,380 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 65,249 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 60,801 |
| Countries With One Word and Two U's | 0 | - | 4.50 | 49,613 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,315 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 70,297 |
| Asian Physical Geography | 0 | - | 4.61 | 35,160 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 698,878 |
| Capital Cities Chain | 0 | - | 4.85 | 80,606 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 88,577 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 194,147 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 167,236 |
| Country Chain | 0 | - | 4.96 | 213,575 |
| Countries by Emojis | 0 | - | 4.99 | 231,525 |
| Islands by Country #1 | 0 | - | 4.87 | 173,301 |
| Regions of Countries #1 | 0 | - | 4.96 | 157,991 |
| Regions of Countries #2 | 0 | - | 4.95 | 122,363 |
| Regions of Countries #3 | 0 | - | 4.84 | 89,694 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 209,887 |
| Countries with the Most Sheep | 0 | - | 4.90 | 91,728 |
| Name a Valid Country #3 | 0 | - | 4.99 | 255,194 |
| Name a Valid Country #1 | 0 | - | 4.99 | 273,778 |
| Name a Valid Country #2 | 0 | - | 4.98 | 240,841 |
| Name a Valid Country #4 | 0 | - | 4.97 | 233,272 |
| Name a Valid Country #5 | 0 | - | 4.99 | 185,505 |
| Name a Valid Country #6 | 0 | - | 4.95 | 122,657 |
| Name a Valid Country #7 | 0 | - | 4.91 | 122,933 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,575 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 47,170 |
| The Only Country ... | 0 | - | 4.91 | 57,696 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 177,370 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 87,279 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 119,153 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 109,599 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 87,915 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 46,086 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 94,683 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 312,744 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 230,087 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 219,821 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 187,336 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 119,394 |
| Top Five Countries by Random Categories | 0 | - | 4.94 | 132,727 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 73,974 |
| Countries that Catch the Most Fish | 0 | - | 4.89 | 110,350 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 101,482 |
| Countries with the Most Wolves | 0 | - | 4.92 | 105,739 |
| Random Countries by Borders | 0 | - | 4.99 | 80,467 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 371,550 |
| Random Name a Valid Country | 0 | - | 4.99 | 200,459 |
| Geological Extremes Quiz | 0 | - | 4.33 | 39,791 |
| African Physical Geography | 0 | - | 4.51 | 31,394 |
| European Physical Geography | 0 | - | 4.26 | 33,198 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,621 |
| Countries With The Most Bird Species | 0 | - | 4.94 | 24,071 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 21,987 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 226,796 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 129,482 |
| Random World Capitals on a Map | 0 | - | 4.92 | 130,938 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 73,881 |
| Name a World Capital A-Z | 0 | - | 5.00 | 173,022 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 87,551 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 129,521 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 109,373 |
| National Animals | 0 | - | 4.24 | 88,714 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 274,592 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.35 | 19,385 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 270,756 |
| Bear in the Answers | 0 | - | 4.29 | 61,032 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,519 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 65,631 |
| Cities Chain #2 | 0 | - | 4.41 | 55,887 |
| Cities Chain #1 | 0 | - | 4.61 | 65,971 |
| Name Any Valid U.S. City | 0 | - | 4.50 | 39,525 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,119,729 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 947,857 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,135 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,138 |
| Random Countries with Letters Missing | 0 | - | 4.50 | 91,892 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 331,785 |
| Musical Acts by Country #1 | 0 | - | 4.44 | 77,397 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,466 |
| Oceania Physical Geography | 0 | - | 4.29 | 12,534 |
| South American Physical Geography | 0 | - | 4.58 | 18,139 |
| Longest Rivers in the UK | 0 | - | 4.40 | 13,671 |
| Seas of Europe | 0 | - | 4.36 | 83,348 |
| Boundary Waters | 0 | - | 4.92 | 87,426 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 34,361 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 94,149 |
| World Capitals Quiz | 0 | - | 5.00 | 4,964,615 |
| Solve the Secret Capital City | 0 | - | 4.80 | 148,026 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,158 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 403,859 |
| Last Names by Country of Origin | 0 | - | 4.63 | 154,620 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,354 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,085 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.67 | 74,708 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,722 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,258 |
| Countries by Milk Production | 0 | - | 4.54 | 43,080 |
| Mountains by Country | 0 | - | 4.70 | 81,157 |
| Islands by Country #2 | 0 | - | 4.80 | 76,300 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,644,549 |
| Countries with More Cows than People | 0 | - | 4.42 | 53,912 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 49,778 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,407 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 230,346 |
| Animal Emojis | 0 | - | 4.69 | 81,501 |
| World Geography on a Map #1 | 0 | - | 4.94 | 72,537 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 93,607 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 163,043 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 121,396 |
| Fictional Cities | 0 | - | 4.25 | 47,753 |
| Word Scramble - Cities #2 | 0 | - | 4.53 | 24,822 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,546,790 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 477,292 |
| World Cities by Clue #2 | 0 | - | 4.49 | 49,634 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,345 |
| Cities that End in O by Clue | 0 | - | 4.56 | 60,463 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,542 |
| Cities that End in I by Clue | 0 | - | 4.62 | 56,613 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,442 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 368,764 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 395,229 |
| Island Countries Quiz | 0 | - | 4.99 | 703,428 |
| Sahara Desert Countries | 0 | - | 4.98 | 156,120 |
| Himalayan Countries | 0 | - | 4.95 | 131,520 |
| Andean Countries | 0 | - | 4.94 | 80,783 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 60,607 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 120,212 |
| Coffee Producing Countries | 0 | - | 4.81 | 64,070 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 63,095 |
| Danube Countries | 0 | - | 4.97 | 63,378 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 100,359 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 84,349 |
| Countries with the Worst Passports | 0 | - | 4.93 | 80,353 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 145,013 |
| European Landlocked Countries | 0 | - | 4.99 | 144,244 |
| Partially Recognized Countries | 0 | - | 4.98 | 103,215 |
| Countries with the Most Species | 0 | - | 4.99 | 94,312 |
| Countries 197 to 205 | 0 | - | 4.87 | 67,607 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 52,767 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,947 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,179 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 71,784 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,001 |
| Countries in the Alps | 0 | - | 4.87 | 115,069 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 93,434 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 102,990 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,290 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 94,034 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 113,906 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 94,182 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 98,035 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 51,888 |
| Largest Country by Body of Water | 0 | - | 4.96 | 49,602 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,053 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,653 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,464 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.72 | 65,167 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 102,486 |
| Arctic Ocean Countries | 0 | - | 4.95 | 77,889 |
| Countries with the Most Grassland | 0 | - | 4.93 | 75,856 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 114,652 |
| Countries with the Most Climate Zones | 0 | - | 4.95 | 66,785 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 58,517 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 42,979 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 233,983 |
| World Countries - Blind Typing | 0 | - | 5.00 | 102,521 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 46,879 |
| Top 15 Countries with the Most Starbucks | 0 | - | 4.51 | 79,517 |