| African Great Lakes | 0 | - | 4.82 | 65,327 |
| Sea in the Answers | 0 | - | 4.10 | 48,596 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,834 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,931 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,109 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,190 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,929 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,211 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,887 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,491 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,340 |
| Landforms by Country | 0 | - | 4.52 | 51,923 |
| Capitals by River | 0 | - | 4.55 | 48,244 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,592,909 |
| South China Sea Countries | 0 | - | 4.78 | 57,520 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,849 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,957 |
| Random Country to Capital | 0 | - | 4.98 | 912,757 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,089,991 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,735 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,402 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,203 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,565 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,425 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,434 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,503 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,489 |
| Countries with Four Letters | 0 | - | 4.99 | 419,100 |
| Asian Physical Geography | 0 | - | 4.61 | 35,392 |
| Rivers of the United States | 0 | - | 4.93 | 65,612 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,090 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,404 |
| Capital Cities Chain | 0 | - | 4.84 | 82,021 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,106 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,520 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,636 |
| Country Chain | 0 | - | 4.96 | 215,934 |
| Countries by Emojis | 0 | - | 4.99 | 236,982 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,463 |
| Islands by Country #1 | 0 | - | 4.87 | 174,593 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,002 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,350 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,389 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,194 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,522 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,131 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,287 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,807 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,151 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,140 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,692 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,762 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,284 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,338 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,948 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,507 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,839 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,681 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,931 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,014 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,176 |
| The Only Country ... | 0 | - | 4.91 | 80,065 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,587 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,535 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,436 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,409 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,933 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,865 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,735 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,905 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,116 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,598 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,643 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,489 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,558 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,613 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,662 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,165 |
| Random Countries by Borders | 0 | - | 4.99 | 81,759 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,300 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,452 |
| Geological Extremes | 0 | - | 4.34 | 39,957 |
| African Physical Geography | 0 | - | 4.51 | 31,586 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,742 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,036 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,518 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,880 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,710 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,424 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,747 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,315 |
| National Animals | 0 | - | 4.24 | 89,183 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,594 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,513 |
| Bear in the Answers | 0 | - | 4.29 | 61,645 |
| Boundary Waters | 0 | - | 4.92 | 88,097 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,865 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,415 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,020 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,489 |
| Cities Chain #2 | 0 | - | 4.42 | 56,188 |
| Cities Chain #1 | 0 | - | 4.61 | 66,375 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,267 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,977 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,153 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,999,370 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 957,040 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,673 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,647 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,651 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,862 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,268 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,876 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,807 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,628 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,343 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,638 |
| South American Physical Geography | 0 | - | 4.58 | 18,284 |
| Seas of Europe | 0 | - | 4.37 | 83,882 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,283 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,864 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,344 |
| Landlocked Countries | 0 | - | 4.99 | 414,583 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,993 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,511 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,577 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,248 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,975 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,476 |
| Countries by Milk Production | 0 | - | 4.54 | 43,675 |
| Mountains by Country | 0 | - | 4.64 | 81,571 |
| Islands by Country #2 | 0 | - | 4.80 | 77,059 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,844 |
| Countries with More Cows than People | 0 | - | 4.43 | 57,725 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,125 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 236,953 |
| Animal Emojis | 0 | - | 4.70 | 83,429 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,233 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,111 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,985 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,212 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,170 |
| Fictional Cities | 0 | - | 4.25 | 47,887 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,049 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,326 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,858 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,115 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,802 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,011 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,952 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,097 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,812 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,484 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,330 |
| Island Countries | 0 | - | 4.99 | 707,999 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,996 |
| Himalayan Countries | 0 | - | 4.95 | 135,699 |
| Andean Countries | 0 | - | 4.94 | 83,026 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,374 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,436 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,076 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,735 |
| Danube Countries | 0 | - | 4.97 | 71,180 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,899 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,637 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,703 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,607 |
| European Landlocked Countries | 0 | - | 4.99 | 145,876 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,364 |
| Countries with the Most Species | 0 | - | 4.99 | 95,299 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,531 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,235 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,404 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,015 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,653 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,023 |
| Countries in the Alps | 0 | - | 4.86 | 116,983 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,682 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,455 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,107 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,510 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,297 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,093 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,697 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,839 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,595 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,151 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,230 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,099 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 65,938 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,536 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,827 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,829 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,290 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,735 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,311 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,938 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,838 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,995 |
