| African Great Lakes | 0 | - | 4.82 | 66,138 |
| Sea in the Answers | 0 | - | 4.10 | 48,889 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,080 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,331 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,365 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,415 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,399 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,835 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,614 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,722 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,636 |
| Landforms by Country | 0 | - | 4.52 | 51,967 |
| Capitals by River | 0 | - | 4.55 | 48,302 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,618,871 |
| South China Sea Countries | 0 | - | 4.78 | 57,679 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,135 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,643 |
| Random Country to Capital | 0 | - | 4.98 | 919,481 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,099,970 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,741 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,111 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,105 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,443 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,103 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,360 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,140 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,891 |
| Countries with Four Letters | 0 | - | 4.99 | 421,992 |
| African Physical Geography | 0 | - | 4.51 | 31,677 |
| Asian Physical Geography | 0 | - | 4.60 | 35,503 |
| Rivers of the United States | 0 | - | 4.93 | 66,132 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,410 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,444 |
| Capital Cities Chain | 0 | - | 4.83 | 82,635 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,794 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,267 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 179,934 |
| Country Chain | 0 | - | 4.96 | 216,966 |
| Countries by Emojis | 0 | - | 4.99 | 239,343 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,269 |
| Islands by Country #1 | 0 | - | 4.88 | 175,196 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,458 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,797 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,677 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,370 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,181 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,773 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,292 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,401 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,298 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,681 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,195 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,069 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,437 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,895 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,912 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,901 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,914 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,838 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,058 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,229 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,703 |
| The Only Country ... | 0 | - | 4.91 | 80,925 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,784 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,088 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,033 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,707 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,396 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,594 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,139 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,830 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,810 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,019 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,692 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,302 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,324 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,433 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,032 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,987 |
| Random Countries by Borders | 0 | - | 4.99 | 82,361 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 382,893 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,883 |
| Geological Extremes | 0 | - | 4.34 | 40,017 |
| European Physical Geography | 0 | - | 4.26 | 33,492 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,793 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,314 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,744 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,965 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,892 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,471 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,265 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 137,634 |
| National Animals | 0 | - | 4.24 | 89,646 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,687 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,585 |
| Bear in the Answers | 0 | - | 4.29 | 61,949 |
| Boundary Waters | 0 | - | 4.92 | 88,425 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,123 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,002 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,195 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,937 |
| Cities Chain #2 | 0 | - | 4.42 | 56,344 |
| Cities Chain #1 | 0 | - | 4.61 | 66,603 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,535 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,412 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,004 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,391,672 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 975,844 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,950 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,851 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 95,540 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,975 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 79,077 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 106,202 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 279,141 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,537 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,677 |
| South American Physical Geography | 0 | - | 4.58 | 18,334 |
| Seas of Europe | 0 | - | 4.37 | 84,617 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,301 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,503 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,420 |
| Landlocked Countries | 0 | - | 4.99 | 419,671 |
| Last Names by Country of Origin | 0 | - | 4.63 | 156,432 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,579 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.51 | 52,800 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,474 |
| Top 10 Hottest Asian Countries | 0 | - | 4.63 | 49,135 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,565 |
| Countries by Milk Production | 0 | - | 4.54 | 43,942 |
| Foods by Country of Origin #1 | 0 | - | 4.40 | 336,475 |
| Mountains by Country | 0 | - | 4.56 | 81,756 |
| Islands by Country #2 | 0 | - | 4.80 | 77,372 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,703 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,262 |
| Countries Which Eat the Most Beef | 0 | - | 4.46 | 50,257 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 239,507 |
| Animal Emojis | 0 | - | 4.73 | 84,396 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,538 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,725 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,815 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,033 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,634 |
| Fictional Cities | 0 | - | 4.26 | 47,939 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,125 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,568 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,599 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,221 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,946 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,208 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,113 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,274 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,930 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,812 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,673 |
| Island Countries | 0 | - | 4.99 | 710,067 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,300 |
| Himalayan Countries | 0 | - | 4.95 | 137,738 |
| Andean Countries | 0 | - | 4.95 | 84,082 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,324 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,857 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,955 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,436 |
| Danube Countries | 0 | - | 4.97 | 71,736 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,658 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,137 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,783 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,864 |
| European Landlocked Countries | 0 | - | 4.99 | 146,858 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,232 |
| Countries with the Most Species | 0 | - | 4.99 | 102,998 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,391 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,456 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,617 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,368 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,042 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,437 |
| Countries in the Alps | 0 | - | 4.87 | 117,811 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,214 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,528 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,466 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,258 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,195 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,775 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,369 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,260 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,020 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,624 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,522 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,369 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,269 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,991 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,255 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,273 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,340 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,116 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,621 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,650 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,708 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,430 |