| African Great Lakes | 0 | - | 4.82 | 65,339 |
| Sea in the Answers | 0 | - | 4.10 | 48,600 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,836 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,932 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,112 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,191 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,932 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,223 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,895 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,492 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,344 |
| Landforms by Country | 0 | - | 4.52 | 51,924 |
| Capitals by River | 0 | - | 4.55 | 48,245 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,407 |
| South China Sea Countries | 0 | - | 4.78 | 57,522 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,853 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,078 |
| Random Country to Capital | 0 | - | 4.98 | 912,868 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,090,216 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,755 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,415 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,224 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,587 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,466 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,450 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,515 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,492 |
| Countries with Four Letters | 0 | - | 4.99 | 419,140 |
| Asian Physical Geography | 0 | - | 4.61 | 35,392 |
| Rivers of the United States | 0 | - | 4.93 | 65,614 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 68,111 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,414 |
| Capital Cities Chain | 0 | - | 4.84 | 82,031 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,121 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,531 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,651 |
| Country Chain | 0 | - | 4.96 | 215,942 |
| Countries by Emojis | 0 | - | 4.99 | 237,006 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,507 |
| Islands by Country #1 | 0 | - | 4.87 | 174,595 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,008 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,354 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,394 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,214 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,536 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,158 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,348 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,847 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,211 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,170 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,716 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,786 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,299 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,346 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 713,018 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,520 |
| 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 | 35,932 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,017 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,179 |
| The Only Country ... | 0 | - | 4.91 | 80,080 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,597 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,539 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,442 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,410 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,938 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,885 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,748 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,926 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,136 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,615 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,655 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,517 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,580 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,628 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,667 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,189 |
| Random Countries by Borders | 0 | - | 4.99 | 81,765 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,380 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,464 |
| Geological Extremes | 0 | - | 4.34 | 39,958 |
| African Physical Geography | 0 | - | 4.51 | 31,587 |
| European Physical Geography | 0 | - | 4.26 | 33,387 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,742 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,037 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,524 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,905 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,721 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,452 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,753 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,344 |
| National Animals | 0 | - | 4.24 | 89,185 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,594 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,526 |
| Bear in the Answers | 0 | - | 4.29 | 61,647 |
| Boundary Waters | 0 | - | 4.92 | 88,100 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,869 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,425 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,023 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,494 |
| Cities Chain #2 | 0 | - | 4.42 | 56,190 |
| Cities Chain #1 | 0 | - | 4.61 | 66,376 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,274 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,978 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,166 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,004,571 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 957,092 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,680 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,656 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,655 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,875 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,283 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,876 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,810 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,642 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,356 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,638 |
| South American Physical Geography | 0 | - | 4.58 | 18,284 |
| Seas of Europe | 0 | - | 4.37 | 83,884 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,788 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,871 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,344 |
| Landlocked Countries | 0 | - | 4.99 | 414,662 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,997 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,512 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,580 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,251 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,977 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,477 |
| Countries by Milk Production | 0 | - | 4.54 | 43,681 |
| Mountains by Country | 0 | - | 4.64 | 81,573 |
| Islands by Country #2 | 0 | - | 4.80 | 77,062 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,305 |
| Countries with More Cows than People | 0 | - | 4.44 | 58,305 |
| 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 | 236,990 |
| Animal Emojis | 0 | - | 4.70 | 83,436 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,236 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,115 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,998 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,219 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,250 |
| Fictional Cities | 0 | - | 4.25 | 47,887 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,050 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,484 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,900 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,117 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,804 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,012 |
| Cities that End in N by Clue | 0 | - | 4.55 | 53,954 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,099 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,814 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,505 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,379 |
| Island Countries | 0 | - | 4.99 | 708,032 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,025 |
| Himalayan Countries | 0 | - | 4.95 | 135,724 |
| Andean Countries | 0 | - | 4.94 | 83,037 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,384 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,458 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,083 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,745 |
| Danube Countries | 0 | - | 4.97 | 71,188 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,910 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,645 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,721 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,619 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,377 |
| Countries with the Most Species | 0 | - | 4.99 | 95,302 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,544 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,240 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,408 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,021 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,659 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,029 |
| Countries in the Alps | 0 | - | 4.86 | 116,994 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,687 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,465 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,112 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,302 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,705 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,845 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,606 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,158 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,236 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,103 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 65,939 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,547 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,830 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,306 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,742 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,954 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,886 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,009 |
