| African Great Lakes | 0 | - | 4.82 | 65,336 |
| Sea in the Answers | 0 | - | 4.10 | 48,600 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,835 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,932 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,111 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,190 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,932 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,221 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,893 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,492 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,343 |
| 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 | 5,593,141 |
| South China Sea Countries | 0 | - | 4.78 | 57,520 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,852 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,024 |
| Random Country to Capital | 0 | - | 4.98 | 912,835 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,090,169 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,746 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,409 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,218 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,583 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,462 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,446 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,515 |
| Countries With One Word and Two U's | 0 | - | 4.47 | 50,491 |
| Countries with Four Letters | 0 | - | 4.99 | 419,130 |
| 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 | 68,107 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,410 |
| Capital Cities Chain | 0 | - | 4.84 | 82,029 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,117 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,528 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,645 |
| Country Chain | 0 | - | 4.96 | 215,942 |
| Countries by Emojis | 0 | - | 4.99 | 236,999 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,491 |
| Islands by Country #1 | 0 | - | 4.87 | 174,594 |
| Regions of Countries #1 | 0 | - | 4.97 | 159,004 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,353 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,392 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,210 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,533 |
| Name a Valid Country #3 | 0 | - | 4.99 | 260,154 |
| Name a Valid Country #1 | 0 | - | 4.99 | 284,336 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,837 |
| Name a Valid Country #4 | 0 | - | 4.97 | 252,204 |
| Name a Valid Country #5 | 0 | - | 4.99 | 190,164 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,713 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,781 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,295 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,342 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 712,996 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,515 |
| 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 | 53,015 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,178 |
| The Only Country ... | 0 | - | 4.91 | 80,077 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,593 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,538 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,439 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,410 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,937 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,880 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,745 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,921 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,133 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,608 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,652 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,501 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,574 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,627 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,664 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,183 |
| Random Countries by Borders | 0 | - | 4.99 | 81,763 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 379,365 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,462 |
| Geological Extremes | 0 | - | 4.34 | 39,958 |
| African Physical Geography | 0 | - | 4.51 | 31,586 |
| 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 | 230,900 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,717 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,446 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,753 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 135,334 |
| 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 | 274,525 |
| Bear in the Answers | 0 | - | 4.29 | 61,647 |
| Boundary Waters | 0 | - | 4.92 | 88,099 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,866 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,421 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,021 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,491 |
| 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 | 40,272 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,978 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,165 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,003,358 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 957,085 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,677 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,655 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 93,655 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,869 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,280 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,876 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,808 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 277,640 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,351 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,638 |
| South American Physical Geography | 0 | - | 4.58 | 18,284 |
| Seas of Europe | 0 | - | 4.37 | 83,883 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,678 |
| 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 | 414,633 |
| Last Names by Country of Origin | 0 | - | 4.63 | 155,993 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,512 |
| Countries that Produce the Most Cheese per Capita | 0 | - | 4.53 | 52,578 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,250 |
| Top 10 Hottest Asian Countries | 0 | - | 4.61 | 48,976 |
| Countries That Produce the Most Spices | 0 | - | 4.44 | 41,477 |
| Countries by Milk Production | 0 | - | 4.54 | 43,680 |
| Mountains by Country | 0 | - | 4.64 | 81,572 |
| Islands by Country #2 | 0 | - | 4.80 | 77,062 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,151 |
| Countries with More Cows than People | 0 | - | 4.44 | 58,163 |
| 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 | 236,987 |
| Animal Emojis | 0 | - | 4.70 | 83,435 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,236 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,114 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,992 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,217 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,222 |
| Fictional Cities | 0 | - | 4.25 | 47,887 |
| Word Scramble - Cities #2 | 0 | - | 4.54 | 25,050 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,457 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,887 |
| 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 | 372,500 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,371 |
| Island Countries | 0 | - | 4.99 | 708,026 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,013 |
| Himalayan Countries | 0 | - | 4.95 | 135,717 |
| Andean Countries | 0 | - | 4.94 | 83,032 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,381 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,451 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,080 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,742 |
| Danube Countries | 0 | - | 4.97 | 71,186 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,907 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,645 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,718 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,618 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,371 |
| Countries with the Most Species | 0 | - | 4.99 | 95,301 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,541 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,239 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,407 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,020 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,658 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,026 |
| Countries in the Alps | 0 | - | 4.86 | 116,990 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,686 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,462 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,111 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,301 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,095 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,703 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,845 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,605 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,155 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,235 |
| 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 | 103,543 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,829 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,304 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,741 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,951 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,880 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,007 |
