| Word Scramble - Countries | 0 | - | 4.86 | 2,087,693 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,740 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,308 |
| Random Countries by Borders | 0 | - | 4.99 | 81,657 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,973 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,446 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,690 |
| Random Country to Capital | 0 | - | 4.98 | 911,443 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,905,356 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,723 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,108 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,078 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,207 |
| Countries with Four Letters | 0 | - | 4.99 | 418,445 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,800 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,170 |
| Landlocked Countries | 0 | - | 4.99 | 413,440 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,286 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,406 |
| Country Chain | 0 | - | 4.96 | 215,694 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,273 |
| Countries by Emojis | 0 | - | 4.99 | 236,106 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,093 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,942 |
| Islands by Country #1 | 0 | - | 4.87 | 174,466 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,902 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,266 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,324 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,715,109 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,763 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,376 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,343 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,517 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,755 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,359 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,508 |
| Himalayan Countries | 0 | - | 4.95 | 135,293 |
| Andean Countries | 0 | - | 4.94 | 82,796 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,193 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,152 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,867 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,571 |
| Danube Countries | 0 | - | 4.97 | 71,064 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,734 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,520 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,429 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,353 |
| European Landlocked Countries | 0 | - | 4.99 | 145,732 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,174 |
| Countries with the Most Species | 0 | - | 4.99 | 95,234 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,311 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,194 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,362 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,948 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,562 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,937 |
| Countries in the Alps | 0 | - | 4.86 | 116,790 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,539 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,225 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,993 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,404 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,136 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,979 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,553 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,738 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,190 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,037 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,190 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,032 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,433 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,723 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,737 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,024 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,623 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,247 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,753 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,190 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,612 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,592 |
| Largest Countries By Category | 0 | - | 4.97 | 156,723 |
| Countries by Countries | 0 | - | 4.96 | 62,243 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,353 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,958 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,744 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,656 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,065 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,750 |
| Island Countries | 0 | - | 4.99 | 707,551 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,254 |
| Northernmost Countries | 0 | - | 4.99 | 357,636 |
| Countries of South America | 0 | - | 5.00 | 914,415 |
| Countries of Oceania | 0 | - | 5.00 | 1,040,089 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,725 |
| "Land" Countries | 0 | - | 4.98 | 333,599 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,418 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,436 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,321 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,328 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,835 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,819 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,653 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,614 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,527 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,763 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,284 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,409 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,588 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,181 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,081 |
| Countries with Megacities | 0 | - | 4.99 | 246,705 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,016 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,881 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,437 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,799 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,153 |
| Countries by Official Language | 0 | - | 4.95 | 192,733 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,071 |
| Countries in their Native Language | 0 | - | 4.99 | 196,598 |
| Independence from Whom | 0 | - | 4.99 | 209,641 |
| Subdivisions by Country | 0 | - | 4.86 | 50,060 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,717 |
| Megadiverse Countries | 0 | - | 4.97 | 133,884 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,765 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,910 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,420 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,854 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,630 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,987 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,890 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,131 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,208 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,738 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,535 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,405 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,480 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,491 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,656 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,013 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,531 |
| World Map Quiz | 0 | - | 4.81 | 63,476 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,756 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,569 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,436 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,310 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,314 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,967 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,928 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,693 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,835 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,043 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,257 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,934 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,324 |
| Widest Countries East to West | 0 | - | 4.92 | 128,594 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,215 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,187 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,560 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,678 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,613 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,024 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,049 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,574 |
| Countries with Double Letters | 0 | - | 4.97 | 93,351 |
| Countries that End in N | 0 | - | 4.94 | 156,584 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,643 |
| Countries with Six Letters | 0 | - | 4.93 | 210,317 |
| Countries with W | 0 | - | 4.97 | 158,202 |
| Countries with Z | 0 | - | 4.98 | 287,829 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,525 |
| Countries That End in U | 0 | - | 4.95 | 119,505 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,508 |
| Countries that End in O | 0 | - | 4.92 | 158,537 |
| Countries that End in R | 0 | - | 4.87 | 118,260 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,851 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,981 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,301 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,476 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,992 |
| Countries That End in Y | 0 | - | 4.90 | 185,192 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,338 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,656 |
| Countries that End in I | 0 | - | 4.94 | 134,400 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,159 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,181 |
| Countries That End in NIA | 0 | - | 4.92 | 108,992 |
| Countries That End in BIA | 0 | - | 4.92 | 147,694 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,043 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,472 |
| Countries That End in RIA | 0 | - | 4.93 | 126,063 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,984 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,154 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,503 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,878 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,339 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,918 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,101 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,628 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,484 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,808 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,788 |
