| Islands by Country #1 | 0 | - | 4.88 | 175,469 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,385 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,631,959 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,056 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,502 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,301 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,880 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,768 |
| Countries with Four Letters | 0 | - | 4.99 | 423,271 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,957 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,894 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,579,061 |
| Landlocked Countries | 0 | - | 4.99 | 421,923 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,686 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 722,595 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,034 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,301 |
| Country Chain | 0 | - | 4.96 | 217,378 |
| Countries by Emojis | 0 | - | 4.99 | 240,341 |
| African Island Countries | 0 | - | 4.96 | 101,850 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,095 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,628 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,018 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,800 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,778,282 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,347 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,608 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,160 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,423 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,587 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,611 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,937 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,414 |
| Himalayan Countries | 0 | - | 4.94 | 138,692 |
| Andean Countries | 0 | - | 4.93 | 84,593 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,789 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,798 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,412 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,797 |
| Danube Countries | 0 | - | 4.97 | 72,002 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,010 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,420 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,294 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,774 |
| European Landlocked Countries | 0 | - | 4.99 | 147,139 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,630 |
| Countries with the Most Species | 0 | - | 4.99 | 103,243 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,756 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,590 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,721 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,148 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,324 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,539 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,222 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,657 |
| Countries in the Alps | 0 | - | 4.87 | 118,197 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,090 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,027 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,639 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,594 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,505 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,945 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,669 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,487 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,176 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,841 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,650 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,521 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,218 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,464 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,517 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,895 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,305 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,261 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,727 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,067 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,910 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,085 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,225 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,851 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,595 |
| Largest Countries By Category | 0 | - | 4.97 | 158,202 |
| Countries by Countries | 0 | - | 4.96 | 63,219 |
| Richest Island Countries | 0 | - | 4.84 | 100,768 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,922 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,337 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,640 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,559 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,599 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,677 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,106 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,284 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,673 |
| Islands by Country #2 | 0 | - | 4.80 | 77,536 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,185 |
| Random Countries by Borders | 0 | - | 4.99 | 82,612 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,396 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,538 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,488 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,184 |
| Island Countries | 0 | - | 4.99 | 711,032 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,383,575 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,802 |
| Northernmost Countries | 0 | - | 4.99 | 361,942 |
| Countries of South America | 0 | - | 5.00 | 927,276 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,767 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,877,125 |
| "Land" Countries | 0 | - | 4.98 | 337,321 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 384,729 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,584 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,345 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,004 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,290 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,287 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,547 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,598 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,281 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,995 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,102 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,958 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,875 |
| Countries with Megacities | 0 | - | 4.99 | 264,516 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,730 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,461 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,985 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,534 |
| Countries by Official Language | 0 | - | 4.95 | 195,238 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,362 |
| Countries in their Native Language | 0 | - | 4.99 | 199,033 |
| Independence from Whom | 0 | - | 4.99 | 212,080 |
| Subdivisions by Country | 0 | - | 4.86 | 50,430 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,719 |
| Megadiverse Countries | 0 | - | 4.96 | 135,006 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,077 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,346 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,233 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,097 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,133 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,594 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,463 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,030 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,652 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,145 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,661 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,877 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,199 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,961 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,880 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,344 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,494 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,167 |
| World Map Quiz | 0 | - | 4.81 | 65,078 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,262 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,344 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,084 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,273 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,992 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,175 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,881 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,004 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,295 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,435 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,567 |
| Widest Countries East to West | 0 | - | 4.92 | 129,635 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,453 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,369 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,117 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,765 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,594 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,864 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,371 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,796 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,026 |
| Countries with Double Letters | 0 | - | 4.96 | 96,221 |
| Countries that End in N | 0 | - | 4.95 | 171,097 |
| Countries with Five Letters | 0 | - | 4.96 | 282,421 |
| Countries with Six Letters | 0 | - | 4.94 | 213,525 |
| Countries with W | 0 | - | 4.97 | 160,312 |
| Countries with Z | 0 | - | 4.98 | 291,423 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,683 |
| Countries That End in U | 0 | - | 4.95 | 120,845 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,444 |
| Countries that End in O | 0 | - | 4.92 | 159,503 |
| Countries that End in R | 0 | - | 4.87 | 118,962 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,724 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,064 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,683 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,465 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,386 |
| Countries That End in Y | 0 | - | 4.91 | 185,865 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,900 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,843 |
| Countries that End in I | 0 | - | 4.94 | 135,085 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,085 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,818 |
| Countries That End in NIA | 0 | - | 4.92 | 109,778 |
| Countries That End in BIA | 0 | - | 4.93 | 149,187 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,111 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,415 |
| Countries That End in RIA | 0 | - | 4.93 | 126,800 |