| Battle to Country | 0 | - | 4.91 | 53,765 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,057 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,029 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,623 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,390 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,781 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,274 |
| Countries with Four Letters | 0 | - | 4.99 | 424,980 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,601 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,454 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,757,389 |
| Companies by Country | 0 | - | 4.61 | 120,040 |
| Landlocked Countries | 0 | - | 4.99 | 424,152 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,997 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,113 |
| Countries in World War I | 0 | - | 4.88 | 228,848 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,803 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,658 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,068 |
| Country Chain | 0 | - | 4.96 | 218,111 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,331 |
| Countries by Emojis | 0 | - | 4.99 | 241,321 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,394 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,866 |
| Islands by Country #1 | 0 | - | 4.90 | 176,061 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,074 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,403 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,274 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,794,210 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,291 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,311 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,033 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,383 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,420 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,336 |
| Name a Valid Country #6 | 0 | - | 4.95 | 142,629 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,228 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,422 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,163 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,479 |
| Himalayan Countries | 0 | - | 4.94 | 139,647 |
| Andean Countries | 0 | - | 4.94 | 85,120 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,308 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,544 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,876 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,162 |
| Danube Countries | 0 | - | 4.97 | 72,242 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,372 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,667 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,786 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,271 |
| European Landlocked Countries | 0 | - | 4.99 | 147,417 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,026 |
| Countries with the Most Species | 0 | - | 4.99 | 103,448 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,166 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,696 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,806 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,526 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,572 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,722 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,450 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,872 |
| Countries in the Alps | 0 | - | 4.87 | 118,528 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,192 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,520 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,834 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,843 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,772 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,959 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,699 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,321 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,037 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,777 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,642 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,413 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,654 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,745 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,434 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,492 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,512 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,407 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,167 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,441 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,063 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,749 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,406 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,990 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,775 |
| Largest Countries By Category | 0 | - | 4.97 | 158,592 |
| Orthodox Countries | 0 | - | 4.92 | 132,597 |
| Countries by Countries | 0 | - | 4.96 | 63,470 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,210 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,506 |
| Monarchies of Europe | 0 | - | 4.90 | 98,664 |
| Monarchies of Asia | 0 | - | 4.97 | 71,392 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,609 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,576 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,302 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,045 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,701 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,356 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,847 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,633 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,857 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,943 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,192 |
| Books by Country Quiz | 0 | - | 4.30 | 32,300 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,437 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,320 |
| Random Countries by Borders | 0 | - | 4.99 | 82,888 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,156 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,633 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,203 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,731 |
| Island Countries | 0 | - | 4.99 | 711,922 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,803 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,889 |
| Northernmost Countries | 0 | - | 4.99 | 363,259 |
| Countries of South America | 0 | - | 5.00 | 930,428 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,830 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,457 |
| "Land" Countries | 0 | - | 4.98 | 337,977 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 386,423 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,151 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,444 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,901 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,288 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,083 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,598 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,631 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 139,474 |
| Landforms by Country | 0 | - | 4.52 | 52,006 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,643 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,580 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,641 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,773 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,874 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,621 |
| Countries with Megacities | 0 | - | 4.99 | 266,119 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,370 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,818 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,652 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,942 |
| Countries by Official Language | 0 | - | 4.95 | 195,715 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,220 |
| Countries in their Native Language | 0 | - | 4.99 | 199,487 |
| Independence from Whom | 0 | - | 4.99 | 212,673 |
| Subdivisions by Country | 0 | - | 4.87 | 50,548 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,161 |
| Megadiverse Countries | 0 | - | 4.96 | 135,168 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,613 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,468 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,365 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,171 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,406 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,725 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,835 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,483 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,763 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,215 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,138 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,285 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,353 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,073 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,495 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,613 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,932 |
| World Map Quiz | 0 | - | 4.81 | 65,409 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 158,444 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,550 |
| Countries by Founding Story | 0 | - | 4.95 | 77,629 |
| Countries by Road Signs | 0 | - | 4.98 | 54,233 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,915 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,836 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,398 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,122 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,245 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,377 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,572 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,607 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,747 |
| Widest Countries East to West | 0 | - | 4.92 | 130,272 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,549 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,064 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,452 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,959 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,834 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,328 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,456 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,859 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,591 |
| Political Movements by Country | 0 | - | 4.46 | 72,708 |
| Countries with Double Letters | 0 | - | 4.96 | 96,748 |
| Countries that End in N | 0 | - | 4.95 | 171,636 |
| Countries with Five Letters | 0 | - | 4.96 | 283,313 |
| Countries with Six Letters | 0 | - | 4.94 | 214,085 |
| Countries with W | 0 | - | 4.96 | 160,703 |
| Countries with Z | 0 | - | 4.98 | 292,053 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,059 |
