| Battle to Country | 0 | - | 4.91 | 52,448 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,246 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,547 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,500 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,886 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,877 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,099 |
| Countries with Four Letters | 0 | - | 4.99 | 418,110 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,663 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,053 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,862,188 |
| Companies by Country | 0 | - | 4.56 | 118,620 |
| Landlocked Countries | 0 | - | 4.99 | 412,978 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,630 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,667 |
| Countries in World War I | 0 | - | 4.88 | 226,335 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,259 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,175 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,297 |
| Country Chain | 0 | - | 4.96 | 215,589 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,285 |
| Countries by Emojis | 0 | - | 4.99 | 235,871 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,034 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,817 |
| Islands by Country #1 | 0 | - | 4.87 | 174,405 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,852 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,223 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,292 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,756 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,538 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,585 |
| Name a Valid Country #1 | 0 | - | 4.99 | 282,958 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,128 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,283 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,587 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,209 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,314 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,831 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,053 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,306 |
| Himalayan Countries | 0 | - | 4.95 | 135,101 |
| Andean Countries | 0 | - | 4.94 | 82,690 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,101 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,024 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,789 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,496 |
| Danube Countries | 0 | - | 4.97 | 71,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,662 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,469 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,315 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,231 |
| European Landlocked Countries | 0 | - | 4.99 | 145,681 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,070 |
| Countries with the Most Species | 0 | - | 4.99 | 95,200 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,228 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,178 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,336 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,324 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,383 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,914 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,525 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,887 |
| Countries in the Alps | 0 | - | 4.87 | 116,707 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,491 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,110 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,953 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,336 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,076 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,942 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,486 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,696 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,364 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,983 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,169 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,003 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,381 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,689 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,688 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,907 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,579 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,274 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,209 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,894 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,692 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,897 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,410 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,549 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,291 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,776 |
| Largest Countries By Category | 0 | - | 4.97 | 156,645 |
| Orthodox Countries | 0 | - | 4.91 | 130,270 |
| Countries by Countries | 0 | - | 4.96 | 62,184 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,545 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,573 |
| Monarchies of Europe | 0 | - | 4.90 | 97,225 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,294 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,585 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,113 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,249 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,286 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,937 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,932 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,308 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 76,985 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,673 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,383 |
| Books by Country Quiz | 0 | - | 4.30 | 32,168 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,545 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,492 |
| Random Countries by Borders | 0 | - | 4.99 | 81,586 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,036 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,158 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,872 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,066 |
| Island Countries | 0 | - | 4.99 | 707,296 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,401 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,525 |
| Northernmost Countries | 0 | - | 4.99 | 357,327 |
| Countries of South America | 0 | - | 5.00 | 913,596 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,912 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,622 |
| "Land" Countries | 0 | - | 4.98 | 333,457 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,045 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,268 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,935 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,367 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,116 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,305 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,161 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,015 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,518 |
| Landforms by Country | 0 | - | 4.52 | 51,909 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,180 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,040 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,456 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,746 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,219 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,895 |
| Countries with Megacities | 0 | - | 4.99 | 246,274 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,816 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,750 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,273 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,689 |
| Countries by Official Language | 0 | - | 4.95 | 192,612 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,919 |
| Countries in their Native Language | 0 | - | 4.99 | 196,498 |
| Independence from Whom | 0 | - | 4.99 | 209,510 |
| Subdivisions by Country | 0 | - | 4.86 | 50,036 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,600 |
| Megadiverse Countries | 0 | - | 4.97 | 133,837 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,669 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,881 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,380 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,840 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,563 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,945 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,607 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,073 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,185 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,718 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,418 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,373 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,443 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,457 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,611 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,986 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,382 |
| World Map Quiz | 0 | - | 4.81 | 63,386 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,287 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,233 |
| Countries by Founding Story | 0 | - | 4.95 | 76,458 |
| Countries by Road Signs | 0 | - | 4.98 | 53,003 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,188 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,894 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,865 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,543 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,785 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,979 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,187 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,887 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,272 |
| Widest Countries East to West | 0 | - | 4.92 | 128,535 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,194 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,100 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,528 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,633 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,528 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,960 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,033 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,553 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,439 |
| Political Movements by Country | 0 | - | 4.46 | 72,231 |
| Countries with Double Letters | 0 | - | 4.97 | 93,244 |
| Countries that End in N | 0 | - | 4.94 | 156,308 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,519 |
| Countries with Six Letters | 0 | - | 4.93 | 210,214 |
| Countries with W | 0 | - | 4.97 | 158,116 |
| Countries with Z | 0 | - | 4.98 | 287,574 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,445 |
