| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,157 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 152,626 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,560 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,474 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,789 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,848,472 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,507 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,235 |
| Countries by Emojis | 0 | - | 4.99 | 235,775 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,014 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,790 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,511 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,898 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,672 |
| Countries that Start with D | 0 | - | 4.96 | 700,454 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,217 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,382 |
| Countries that Start with H | 0 | - | 4.96 | 597,016 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,141 |
| Countries that Start with J | 0 | - | 4.98 | 595,080 |
| Countries that Start with K | 0 | - | 4.96 | 808,577 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,868 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,720 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,564 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,120 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,391 |
| Countries that Start with U | 0 | - | 4.97 | 899,012 |
| Countries that Start with V | 0 | - | 4.98 | 604,491 |
| Countries that Start with F | 0 | - | 4.83 | 611,432 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,182 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| Landlocked Countries | 0 | - | 4.99 | 412,849 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,239 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,247 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,867 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,279 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,762 |
| Orthodox Countries | 0 | - | 4.91 | 130,246 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,510 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,556 |
| Battle to Country | 0 | - | 4.91 | 52,423 |
| Monarchies of Europe | 0 | - | 4.90 | 97,198 |
| Monarchies of Asia | 0 | - | 4.97 | 70,532 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,376 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,534 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,450 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,458 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,302 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,603 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,777 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,193 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,345 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,075 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,283 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,147 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,997 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,482 |
| Companies by Country | 0 | - | 4.56 | 118,601 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,160 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,017 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,445 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,227 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,925 |
| Name a Valid African Country | 0 | - | 4.98 | 152,797 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,979 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,814 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,972 |
| Island Countries | 0 | - | 4.99 | 707,218 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,219 |
| Himalayan Countries | 0 | - | 4.95 | 135,043 |
| Andean Countries | 0 | - | 4.94 | 82,656 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,077 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,978 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,750 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,457 |
| Danube Countries | 0 | - | 4.97 | 70,989 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,633 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,450 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,279 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,190 |
| European Landlocked Countries | 0 | - | 4.99 | 145,663 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,044 |
| Countries with the Most Species | 0 | - | 4.99 | 95,184 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,188 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,173 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,332 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,907 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,507 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,862 |
| Countries in the Alps | 0 | - | 4.87 | 116,678 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,464 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,065 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,935 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,318 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,061 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,934 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,466 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,682 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,283 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,964 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,994 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,357 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,667 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,670 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,855 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,564 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,199 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,659 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,813 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,351 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,534 |
| Largest Countries By Category | 0 | - | 4.97 | 156,602 |
| Countries by Countries | 0 | - | 4.96 | 62,159 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,359,940 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,204 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,931 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,649 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,284 |
| Northernmost Countries | 0 | - | 4.99 | 357,220 |
| Political Movements by Country | 0 | - | 4.46 | 72,221 |
| Countries of South America | 0 | - | 5.00 | 913,310 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,517 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,012 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,337 |
| "Land" Countries | 0 | - | 4.98 | 333,407 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,038 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,123 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,033 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,883 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,040 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,418 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,002 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,852 |
| Countries with Megacities | 0 | - | 4.99 | 246,153 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,771 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,727 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,664 |
| Countries by Official Language | 0 | - | 4.95 | 192,581 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,853 |
| Countries in their Native Language | 0 | - | 4.99 | 196,458 |
| Independence from Whom | 0 | - | 4.99 | 209,446 |
| Subdivisions by Country | 0 | - | 4.86 | 50,032 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,579 |
| Countries in World War I | 0 | - | 4.88 | 226,058 |
| Megadiverse Countries | 0 | - | 4.97 | 133,829 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,222 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,641 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,875 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,370 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,833 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,530 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,937 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,585 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,058 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,173 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,711 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,367 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,359 |
| Hindu Countries | 0 | - | 4.85 | 49,440 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,423 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,441 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,600 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,978 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,331 |
| World Map Quiz | 0 | - | 4.81 | 63,350 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,192 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,213 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,142 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,874 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,846 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,494 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,759 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,958 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,166 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,875 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,250 |
| Widest Countries East to West | 0 | - | 4.92 | 128,515 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,073 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,519 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,620 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,515 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,944 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,031 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,551 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 334,395 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,624 |
| Countries with Double Letters | 0 | - | 4.97 | 93,210 |
| Countries that End in N | 0 | - | 4.94 | 156,277 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,470 |
| Countries with Six Letters | 0 | - | 4.93 | 210,170 |
| Countries with W | 0 | - | 4.97 | 158,088 |
| Countries with Z | 0 | - | 4.98 | 287,313 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,423 |
| Countries That End in U | 0 | - | 4.95 | 119,440 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,321 |
| Countries that End in O | 0 | - | 4.92 | 158,473 |
| Countries that End in R | 0 | - | 4.86 | 118,197 |
