| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,629 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,906 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,230 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,769 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,853 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,666 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,401 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,403 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,130 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,110 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,948 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,155 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,248 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,010 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,710 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,189 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,510 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,911 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,066 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,381 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,578 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,697 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,567 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,388 |
| World Coats of Arms | 0 | - | 4.99 | 64,167 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,255 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,792 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,140 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,468 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,840 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,208 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,877 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,004 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,800 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,363 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,564 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,194,948 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,395 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,917 |
| Landlocked Countries | 0 | - | 4.99 | 417,063 |
| Merged Countries #2 | 0 | - | 4.96 | 98,763 |
| Merged Countries #6 | 0 | - | 4.90 | 72,995 |
| Merged Countries #7 | 0 | - | 4.93 | 82,255 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,455 |
| Pixelated World Map | 0 | - | 5.00 | 142,932 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,693 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,845 |
| Every Country Shape | 0 | - | 5.00 | 462,147 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,743,627 |
| Flags of North and South America | 0 | - | 4.99 | 370,570 |
| Former Flags | 0 | - | 4.97 | 107,226 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,115 |
| Himalayan Countries | 0 | - | 4.95 | 136,677 |
| Andean Countries | 0 | - | 4.95 | 83,572 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,829 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,107 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,495 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,088 |
| Danube Countries | 0 | - | 4.97 | 71,470 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,279 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,884 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,244 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,240 |
| European Landlocked Countries | 0 | - | 4.99 | 146,170 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,829 |
| Countries with the Most Species | 0 | - | 4.99 | 102,240 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,959 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,349 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,529 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,191 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,840 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,219 |
| Countries in the Alps | 0 | - | 4.86 | 117,396 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,937 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,000 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,284 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,782 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,873 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,295 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,039 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,019 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,846 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,384 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,385 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,221 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,764 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,030 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,037 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,794 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,921 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,453 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,283 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,235 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,683 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,858 |
| Largest Countries By Category | 0 | - | 4.97 | 157,327 |
| Countries by Countries | 0 | - | 4.96 | 62,638 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,928 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,094 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,415 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,131 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,315 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,310 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,995 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,067 |
| Island Countries | 0 | - | 4.99 | 708,986 |
| Similar Flags #1 | 0 | - | 4.74 | 129,560 |
| Similar Flags #2 | 0 | - | 4.74 | 136,855 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,814 |
| Northernmost Countries | 0 | - | 4.99 | 359,586 |
| Countries of South America | 0 | - | 5.00 | 920,256 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,737 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,107 |
| "Land" Countries | 0 | - | 4.98 | 334,862 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,678 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,150 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,852 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,468 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,634 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,477 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,458 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,249 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,948 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,594 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,595 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,789 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,048 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,697 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,683 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,309 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,862 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,369 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,941 |
| All Country Flags of the World | 0 | - | 5.00 | 3,633,667 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,436 |
| Countries with Megacities | 0 | - | 4.99 | 249,285 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,289 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,634 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,607 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,611 |
| Countries by Official Language | 0 | - | 4.95 | 194,127 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,933 |
| Countries in their Native Language | 0 | - | 4.99 | 197,739 |
| Independence from Whom | 0 | - | 4.99 | 210,912 |
| Subdivisions by Country | 0 | - | 4.86 | 50,215 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,415 |
| Megadiverse Countries | 0 | - | 4.96 | 134,577 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,928 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,092 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,651 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,958 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,489 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,256 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,664 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,580 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,393 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,815 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,390 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,602 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,703 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,668 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,880 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,232 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,687 |
| World Map Quiz | 0 | - | 4.81 | 64,176 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,614 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,060 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,728 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,992 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,006 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,173 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,742 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,834 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 29,697 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,126 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,714 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,444 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,805 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,315 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,503 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,666 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,169 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,798 |
| Widest Countries East to West | 0 | - | 4.92 | 129,185 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,336 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,710 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,939 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,981 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,016 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,393 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,134 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,685 |
| Countries with Double Letters | 0 | - | 4.96 | 94,326 |
| Countries that End in N | 0 | - | 4.95 | 167,971 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 264,580 |
| Countries with Six Letters | 0 | - | 4.93 | 211,418 |
| Countries with W | 0 | - | 4.97 | 158,968 |
| Countries with Z | 0 | - | 4.98 | 288,992 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,183 |
| Countries That End in U | 0 | - | 4.95 | 120,049 |
