| Country Flags Multiple Choice | 0 | - | 4.97 | 143,860 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,811 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,139 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,567 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,668 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,039 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,509 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,696 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,380 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,187 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,131 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,990 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,980 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,773 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,026 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,108 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,878 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,586 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,064 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,440 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,825 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,956 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,265 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,453 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,584 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,502 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,356 |
| World Coats of Arms | 0 | - | 4.99 | 64,075 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,190 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,740 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 44,032 |
| Countries by Road Signs | 0 | - | 4.98 | 53,332 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,318 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,801 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,541 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,283 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,841 |
| Merged Countries #2 | 0 | - | 4.96 | 98,652 |
| Merged Countries #6 | 0 | - | 4.90 | 72,904 |
| Merged Countries #7 | 0 | - | 4.92 | 82,145 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,104,582 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,112 |
| Pixelated World Map | 0 | - | 5.00 | 142,784 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,817 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,263 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,537 |
| Every Country Shape | 0 | - | 5.00 | 461,037 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,168 |
| Flags of North and South America | 0 | - | 4.99 | 369,526 |
| Former Flags | 0 | - | 4.97 | 107,066 |
| Landlocked Countries | 0 | - | 4.99 | 415,884 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,227 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,716 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,225 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,465 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,161 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,814 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,956 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,769 |
| Similar Flags #1 | 0 | - | 4.74 | 129,410 |
| Similar Flags #2 | 0 | - | 4.74 | 136,687 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,318 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,353 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,030 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,757 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,337 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,182 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,631 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,921 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,579 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,560 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,227 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,768 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,275 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,835 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,176 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,574 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,099 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,527 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,710,430 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,290 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,445 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,129 |
| Island Countries | 0 | - | 4.99 | 708,558 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,539 |
| Himalayan Countries | 0 | - | 4.95 | 136,179 |
| Andean Countries | 0 | - | 4.95 | 83,281 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,579 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,774 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,276 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,901 |
| Danube Countries | 0 | - | 4.97 | 71,319 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,088 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,773 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,990 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,949 |
| European Landlocked Countries | 0 | - | 4.99 | 146,026 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,636 |
| Countries with the Most Species | 0 | - | 4.99 | 95,383 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,772 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,292 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,465 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,104 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,750 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,125 |
| Countries in the Alps | 0 | - | 4.86 | 117,223 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,824 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,720 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,200 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,650 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,453 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,194 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,886 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,940 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,739 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,274 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,308 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,174 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,663 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,928 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,938 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,578 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,837 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,377 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,113 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,591 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,391 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,773 |
| Largest Countries By Category | 0 | - | 4.97 | 157,145 |
| Countries by Countries | 0 | - | 4.96 | 62,512 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,579 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,764 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,053 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,394 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,488 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,347 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,025 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,454 |
| Northernmost Countries | 0 | - | 4.99 | 359,007 |
| Countries of South America | 0 | - | 5.00 | 918,654 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,433 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,226 |
| "Land" Countries | 0 | - | 4.98 | 334,256 |
| All Country Flags of the World | 0 | - | 5.00 | 3,623,006 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,931 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,609 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,861 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,863 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,064 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,759 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 29,198 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,259,479 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,848 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,851 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,579 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,078 |
| Countries with Megacities | 0 | - | 4.99 | 248,550 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,958 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,443 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,332 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,390 |
| Countries by Official Language | 0 | - | 4.95 | 193,722 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,209 |
| Countries in their Native Language | 0 | - | 4.99 | 197,390 |
| Independence from Whom | 0 | - | 4.99 | 210,362 |
| Subdivisions by Country | 0 | - | 4.86 | 50,167 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,195 |
| Megadiverse Countries | 0 | - | 4.96 | 134,496 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,587 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,048 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,582 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,930 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,952 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,167 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,450 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,499 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,324 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,056 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,055 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,548 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,648 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,618 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,823 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,159 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,304 |
| World Map Quiz | 0 | - | 4.81 | 63,919 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,988 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.93 | 125,896 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,643 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,431 |
| Countries by Founding Story | 0 | - | 4.95 | 76,798 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,929 |
| One Border Countries - Shape Quiz | 0 | - | 4.83 | 64,625 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,152 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,952 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,783 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 94,361 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,463 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,433 |
