| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,383 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,651 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,159 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,096 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,073 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,776 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,868 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,373 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,352 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,258 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,374 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,481 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,239 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,945 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,396 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,644 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,029 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,308 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,611 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,834 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,930 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,726 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,379 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,884 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,341 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,087 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,698 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,902 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,904 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,617 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,050 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,012 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,950 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,065 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,557 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,409 |
| Every Country Shape | 0 | - | 5.00 | 464,131 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,753 |
| Flags of North and South America | 0 | - | 4.99 | 372,236 |
| Former Flags | 0 | - | 4.97 | 107,541 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,333 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,316 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,924 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,010 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,349 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,671 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,310 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,942 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,352 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,308 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,355 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,013 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,184 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,542 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,067 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,764 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,121 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,621 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,427 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,606 |
| Flags of Oceania | 0 | - | 5.00 | 258,401 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,022 |
| Countries by Road Signs | 0 | - | 4.98 | 53,681 |
| Similar Flags #1 | 0 | - | 4.75 | 129,843 |
| Similar Flags #2 | 0 | - | 4.74 | 137,140 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,293 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,005 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,241 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,269 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,411 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,971 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,989 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,721 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 42,616 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,196 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,346 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 30,540 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,304,515 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,334 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.93 | 126,320 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,382 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,806 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,308 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,127 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,939 |
| Merged Countries #2 | 0 | - | 4.96 | 98,944 |
| Merged Countries #6 | 0 | - | 4.90 | 73,158 |
| Merged Countries #7 | 0 | - | 4.93 | 82,495 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,355,414 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,546,632 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,368 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,391 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,751 |
| Pixelated World Map | 0 | - | 5.00 | 143,206 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,681 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,455 |
| World Coats of Arms | 0 | - | 4.99 | 64,370 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,188 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,807 |
| Random Country Shape to Country | 0 | - | 4.90 | 112,918 |
| Landlocked Countries | 0 | - | 4.99 | 419,242 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 86,311 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,785 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 183,778 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 184,229 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,758,690 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 521,655 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 336,749 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,716,581 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,540 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,254 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,684 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,262 |
| Island Countries | 0 | - | 4.99 | 709,897 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,125 |
| Himalayan Countries | 0 | - | 4.95 | 137,545 |
| Andean Countries | 0 | - | 4.95 | 84,000 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,270 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,741 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,889 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,390 |
| Danube Countries | 0 | - | 4.97 | 71,700 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,609 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,093 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,705 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,782 |
| European Landlocked Countries | 0 | - | 4.99 | 146,809 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,173 |
| Countries with the Most Species | 0 | - | 4.99 | 102,946 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,321 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,437 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,598 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,328 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,005 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,392 |
| Countries in the Alps | 0 | - | 4.87 | 117,738 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,167 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,431 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,440 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,027 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,138 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,738 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,316 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,218 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,983 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,580 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,502 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,351 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,956 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,211 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,237 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,250 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,084 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,584 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,563 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,520 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,295 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,015 |
| Largest Countries By Category | 0 | - | 4.97 | 157,687 |
| Countries by Countries | 0 | - | 4.96 | 62,866 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,376,375 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,253 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,171 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,479 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,625 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,681 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,356 |
| Every American Country by Shape | 0 | - | 4.79 | 37,220 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 126,117 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,387 |
| Northernmost Countries | 0 | - | 4.99 | 360,614 |
| Countries of South America | 0 | - | 5.00 | 923,278 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,655 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,867,269 |
| "Land" Countries | 0 | - | 4.98 | 335,867 |
| Cross Flags of Europe | 0 | - | 4.43 | 298,502 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 75,496 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,738 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,838 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,118 |
| Countries with Megacities | 0 | - | 4.99 | 261,263 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,980 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,045 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,256 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,066 |
| Countries by Official Language | 0 | - | 4.95 | 194,689 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,608 |
| Countries in their Native Language | 0 | - | 4.99 | 198,243 |
| Independence from Whom | 0 | - | 4.99 | 211,388 |
| Subdivisions by Country | 0 | - | 4.86 | 50,299 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,767 |
| Megadiverse Countries | 0 | - | 4.96 | 134,789 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,585 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,202 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,765 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,027 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,739 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,399 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,019 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,861 |
