| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,411 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,396 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,970 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,230 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,664 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,378 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,725 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,452 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,385 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,393 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,321 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,384 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,174 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,769 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,189 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,120 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,510 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,101 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,443 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,693 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,768 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,736 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,800 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,255 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,032 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,007 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,518 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,237 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,285 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,294 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,622 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,828 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,688 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,196 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 909,856 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,601 |
| Every Country Shape | 0 | - | 5.00 | 471,466 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,956 |
| Flags of North and South America | 0 | - | 4.99 | 377,256 |
| Former Flags | 0 | - | 4.97 | 108,640 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,945 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,796 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,743 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,464 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,620 |
| Countries by Road Signs | 0 | - | 4.98 | 54,376 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,497 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,869 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,274 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,039 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,338 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,175 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,158 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,002 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,957 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,151 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,663 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,402 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,801 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 78,261 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 60,106 |
| Country Shapes Slideshow | 0 | - | 4.81 | 39,851 |
| A Square of Merged Countries #2 | 0 | - | 4.98 | 41,981 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,890 |
| Flags of Oceania | 0 | - | 5.00 | 262,884 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,642 |
| Similar Flags #1 | 0 | - | 4.75 | 130,826 |
| Similar Flags #2 | 0 | - | 4.74 | 138,102 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,236 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,898 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 77,143 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,587 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 74,171 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,568 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 130,701 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,654 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,595 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,925 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,398 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,398,470 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,902,216 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,974 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 127,306 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,896 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 65,237 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,695 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,504 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,314 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.88 | 53,961 |
| Merged Countries #2 | 0 | - | 4.96 | 99,899 |
| Merged Countries #4 | 0 | - | 4.81 | 94,141 |
| Merged Countries #6 | 0 | - | 4.90 | 73,828 |
| Merged Countries #7 | 0 | - | 4.93 | 83,170 |
| Landlocked Countries | 0 | - | 4.99 | 426,207 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,277 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,559,899 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,895 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,201 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,279 |
| Pixelated World Map | 0 | - | 5.00 | 144,133 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,074 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,652 |
| World Coats of Arms | 0 | - | 4.99 | 65,189 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,689 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,378 |
| Random Country Shape to Country | 0 | - | 4.90 | 115,435 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,806,427 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,424 |
| Himalayan Countries | 0 | - | 4.93 | 140,381 |
| Andean Countries | 0 | - | 4.94 | 85,539 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,694 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,122 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,259 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,495 |
| Danube Countries | 0 | - | 4.97 | 72,438 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,643 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,872 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,202 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,678 |
| European Landlocked Countries | 0 | - | 4.99 | 147,640 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,352 |
| Countries with the Most Species | 0 | - | 4.99 | 103,590 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,453 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,785 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,898 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,860 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,597 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,043 |
| Countries in the Alps | 0 | - | 4.87 | 118,826 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,712 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,940 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,985 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,053 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,994 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,289 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,437 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,889 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,447 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,210 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,899 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,759 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,584 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,824 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,916 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,919 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,637 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 74,612 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,714 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,848 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,226 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,533 |
| Largest Countries By Category | 0 | - | 4.97 | 158,906 |
| Countries by Countries | 0 | - | 4.96 | 63,671 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,300 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,414 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,735 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,680 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,088 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,454 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,130 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 185,859 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 185,631 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,035 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,709 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,773 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,862 |
| Island Countries | 0 | - | 4.99 | 712,672 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,394,651 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 526,403 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 339,907 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 127,520 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,104 |
| Northernmost Countries | 0 | - | 4.99 | 364,174 |
| Countries of South America | 0 | - | 5.00 | 933,112 |
| Countries of Oceania | 0 | - | 5.00 | 1,063,969 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,890,274 |
| "Land" Countries | 0 | - | 4.98 | 338,462 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,730,305 |
| Every American Country by Shape | 0 | - | 4.79 | 37,364 |
| Cross Flags of Europe | 0 | - | 4.43 | 300,588 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,584 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,614 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,249 |
| Countries with Megacities | 0 | - | 4.99 | 267,307 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,931 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,187 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,253 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,302 |
| Countries by Official Language | 0 | - | 4.95 | 196,059 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,706 |
| Countries in their Native Language | 0 | - | 4.99 | 199,792 |
| Independence from Whom | 0 | - | 4.99 | 213,148 |
| Subdivisions by Country | 0 | - | 4.87 | 50,633 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,509 |
| Megadiverse Countries | 0 | - | 4.96 | 135,300 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,989 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,549 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,725 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,233 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,315 |