| All Country Flags of the World | 0 | - | 5.00 | 3,661,467 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,837 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,723 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,308 |
| Flags with Crescents | 0 | - | 4.98 | 169,495 |
| Country Flag Trivia | 0 | - | 4.81 | 57,001 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,711 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,480 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,379 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,255 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,780 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,661 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,916 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,400 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,247 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,301 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,998 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,121 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,536 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,493 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,437 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,509 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,608 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,388 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,068 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,495 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,707 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,096 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,348 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,409 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,733 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,949 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,046 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,868 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,452 |
| Flags of North and South America | 0 | - | 4.99 | 372,917 |
| Flags to Languages | 0 | - | 4.95 | 173,614 |
| Former Flags | 0 | - | 4.97 | 107,694 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,935 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,522 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,434 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,950 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,061 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,713 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,135 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,517 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,527 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,640 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,554 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,844 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,747 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,490 |
| World Coats of Arms | 0 | - | 4.99 | 64,484 |
| Similar Flags #1 | 0 | - | 4.75 | 129,998 |
| Similar Flags #2 | 0 | - | 4.74 | 137,276 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,534 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,736 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,368 |
| Emoji Flags | 0 | - | 4.35 | 44,085 |
| Countries by Road Signs | 0 | - | 4.98 | 53,779 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,582 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,255 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,801 |
| Select the World Flags | 0 | - | 4.27 | 37,739 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,951 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,902 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,405 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,104 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,185 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,912 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,481 |
| Countries by Picture #1 | 0 | - | 4.53 | 106,336 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,873 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,819 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,688 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,531 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,232 |
| Pixelated World Map | 0 | - | 5.00 | 143,358 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,993 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,083 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,482 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,191 |
| Boundary Waters | 0 | - | 4.92 | 88,455 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,151 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,052 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,406 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,449 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,386 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,046 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,069 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,768 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,779 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,777 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,437 |
| Geography by Picture - B | 0 | - | 4.42 | 55,598 |
| Geography by Picture - H | 0 | - | 4.50 | 58,224 |
| Geography by Picture - N | 0 | - | 4.45 | 42,202 |
| Geography by Picture - R | 0 | - | 4.56 | 41,020 |
| Geography by Picture - T | 0 | - | 4.54 | 57,837 |
| Flags of Oceania | 0 | - | 5.00 | 258,954 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,251 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,003 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,836 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,163 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,714 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,433,105 |
| Flags of WW1 | 0 | - | 4.60 | 38,371 |
| Landlocked Countries | 0 | - | 4.99 | 420,133 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,332 |
| Satellite Images #1 | 0 | - | 4.47 | 129,366 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,303 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,908 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,921 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,982 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,982 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,578 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,793 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,902 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,120 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,651 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,532 |
| Himalayan Countries | 0 | - | 4.95 | 137,950 |
| Andean Countries | 0 | - | 4.95 | 84,193 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,412 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,090 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,054 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,503 |
| Danube Countries | 0 | - | 4.97 | 71,785 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,728 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,177 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,893 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,080 |
| European Landlocked Countries | 0 | - | 4.99 | 146,923 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,315 |
| Countries with the Most Species | 0 | - | 4.99 | 103,055 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,480 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,479 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,642 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,411 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,094 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,483 |
| Countries in the Alps | 0 | - | 4.87 | 117,911 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,446 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,633 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,521 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,413 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,257 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,812 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,428 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,302 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,054 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,672 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,396 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,029 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,324 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,330 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,464 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,145 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,660 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,744 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,997 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,571 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,074 |
| Largest Countries By Category | 0 | - | 4.97 | 157,861 |
| Countries by Countries | 0 | - | 4.97 | 62,970 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,415 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,501 |
| Merged Country Flags | 0 | - | 4.88 | 106,740 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,961 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,771 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,626 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,468 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,404 |
| Merged Countries #2 | 0 | - | 4.96 | 99,045 |
| Merged Countries #6 | 0 | - | 4.90 | 73,247 |
| Merged Countries #7 | 0 | - | 4.93 | 82,598 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,533 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Geography by Picture - A | 0 | - | 4.39 | 60,248 |
| Geography by Picture - D | 0 | - | 4.15 | 45,654 |
| Geography by Picture - F | 0 | - | 4.31 | 51,000 |
| Geography by Picture - G | 0 | - | 4.38 | 47,947 |
| Geography by Picture - J | 0 | - | 4.16 | 38,464 |
| Geography by Picture - K | 0 | - | 4.29 | 33,125 |
| Geography by Picture - C | 0 | - | 4.31 | 57,069 |
| Geography by Picture - L | 0 | - | 4.37 | 58,959 |
| Geography by Picture - M | 0 | - | 4.14 | 40,459 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,039 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,333 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,436 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,817 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,499 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,156 |
| Longest International Borders | 0 | - | 4.99 | 264,886 |
| Countries with Three Borders | 0 | - | 4.96 | 36,519 |
