| All Country Flags of the World | 0 | - | 5.00 | 3,612,350 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,126 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,272 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,280 |
| Flags with Crescents | 0 | - | 4.98 | 167,862 |
| Country Flag Trivia | 0 | - | 4.81 | 56,089 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,603 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,597 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,119 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,166 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,340 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,746 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,251 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,561 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,810 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,938 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,725 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,826 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,839 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,564 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,873 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,964 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,725 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,444 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,939 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,352 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,759 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,869 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,782 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,055 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,236 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,386 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,121 |
| Flags of North and South America | 0 | - | 4.99 | 368,402 |
| Flags to Languages | 0 | - | 4.95 | 172,682 |
| Former Flags | 0 | - | 4.97 | 106,874 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,688 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,170 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,904 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,115 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,752 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,835 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,177 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,726 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,676 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,653 |
| Flag Maths | 0 | - | 4.78 | 57,691 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,578 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,040 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,501 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,431 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,310 |
| World Coats of Arms | 0 | - | 4.99 | 63,966 |
| Similar Flags #1 | 0 | - | 4.74 | 129,256 |
| Similar Flags #2 | 0 | - | 4.74 | 136,520 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,556 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,971 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,124 |
| Emoji Flags | 0 | - | 4.35 | 43,852 |
| Countries by Road Signs | 0 | - | 4.98 | 53,219 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,118 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,037 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 21,153 |
| Select the World Flags | 0 | - | 4.27 | 37,444 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,383 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,635 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,099 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,739 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,892 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,728 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,264 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,465 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,034 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,448 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,954 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,524 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,801 |
| Pixelated World Map | 0 | - | 5.00 | 142,591 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,528 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,527 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,825 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,985 |
| Boundary Waters | 0 | - | 4.92 | 88,102 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,874 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,428 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,496 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,941 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,850 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,395 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,936 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,073 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,616 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,186 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,943 |
| Geography by Picture - B | 0 | - | 4.42 | 55,450 |
| Geography by Picture - H | 0 | - | 4.50 | 58,073 |
| Geography by Picture - N | 0 | - | 4.45 | 42,069 |
| Geography by Picture - R | 0 | - | 4.55 | 40,899 |
| Geography by Picture - T | 0 | - | 4.54 | 57,708 |
| Flags of Oceania | 0 | - | 5.00 | 255,891 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,089 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,541 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,207 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,553 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,949 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,006,704 |
| Flags of WW1 | 0 | - | 4.60 | 38,015 |
| Landlocked Countries | 0 | - | 4.99 | 414,696 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,995 |
| Satellite Images #1 | 0 | - | 4.46 | 129,069 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,037 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,692 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,689 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,839 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,462 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,752 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,240 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,122 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,004 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,225 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,949 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,040 |
| Himalayan Countries | 0 | - | 4.95 | 135,733 |
| Andean Countries | 0 | - | 4.94 | 83,042 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,388 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,467 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,086 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,750 |
| Danube Countries | 0 | - | 4.97 | 71,190 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,914 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,647 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,728 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,629 |
| European Landlocked Countries | 0 | - | 4.99 | 145,885 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,386 |
| Countries with the Most Species | 0 | - | 4.99 | 95,307 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,548 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,241 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,409 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,021 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,663 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,031 |
| Countries in the Alps | 0 | - | 4.86 | 117,003 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,688 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,469 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,115 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,517 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,306 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,096 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,708 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,847 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,615 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,160 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,236 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,106 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,555 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,837 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,837 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,316 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,743 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,316 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,957 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,893 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,036 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Largest Countries By Category | 0 | - | 4.97 | 156,926 |
| Countries by Countries | 0 | - | 4.96 | 62,379 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,560 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,002 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,361 |
| Merged Country Flags | 0 | - | 4.88 | 106,118 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,078 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,219 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,143 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,869 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,573 |
| Merged Countries #2 | 0 | - | 4.96 | 98,553 |
| Merged Countries #6 | 0 | - | 4.90 | 72,801 |
| Merged Countries #7 | 0 | - | 4.92 | 82,046 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,820 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,525 |
| Geography by Picture - A | 0 | - | 4.39 | 60,078 |
| Geography by Picture - D | 0 | - | 4.15 | 45,525 |
| Geography by Picture - F | 0 | - | 4.31 | 50,853 |
| Geography by Picture - G | 0 | - | 4.38 | 47,822 |
| Geography by Picture - J | 0 | - | 4.16 | 38,355 |
| Geography by Picture - K | 0 | - | 4.29 | 33,035 |
| Geography by Picture - C | 0 | - | 4.31 | 56,939 |
| Geography by Picture - L | 0 | - | 4.37 | 58,793 |
| Geography by Picture - M | 0 | - | 4.14 | 40,362 |
| Geography by Picture - P | 0 | - | 4.24 | 42,319 |
| Geography by Picture - S | 0 | - | 4.38 | 46,934 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,640 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,272 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,507 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,723 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,702 |
| Longest International Borders | 0 | - | 4.99 | 263,990 |
| Countries with Three Borders | 0 | - | 4.96 | 36,257 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,658 |
