| All Country Flags of the World | 0 | - | 5.00 | 3,713,992 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,034 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,214 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,466 |
| Flags with Crescents | 0 | - | 4.98 | 171,354 |
| Country Flag Trivia | 0 | - | 4.81 | 58,031 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,906 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,439 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,606 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,953 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,993 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,494 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,354 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,345 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,912 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,194 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,616 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,331 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,669 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,404 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,351 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,358 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,284 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,354 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,143 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,748 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,151 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,101 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,493 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,930 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,078 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,421 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,661 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,741 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,703 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,793 |
| Flags of North and South America | 0 | - | 4.99 | 377,010 |
| Flags to Languages | 0 | - | 4.95 | 174,518 |
| Former Flags | 0 | - | 4.97 | 108,588 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,238 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,030 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,011 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,230 |
| 20 Random Country Flags | 0 | - | 4.99 | 618,971 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,267 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,595 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,364 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,431 |
| Flag Maths | 0 | - | 4.61 | 57,845 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,867 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,185 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,263 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,064 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,647 |
| World Coats of Arms | 0 | - | 4.99 | 65,153 |
| Similar Flags #1 | 0 | - | 4.75 | 130,791 |
| Similar Flags #2 | 0 | - | 4.74 | 138,078 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,581 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,861 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,721 |
| Emoji Flags | 0 | - | 4.35 | 44,292 |
| Countries by Road Signs | 0 | - | 4.98 | 54,351 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,118 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,535 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,365 |
| Select the World Flags | 0 | - | 4.28 | 37,993 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,551 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,165 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,779 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,488 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,535 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,129 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,701 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,410 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,062 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,216 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,015 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,098 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,373 |
| Pixelated World Map | 0 | - | 5.00 | 144,114 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,599 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,689 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,198 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,420 |
| Boundary Waters | 0 | - | 4.92 | 88,765 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,411 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,702 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,349 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,969 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,974 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,404 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,402 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,796 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,374 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,696 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,226 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,378 |
| Geography by Picture - N | 0 | - | 4.45 | 42,338 |
| Geography by Picture - R | 0 | - | 4.56 | 41,146 |
| Geography by Picture - T | 0 | - | 4.54 | 57,999 |
| Flags of Oceania | 0 | - | 5.00 | 262,723 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,598 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,459 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,458 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,779 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,473 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,881,117 |
| Flags of WW1 | 0 | - | 4.60 | 38,695 |
| Landlocked Countries | 0 | - | 4.99 | 425,889 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,445 |
| Satellite Images #1 | 0 | - | 4.46 | 129,990 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,685 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,346 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,233 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,212 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,582 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,896 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,927 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,403 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,983 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,012 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,199 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,285 |
| Himalayan Countries | 0 | - | 4.93 | 140,258 |
| Andean Countries | 0 | - | 4.94 | 85,468 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,618 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,012 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,173 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,443 |
| Danube Countries | 0 | - | 4.97 | 72,395 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,596 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,844 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,133 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,620 |
| European Landlocked Countries | 0 | - | 4.99 | 147,606 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,303 |
| Countries with the Most Species | 0 | - | 4.99 | 103,567 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,414 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,775 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,887 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,838 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,582 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,020 |
| Countries in the Alps | 0 | - | 4.87 | 118,777 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,636 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,867 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,967 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,028 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,962 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,259 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,409 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,866 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,426 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,180 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,877 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,747 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,563 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,799 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,896 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,845 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,617 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 71,781 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,677 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,724 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,159 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,506 |
| Largest Countries By Category | 0 | - | 4.97 | 158,869 |
| Countries by Countries | 0 | - | 4.96 | 63,646 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,270 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,401 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,672 |
| Merged Country Flags | 0 | - | 4.88 | 107,378 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,991 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,435 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,153 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,108 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,804,595 |
| Merged Countries #2 | 0 | - | 4.96 | 99,882 |
| Merged Countries #4 | 0 | - | 4.81 | 94,123 |
| Merged Countries #6 | 0 | - | 4.90 | 73,813 |
| Merged Countries #7 | 0 | - | 4.93 | 83,153 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,459 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,986 |
| Geography by Picture - A | 0 | - | 4.39 | 60,436 |
| Geography by Picture - D | 0 | - | 4.15 | 45,786 |
| Geography by Picture - F | 0 | - | 4.31 | 51,172 |
| Geography by Picture - G | 0 | - | 4.39 | 48,077 |
| Geography by Picture - J | 0 | - | 4.16 | 38,593 |
| Geography by Picture - K | 0 | - | 4.29 | 33,247 |
| Geography by Picture - C | 0 | - | 4.31 | 57,236 |
| Geography by Picture - L | 0 | - | 4.37 | 59,136 |
| Geography by Picture - M | 0 | - | 4.14 | 40,579 |
| Geography by Picture - P | 0 | - | 4.24 | 42,565 |
| Geography by Picture - S | 0 | - | 4.38 | 47,179 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,803 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,616 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,168 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,094 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,576 |
