| All Country Flags of the World | 0 | - | 5.00 | 3,681,934 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,335 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,439 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,501 |
| Flags with Crescents | 0 | - | 4.98 | 170,178 |
| Country Flag Trivia | 0 | - | 4.81 | 57,393 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,167 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,839 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,828 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,512 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,072 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,264 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,446 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,982 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,600 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,801 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,484 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,685 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,858 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,787 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,786 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,792 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,890 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,684 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,318 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,751 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,842 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,247 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,560 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,665 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,012 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,206 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,303 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,181 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,586 |
| Flags of North and South America | 0 | - | 4.99 | 374,457 |
| Flags to Languages | 0 | - | 4.95 | 173,939 |
| Former Flags | 0 | - | 4.97 | 107,996 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,035 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,717 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,650 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,063 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,902 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,947 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,318 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,838 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,865 |
| Flag Maths | 0 | - | 4.64 | 57,793 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,239 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,883 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,073 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,880 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,555 |
| World Coats of Arms | 0 | - | 4.99 | 64,745 |
| Similar Flags #1 | 0 | - | 4.75 | 130,303 |
| Similar Flags #2 | 0 | - | 4.74 | 137,595 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,918 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,078 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,006 |
| Emoji Flags | 0 | - | 4.35 | 44,161 |
| Countries by Road Signs | 0 | - | 4.98 | 54,047 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,767 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,360 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,472 |
| Select the World Flags | 0 | - | 4.27 | 37,841 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,184 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,004 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,571 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,270 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,347 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,006 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,590 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,594 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,906 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,017 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,002 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,023 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,074 |
| Pixelated World Map | 0 | - | 5.00 | 143,660 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,406 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,340 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,760 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,280 |
| Boundary Waters | 0 | - | 4.92 | 88,595 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,300 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,774 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,643 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,609 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,536 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,183 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,668 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,141 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,560 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,123 |
| Geography by Picture - B | 0 | - | 4.42 | 55,678 |
| Geography by Picture - H | 0 | - | 4.50 | 58,284 |
| Geography by Picture - N | 0 | - | 4.45 | 42,255 |
| Geography by Picture - R | 0 | - | 4.56 | 41,075 |
| Geography by Picture - T | 0 | - | 4.54 | 57,905 |
| Flags of Oceania | 0 | - | 5.00 | 260,652 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,752 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,177 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,089 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,407 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,016 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,608,727 |
| Flags of WW1 | 0 | - | 4.60 | 38,509 |
| Landlocked Countries | 0 | - | 4.99 | 422,305 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,813 |
| Satellite Images #1 | 0 | - | 4.47 | 129,493 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,408 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,995 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,017 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,047 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,196 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,847 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,721 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,048 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,448 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,463 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,191 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,687 |
| Himalayan Countries | 0 | - | 4.95 | 138,892 |
| Andean Countries | 0 | - | 4.93 | 84,708 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,907 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,968 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,528 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,871 |
| Danube Countries | 0 | - | 4.97 | 72,057 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,072 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,464 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,371 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,862 |
| European Landlocked Countries | 0 | - | 4.99 | 147,187 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,711 |
| Countries with the Most Species | 0 | - | 4.99 | 103,271 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,830 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,613 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,735 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,572 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,259 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,707 |
| Countries in the Alps | 0 | - | 4.87 | 118,262 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,331 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,092 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,690 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,631 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,554 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,977 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,711 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,534 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,201 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,888 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,672 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,547 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,254 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,507 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,566 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,981 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,340 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,191 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,136 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,106 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,223 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,260 |
| Largest Countries By Category | 0 | - | 4.97 | 158,273 |
| Countries by Countries | 0 | - | 4.96 | 63,271 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,735 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,303 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,575 |
| Merged Country Flags | 0 | - | 4.88 | 106,984 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,710 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,059 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,839 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,704 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,051 |
| Merged Countries #2 | 0 | - | 4.96 | 99,274 |
| Merged Countries #6 | 0 | - | 4.90 | 73,495 |
| Merged Countries #7 | 0 | - | 4.93 | 82,828 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,743 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,864 |
| Geography by Picture - A | 0 | - | 4.39 | 60,328 |
| Geography by Picture - D | 0 | - | 4.15 | 45,711 |
| Geography by Picture - F | 0 | - | 4.31 | 51,075 |
| Geography by Picture - G | 0 | - | 4.39 | 48,004 |
| Geography by Picture - J | 0 | - | 4.16 | 38,516 |
| Geography by Picture - K | 0 | - | 4.29 | 33,177 |
| Geography by Picture - C | 0 | - | 4.31 | 57,132 |
| Geography by Picture - L | 0 | - | 4.37 | 59,046 |
| Geography by Picture - M | 0 | - | 4.14 | 40,509 |
| Geography by Picture - P | 0 | - | 4.24 | 42,484 |
| Geography by Picture - S | 0 | - | 4.38 | 47,091 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,537 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,506 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,941 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,074 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,319 |
| Longest International Borders | 0 | - | 4.99 | 265,244 |
| Countries with Three Borders | 0 | - | 4.96 | 36,626 |
