| All Country Flags of the World | 0 | - | 5.00 | 3,629,447 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,126 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,726 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,376 |
| Flags with Crescents | 0 | - | 4.98 | 168,415 |
| Country Flag Trivia | 0 | - | 4.81 | 56,388 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,973 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,901 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,519 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,825 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,373 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,811 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,152 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,662 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,784 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,555 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,305 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,296 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,064 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,049 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,875 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,098 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,189 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,959 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,648 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,138 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,478 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,867 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,031 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,022 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,337 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,526 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,663 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,223 |
| Flags of North and South America | 0 | - | 4.99 | 370,097 |
| Flags to Languages | 0 | - | 4.95 | 172,998 |
| Former Flags | 0 | - | 4.97 | 107,166 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,770 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,190 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,090 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,398 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,823 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,091 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,339 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,880 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,959 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,972 |
| Flag Maths | 0 | - | 4.64 | 57,705 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,913 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,183 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,604 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,533 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,375 |
| World Coats of Arms | 0 | - | 4.99 | 64,130 |
| Similar Flags #1 | 0 | - | 4.74 | 129,491 |
| Similar Flags #2 | 0 | - | 4.74 | 136,779 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,927 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,249 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,544 |
| Emoji Flags | 0 | - | 4.35 | 43,924 |
| Countries by Road Signs | 0 | - | 4.98 | 53,410 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,243 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,099 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,468 |
| Select the World Flags | 0 | - | 4.27 | 37,554 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,553 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,723 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,188 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,848 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,989 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,785 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,342 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,629 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,125 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,559 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,194 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,434 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,033 |
| Pixelated World Map | 0 | - | 5.00 | 142,869 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,804 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,730 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,050 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,061 |
| Boundary Waters | 0 | - | 4.92 | 88,225 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,966 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,646 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,799 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,107 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,027 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,617 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,974 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,149 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,715 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,240 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,984 |
| Geography by Picture - B | 0 | - | 4.42 | 55,498 |
| Geography by Picture - H | 0 | - | 4.50 | 58,114 |
| Geography by Picture - N | 0 | - | 4.45 | 42,111 |
| Geography by Picture - R | 0 | - | 4.56 | 40,934 |
| Geography by Picture - T | 0 | - | 4.54 | 57,750 |
| Flags of Oceania | 0 | - | 5.00 | 256,955 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,487 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,701 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,403 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,774 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,229 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,158,364 |
| Flags of WW1 | 0 | - | 4.60 | 38,156 |
| Landlocked Countries | 0 | - | 4.99 | 416,591 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,681 |
| Satellite Images #1 | 0 | - | 4.46 | 129,171 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,130 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,774 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,771 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,884 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,643 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,782 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,363 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,341 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,278 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,523 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,144 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,898 |
| Himalayan Countries | 0 | - | 4.95 | 136,474 |
| Andean Countries | 0 | - | 4.95 | 83,477 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,732 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,975 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,409 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,014 |
| Danube Countries | 0 | - | 4.97 | 71,416 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,201 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,842 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,142 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,103 |
| European Landlocked Countries | 0 | - | 4.99 | 146,125 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,754 |
| Countries with the Most Species | 0 | - | 4.99 | 101,411 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,890 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,328 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,506 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,154 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,802 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,182 |
| Countries in the Alps | 0 | - | 4.86 | 117,312 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,894 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,878 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,249 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,737 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,813 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,251 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,975 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,990 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,797 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,324 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,361 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,723 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,988 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,000 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,697 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,889 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,428 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,232 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,970 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,553 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,823 |
| Largest Countries By Category | 0 | - | 4.97 | 157,248 |
| Countries by Countries | 0 | - | 4.96 | 62,589 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,867 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,078 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Merged Country Flags | 0 | - | 4.88 | 106,323 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,712 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,388 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,317 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,078 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,215 |
| Merged Countries #2 | 0 | - | 4.96 | 98,712 |
| Merged Countries #6 | 0 | - | 4.90 | 72,954 |
| Merged Countries #7 | 0 | - | 4.93 | 82,217 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,046 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,629 |
| Geography by Picture - A | 0 | - | 4.39 | 60,127 |
| Geography by Picture - D | 0 | - | 4.15 | 45,556 |
| Geography by Picture - F | 0 | - | 4.31 | 50,888 |
| Geography by Picture - G | 0 | - | 4.38 | 47,864 |
| Geography by Picture - J | 0 | - | 4.16 | 38,383 |
| Geography by Picture - K | 0 | - | 4.29 | 33,057 |
| Geography by Picture - C | 0 | - | 4.31 | 56,986 |
| Geography by Picture - L | 0 | - | 4.37 | 58,849 |
| Geography by Picture - M | 0 | - | 4.14 | 40,384 |
| Geography by Picture - P | 0 | - | 4.24 | 42,354 |
| Geography by Picture - S | 0 | - | 4.38 | 46,968 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,922 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,608 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,228 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,842 |
| Longest International Borders | 0 | - | 4.99 | 264,293 |
| Countries with Three Borders | 0 | - | 4.96 | 36,343 |
