| All Country Flags of the World | 0 | - | 5.00 | 3,630,028 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,201 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,766 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,429 |
| Flags with Crescents | 0 | - | 4.98 | 168,437 |
| Country Flag Trivia | 0 | - | 4.81 | 56,400 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,979 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,915 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,529 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,834 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,379 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,817 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,157 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,673 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,791 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,565 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,313 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,307 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,070 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,050 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,882 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,103 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,193 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,960 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,653 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,143 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,483 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,871 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,038 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,025 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,339 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,532 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,667 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,229 |
| Flags of North and South America | 0 | - | 4.99 | 370,146 |
| Flags to Languages | 0 | - | 4.95 | 173,011 |
| Former Flags | 0 | - | 4.97 | 107,172 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,772 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,199 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,096 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,406 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,824 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,129 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,346 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,883 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,967 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,980 |
| Flag Maths | 0 | - | 4.64 | 57,706 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,919 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,185 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,604 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,535 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,375 |
| World Coats of Arms | 0 | - | 4.99 | 64,134 |
| Similar Flags #1 | 0 | - | 4.74 | 129,497 |
| Similar Flags #2 | 0 | - | 4.74 | 136,785 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,942 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,258 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,556 |
| Emoji Flags | 0 | - | 4.35 | 43,926 |
| Countries by Road Signs | 0 | - | 4.98 | 53,412 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,245 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,100 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,491 |
| Select the World Flags | 0 | - | 4.27 | 37,563 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,558 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,724 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,190 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,851 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,991 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,787 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,342 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,636 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,127 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,559 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,200 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,611 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,100 |
| Pixelated World Map | 0 | - | 5.00 | 142,878 |
| Flags of Africa Quiz | 0 | - | 5.00 | 466,875 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,736 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,055 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,067 |
| Boundary Waters | 0 | - | 4.92 | 88,231 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,967 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,651 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,806 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,118 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,036 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,620 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,975 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,152 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,722 |
| 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 | 55,499 |
| Geography by Picture - H | 0 | - | 4.50 | 58,115 |
| Geography by Picture - N | 0 | - | 4.45 | 42,114 |
| Geography by Picture - R | 0 | - | 4.56 | 40,935 |
| Geography by Picture - T | 0 | - | 4.54 | 57,751 |
| Flags of Oceania | 0 | - | 5.00 | 256,986 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,497 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,702 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,406 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,777 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,234 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,163,325 |
| Flags of WW1 | 0 | - | 4.60 | 38,160 |
| Landlocked Countries | 0 | - | 4.99 | 416,648 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 561,885 |
| Satellite Images #1 | 0 | - | 4.46 | 129,173 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,132 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,775 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,774 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,884 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,648 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,784 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,369 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,344 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,280 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,532 |
| World Capitals Quiz | 0 | - | 5.00 | 5,050,543 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,931 |
| Himalayan Countries | 0 | - | 4.95 | 136,497 |
| Andean Countries | 0 | - | 4.95 | 83,489 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,752 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,997 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,419 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,026 |
| Danube Countries | 0 | - | 4.97 | 71,430 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,216 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,848 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,152 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,119 |
| European Landlocked Countries | 0 | - | 4.99 | 146,129 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,760 |
| Countries with the Most Species | 0 | - | 4.99 | 101,518 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,898 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,328 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,510 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,158 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,809 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,190 |
| Countries in the Alps | 0 | - | 4.86 | 117,324 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,901 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,892 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,253 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,740 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,820 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,254 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,983 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,994 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,803 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,328 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,365 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,203 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,729 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,994 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,003 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,711 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,895 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,429 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,245 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,006 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,564 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,827 |
| Largest Countries By Category | 0 | - | 4.97 | 157,253 |
| Countries by Countries | 0 | - | 4.96 | 62,592 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,870 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,080 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Merged Country Flags | 0 | - | 4.88 | 106,325 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,742 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,394 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,320 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,085 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,740,561 |
| Merged Countries #2 | 0 | - | 4.96 | 98,717 |
| Merged Countries #6 | 0 | - | 4.90 | 72,955 |
| Merged Countries #7 | 0 | - | 4.93 | 82,221 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,066 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,635 |
| Geography by Picture - A | 0 | - | 4.39 | 60,129 |
| Geography by Picture - D | 0 | - | 4.15 | 45,557 |
| Geography by Picture - F | 0 | - | 4.31 | 50,891 |
| Geography by Picture - G | 0 | - | 4.38 | 47,865 |
| Geography by Picture - J | 0 | - | 4.16 | 38,385 |
| Geography by Picture - K | 0 | - | 4.29 | 33,060 |
| 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 | 40,387 |
| Geography by Picture - P | 0 | - | 4.24 | 42,357 |
| Geography by Picture - S | 0 | - | 4.38 | 46,968 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,928 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,614 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,246 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,846 |
| Longest International Borders | 0 | - | 4.99 | 264,299 |
| Countries with Three Borders | 0 | - | 4.96 | 36,345 |
