| All Country Flags of the World | 0 | - | 5.00 | 3,640,665 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,176 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,906 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,111 |
| Flags with Crescents | 0 | - | 4.98 | 168,818 |
| Country Flag Trivia | 0 | - | 4.81 | 56,646 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,249 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,117 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,852 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,000 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,526 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,110 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,414 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,915 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,953 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,833 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,540 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,626 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,214 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,209 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,074 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,247 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,335 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,093 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,800 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,263 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,572 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,953 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,150 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,175 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,479 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,697 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,795 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,301 |
| Flags of North and South America | 0 | - | 4.99 | 371,266 |
| Flags to Languages | 0 | - | 4.95 | 173,233 |
| Former Flags | 0 | - | 4.97 | 107,368 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,825 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,319 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,225 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,572 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,868 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,324 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,481 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,969 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,164 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,173 |
| Flag Maths | 0 | - | 4.64 | 57,732 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,127 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,291 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,675 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,618 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,418 |
| World Coats of Arms | 0 | - | 4.99 | 64,250 |
| Similar Flags #1 | 0 | - | 4.74 | 129,658 |
| Similar Flags #2 | 0 | - | 4.74 | 136,964 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,148 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,437 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,841 |
| Emoji Flags | 0 | - | 4.35 | 43,979 |
| Countries by Road Signs | 0 | - | 4.98 | 53,553 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,368 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,162 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 24,017 |
| Select the World Flags | 0 | - | 4.27 | 37,629 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,681 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,784 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,255 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,927 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,039 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,835 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,396 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,744 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,183 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,647 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,378 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,237,946 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,498 |
| Pixelated World Map | 0 | - | 5.00 | 143,041 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,194 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,869 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,200 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,109 |
| Boundary Waters | 0 | - | 4.92 | 88,330 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,043 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,792 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,021 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,260 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,185 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,776 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,007 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,192 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,810 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,280 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,013 |
| Geography by Picture - B | 0 | - | 4.42 | 55,534 |
| Geography by Picture - H | 0 | - | 4.50 | 58,159 |
| Geography by Picture - N | 0 | - | 4.45 | 42,148 |
| Geography by Picture - R | 0 | - | 4.56 | 40,965 |
| Geography by Picture - T | 0 | - | 4.54 | 57,778 |
| Flags of Oceania | 0 | - | 5.00 | 257,673 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,749 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,811 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,552 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,921 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,385 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,257,589 |
| Flags of WW1 | 0 | - | 4.60 | 38,248 |
| Landlocked Countries | 0 | - | 4.99 | 417,879 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 565,287 |
| Satellite Images #1 | 0 | - | 4.46 | 129,245 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,198 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,825 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,829 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,912 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,762 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,798 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,455 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,512 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,519 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,742 |
| World Capitals Quiz | 0 | - | 5.00 | 5,057,742 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,473 |
| Himalayan Countries | 0 | - | 4.94 | 136,973 |
| Andean Countries | 0 | - | 4.95 | 83,714 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,958 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,307 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,633 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,205 |
| Danube Countries | 0 | - | 4.97 | 71,548 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,386 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,959 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,447 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,502 |
| European Landlocked Countries | 0 | - | 4.99 | 146,524 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,972 |
| Countries with the Most Species | 0 | - | 4.99 | 102,678 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,104 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,383 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,553 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,239 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,902 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,288 |
| Countries in the Alps | 0 | - | 4.86 | 117,526 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,026 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,161 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,347 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,870 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,972 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,373 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,140 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,097 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,901 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,461 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,427 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,283 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,841 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,108 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,127 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,978 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,986 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,510 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,389 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,764 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,949 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,917 |
| Largest Countries By Category | 0 | - | 4.97 | 157,470 |
| Countries by Countries | 0 | - | 4.96 | 62,744 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,056 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,125 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,448 |
| Merged Country Flags | 0 | - | 4.88 | 106,482 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,154 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,544 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,433 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,220 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,749,845 |
| Merged Countries #2 | 0 | - | 4.96 | 98,827 |
| Merged Countries #6 | 0 | - | 4.90 | 73,062 |
| Merged Countries #7 | 0 | - | 4.93 | 82,364 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,267 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,707 |
| Geography by Picture - A | 0 | - | 4.39 | 60,171 |
| Geography by Picture - D | 0 | - | 4.15 | 45,590 |
| Geography by Picture - F | 0 | - | 4.31 | 50,927 |
| Geography by Picture - G | 0 | - | 4.38 | 47,897 |
| Geography by Picture - J | 0 | - | 4.16 | 38,410 |
| Geography by Picture - K | 0 | - | 4.29 | 33,082 |
| Geography by Picture - C | 0 | - | 4.31 | 57,011 |
| Geography by Picture - L | 0 | - | 4.37 | 58,878 |
| Geography by Picture - M | 0 | - | 4.14 | 40,408 |
| Geography by Picture - P | 0 | - | 4.24 | 42,383 |
| Geography by Picture - S | 0 | - | 4.38 | 46,995 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,146 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,366 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,673 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,839 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,998 |
| Longest International Borders | 0 | - | 4.99 | 264,503 |
| Countries with Three Borders | 0 | - | 4.96 | 36,405 |
