| All Country Flags of the World | 0 | - | 5.00 | 3,645,594 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,025 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,305 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,369 |
| Flags with Crescents | 0 | - | 4.98 | 168,965 |
| Country Flag Trivia | 0 | - | 4.81 | 56,722 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,345 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,194 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,967 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,065 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,574 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,224 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,502 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,013 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,012 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,939 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,621 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,718 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,280 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,268 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,152 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,298 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,390 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,156 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,860 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,322 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,603 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,983 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,185 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,228 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,537 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,752 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,851 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,335 |
| Flags of North and South America | 0 | - | 4.99 | 371,672 |
| Flags to Languages | 0 | - | 4.95 | 173,327 |
| Former Flags | 0 | - | 4.97 | 107,424 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,849 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,369 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,269 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,632 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,880 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,107 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,526 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,994 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,234 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,242 |
| Flag Maths | 0 | - | 4.64 | 57,740 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,209 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,325 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,706 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,646 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,432 |
| World Coats of Arms | 0 | - | 4.99 | 64,304 |
| Similar Flags #1 | 0 | - | 4.75 | 129,725 |
| Similar Flags #2 | 0 | - | 4.74 | 137,038 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,217 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,492 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,932 |
| Emoji Flags | 0 | - | 4.35 | 43,995 |
| Countries by Road Signs | 0 | - | 4.98 | 53,605 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,413 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,178 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,215 |
| Select the World Flags | 0 | - | 4.27 | 37,653 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,729 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,815 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,278 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,953 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,058 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,843 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,409 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,795 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,212 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,679 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,444 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,247 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,133 |
| Pixelated World Map | 0 | - | 5.00 | 143,103 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,867 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,918 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,260 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,133 |
| Boundary Waters | 0 | - | 4.92 | 88,355 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,058 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,872 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,104 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,301 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,233 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,829 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,020 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,211 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,837 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,294 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,021 |
| Geography by Picture - B | 0 | - | 4.42 | 55,550 |
| Geography by Picture - H | 0 | - | 4.50 | 58,173 |
| Geography by Picture - N | 0 | - | 4.45 | 42,160 |
| Geography by Picture - R | 0 | - | 4.56 | 40,979 |
| Geography by Picture - T | 0 | - | 4.54 | 57,793 |
| Flags of Oceania | 0 | - | 5.00 | 257,993 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,862 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,852 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,615 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,978 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,466 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,299,124 |
| Flags of WW1 | 0 | - | 4.60 | 38,268 |
| Landlocked Countries | 0 | - | 4.99 | 418,365 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,760 |
| Satellite Images #1 | 0 | - | 4.46 | 129,272 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,226 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,848 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,842 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,925 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,807 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,802 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,478 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,580 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,591 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,821 |
| World Capitals Quiz | 0 | - | 5.00 | 5,060,867 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,692 |
| Himalayan Countries | 0 | - | 4.94 | 137,168 |
| Andean Countries | 0 | - | 4.95 | 83,792 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,041 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,435 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,724 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,266 |
| Danube Countries | 0 | - | 4.97 | 71,596 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,462 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,998 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,542 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,603 |
| European Landlocked Countries | 0 | - | 4.99 | 146,705 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,043 |
| Countries with the Most Species | 0 | - | 4.99 | 102,838 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,181 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,408 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,565 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,264 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,939 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,317 |
| Countries in the Alps | 0 | - | 4.87 | 117,603 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,079 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,268 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,373 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,925 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,030 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,403 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,211 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,138 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,934 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,505 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,448 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,308 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,882 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,156 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,171 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,068 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,023 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,541 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,442 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,102 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,094 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,954 |
| Largest Countries By Category | 0 | - | 4.97 | 157,550 |
| Countries by Countries | 0 | - | 4.96 | 62,786 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,134 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,146 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,461 |
| Merged Country Flags | 0 | - | 4.88 | 106,537 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,347 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,599 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,476 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,276 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,753,712 |
| Merged Countries #2 | 0 | - | 4.96 | 98,866 |
| Merged Countries #6 | 0 | - | 4.90 | 73,097 |
| Merged Countries #7 | 0 | - | 4.93 | 82,418 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,319 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,715 |
| Geography by Picture - A | 0 | - | 4.39 | 60,189 |
| Geography by Picture - D | 0 | - | 4.15 | 45,603 |
| Geography by Picture - F | 0 | - | 4.31 | 50,939 |
| Geography by Picture - G | 0 | - | 4.38 | 47,905 |
| Geography by Picture - J | 0 | - | 4.16 | 38,424 |
| Geography by Picture - K | 0 | - | 4.29 | 33,091 |
| Geography by Picture - C | 0 | - | 4.31 | 57,026 |
| Geography by Picture - L | 0 | - | 4.37 | 58,896 |
| Geography by Picture - M | 0 | - | 4.14 | 40,415 |
| Geography by Picture - P | 0 | - | 4.24 | 42,392 |
| Geography by Picture - S | 0 | - | 4.38 | 47,004 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,188 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,379 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,711 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,964 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,036 |
| Longest International Borders | 0 | - | 4.99 | 264,579 |
| Countries with Three Borders | 0 | - | 4.96 | 36,431 |
