| All Country Flags of the World | 0 | - | 5.00 | 3,650,692 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,936 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,793 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,693 |
| Flags with Crescents | 0 | - | 4.98 | 169,153 |
| Country Flag Trivia | 0 | - | 4.81 | 56,829 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,485 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,275 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,103 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,135 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,648 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,355 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,612 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,124 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,082 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,049 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,736 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,839 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,357 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,333 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,229 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,351 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,465 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,225 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,931 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,378 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,633 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,023 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,250 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,296 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,598 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,814 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,914 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,706 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,366 |
| Flags of North and South America | 0 | - | 4.99 | 372,114 |
| Flags to Languages | 0 | - | 4.95 | 173,435 |
| Former Flags | 0 | - | 4.97 | 107,513 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,875 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,411 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,325 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,896 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,762 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,601 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,037 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,315 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,352 |
| Flag Maths | 0 | - | 4.64 | 57,746 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,339 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,381 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,748 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,677 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,448 |
| World Coats of Arms | 0 | - | 4.99 | 64,359 |
| Similar Flags #1 | 0 | - | 4.75 | 129,810 |
| Similar Flags #2 | 0 | - | 4.74 | 137,119 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,318 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,587 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,087 |
| Emoji Flags | 0 | - | 4.35 | 44,022 |
| Countries by Road Signs | 0 | - | 4.98 | 53,663 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,461 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,207 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,417 |
| Select the World Flags | 0 | - | 4.27 | 37,680 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,807 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,843 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,318 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,996 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,104 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,864 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,428 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,242 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,301 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,732 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,525 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,600 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,685 |
| Pixelated World Map | 0 | - | 5.00 | 143,180 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,545 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,959 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,346 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,158 |
| Boundary Waters | 0 | - | 4.92 | 88,385 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,092 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,927 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,204 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,354 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,284 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,917 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,036 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,289 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,993 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,371 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,080 |
| Geography by Picture - B | 0 | - | 4.42 | 55,562 |
| Geography by Picture - H | 0 | - | 4.50 | 58,187 |
| Geography by Picture - N | 0 | - | 4.45 | 42,175 |
| Geography by Picture - R | 0 | - | 4.56 | 40,993 |
| Geography by Picture - T | 0 | - | 4.54 | 57,809 |
| Flags of Oceania | 0 | - | 5.00 | 258,306 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,973 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,906 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,698 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,025 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,536 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,343,817 |
| Flags of WW1 | 0 | - | 4.60 | 38,299 |
| Landlocked Countries | 0 | - | 4.99 | 419,095 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,413 |
| Satellite Images #1 | 0 | - | 4.47 | 129,303 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,247 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,869 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,872 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,945 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,876 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,810 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,507 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,637 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,695 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,931 |
| World Capitals Quiz | 0 | - | 5.00 | 5,064,529 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,046 |
| Himalayan Countries | 0 | - | 4.94 | 137,491 |
| Andean Countries | 0 | - | 4.95 | 83,972 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,245 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,704 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,857 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,367 |
| Danube Countries | 0 | - | 4.97 | 71,680 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,576 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,067 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,680 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,752 |
| European Landlocked Countries | 0 | - | 4.99 | 146,792 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,158 |
| Countries with the Most Species | 0 | - | 4.99 | 102,924 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,290 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,436 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,597 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,317 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,000 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,373 |
| Countries in the Alps | 0 | - | 4.87 | 117,707 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,151 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,393 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,431 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,007 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,113 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,686 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,297 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,200 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,975 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,564 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,491 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,343 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,943 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,198 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,220 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,216 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,073 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,581 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,547 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,452 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,261 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,011 |
| Largest Countries By Category | 0 | - | 4.97 | 157,661 |
| Countries by Countries | 0 | - | 4.96 | 62,852 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,233 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,167 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,475 |
| Merged Country Flags | 0 | - | 4.88 | 106,605 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,565 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,666 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,530 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,336 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,618 |
| Merged Countries #2 | 0 | - | 4.96 | 98,925 |
| Merged Countries #6 | 0 | - | 4.90 | 73,149 |
| Merged Countries #7 | 0 | - | 4.93 | 82,474 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,392 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,740 |
| Geography by Picture - A | 0 | - | 4.39 | 60,204 |
| Geography by Picture - D | 0 | - | 4.15 | 45,620 |
| Geography by Picture - F | 0 | - | 4.31 | 50,961 |
| Geography by Picture - G | 0 | - | 4.38 | 47,917 |
| Geography by Picture - J | 0 | - | 4.16 | 38,437 |
| Geography by Picture - K | 0 | - | 4.29 | 33,102 |
| Geography by Picture - C | 0 | - | 4.31 | 57,035 |
| Geography by Picture - L | 0 | - | 4.37 | 58,913 |
| Geography by Picture - M | 0 | - | 4.14 | 40,426 |
| Geography by Picture - P | 0 | - | 4.24 | 42,403 |
| Geography by Picture - S | 0 | - | 4.38 | 47,018 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,237 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,393 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,751 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,113 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,083 |
| Longest International Borders | 0 | - | 4.99 | 264,688 |
| Countries with Three Borders | 0 | - | 4.96 | 36,459 |
