| All Country Flags of the World | 0 | - | 5.00 | 3,648,156 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,457 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,529 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,519 |
| Flags with Crescents | 0 | - | 4.98 | 169,064 |
| Country Flag Trivia | 0 | - | 4.81 | 56,765 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,410 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,235 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,032 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,099 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,606 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,281 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,547 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,068 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,041 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,990 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,677 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,772 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,313 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,295 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,178 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,323 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,426 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,180 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,879 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,343 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,617 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,000 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,208 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,262 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,572 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,781 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,882 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,667 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,348 |
| Flags of North and South America | 0 | - | 4.99 | 371,866 |
| Flags to Languages | 0 | - | 4.95 | 173,385 |
| Former Flags | 0 | - | 4.97 | 107,461 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,867 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,387 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,289 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,887 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,360 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,562 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,016 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,281 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,294 |
| Flag Maths | 0 | - | 4.64 | 57,745 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,258 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,353 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,720 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,659 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,439 |
| World Coats of Arms | 0 | - | 4.99 | 64,333 |
| Similar Flags #1 | 0 | - | 4.75 | 129,767 |
| Similar Flags #2 | 0 | - | 4.74 | 137,076 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,256 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,528 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,983 |
| Emoji Flags | 0 | - | 4.35 | 44,005 |
| Countries by Road Signs | 0 | - | 4.98 | 53,638 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,429 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,192 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,317 |
| Select the World Flags | 0 | - | 4.27 | 37,663 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,774 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,831 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,295 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,967 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,072 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,849 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,416 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,817 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,226 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,696 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,475 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,891 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,403 |
| Pixelated World Map | 0 | - | 5.00 | 143,138 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,235 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,940 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,310 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,151 |
| Boundary Waters | 0 | - | 4.92 | 88,370 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,072 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,893 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,148 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,321 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,260 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,878 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,030 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,225 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,862 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,307 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,031 |
| Geography by Picture - B | 0 | - | 4.42 | 55,559 |
| Geography by Picture - H | 0 | - | 4.50 | 58,181 |
| Geography by Picture - N | 0 | - | 4.45 | 42,170 |
| Geography by Picture - R | 0 | - | 4.56 | 40,986 |
| Geography by Picture - T | 0 | - | 4.54 | 57,804 |
| Flags of Oceania | 0 | - | 5.00 | 258,152 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,902 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,879 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,643 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,997 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,498 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,321,899 |
| Flags of WW1 | 0 | - | 4.60 | 38,286 |
| Landlocked Countries | 0 | - | 4.99 | 418,741 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,599 |
| Satellite Images #1 | 0 | - | 4.46 | 129,286 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,239 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,862 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,856 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,938 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,838 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,804 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,491 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,601 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,644 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,874 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,763 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,912 |
| Himalayan Countries | 0 | - | 4.94 | 137,346 |
| Andean Countries | 0 | - | 4.95 | 83,892 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,189 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,592 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,800 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,321 |
| Danube Countries | 0 | - | 4.97 | 71,632 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,515 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,034 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,605 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,687 |
| European Landlocked Countries | 0 | - | 4.99 | 146,749 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,101 |
| Countries with the Most Species | 0 | - | 4.99 | 102,886 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,238 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,428 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,581 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,290 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,969 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,346 |
| Countries in the Alps | 0 | - | 4.87 | 117,652 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,111 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,329 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,395 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,961 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,069 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,434 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,254 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,169 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,951 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,533 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,467 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,330 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,908 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,176 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,193 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,141 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,052 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,561 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,496 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,285 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,174 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,984 |
| Largest Countries By Category | 0 | - | 4.97 | 157,607 |
| Countries by Countries | 0 | - | 4.96 | 62,821 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,176 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,153 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,465 |
| Merged Country Flags | 0 | - | 4.88 | 106,566 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,450 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,628 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,495 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,304 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,652 |
| Merged Countries #2 | 0 | - | 4.96 | 98,893 |
| Merged Countries #6 | 0 | - | 4.90 | 73,121 |
| Merged Countries #7 | 0 | - | 4.93 | 82,441 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,354 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,727 |
| Geography by Picture - A | 0 | - | 4.39 | 60,198 |
| Geography by Picture - D | 0 | - | 4.15 | 45,611 |
| Geography by Picture - F | 0 | - | 4.31 | 50,949 |
| Geography by Picture - G | 0 | - | 4.38 | 47,911 |
| Geography by Picture - J | 0 | - | 4.16 | 38,431 |
| Geography by Picture - K | 0 | - | 4.29 | 33,097 |
| Geography by Picture - C | 0 | - | 4.31 | 57,033 |
| Geography by Picture - L | 0 | - | 4.37 | 58,905 |
| Geography by Picture - M | 0 | - | 4.14 | 40,423 |
| Geography by Picture - P | 0 | - | 4.24 | 42,398 |
| Geography by Picture - S | 0 | - | 4.38 | 47,013 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,208 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,387 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,733 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,035 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,061 |
| Longest International Borders | 0 | - | 4.99 | 264,631 |
| Countries with Three Borders | 0 | - | 4.96 | 36,446 |
