| All Country Flags of the World | 0 | - | 5.00 | 3,730,884 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,796 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,795 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,488 |
| Flags with Crescents | 0 | - | 4.98 | 171,916 |
| Country Flag Trivia | 0 | - | 4.82 | 58,413 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,296 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,732 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,035 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,194 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,245 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,707 |
| 20 Random Country Flags | 0 | - | 4.99 | 621,258 |
| Flags of North and South America | 0 | - | 4.99 | 378,632 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,782 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,769 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,366 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,443 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,930 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,746 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 78,052 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,650 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,593 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,655 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,530 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,580 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,383 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,966 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,380 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,242 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,597 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,070 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,257 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,626 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,879 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,953 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,937 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,901 |
| Flags to Languages | 0 | - | 4.95 | 174,923 |
| Former Flags | 0 | - | 4.97 | 108,910 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,338 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,201 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,157 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,898 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,305 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,464 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,734 |
| Flags of the Mediterranean | 0 | - | 4.95 | 149,621 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,817 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,714 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,891 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,574 |
| Flag Maths | 0 | - | 4.61 | 57,873 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,170 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,319 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,367 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,162 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,707 |
| World Coats of Arms | 0 | - | 4.99 | 65,398 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,066 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,118 |
| Similar Flags #1 | 0 | - | 4.75 | 131,028 |
| Similar Flags #2 | 0 | - | 4.74 | 138,312 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,246 |
| Emoji Flags | 0 | - | 4.35 | 44,351 |
| Countries by Road Signs | 0 | - | 4.98 | 54,509 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,843 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,336 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,254 |
| Select the World Flags | 0 | - | 4.28 | 38,075 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,631 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,868 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,585 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,627 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,213 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,783 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,616 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,148 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,302 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,887 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,912 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,643 |
| Pixelated World Map | 0 | - | 5.00 | 144,799 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 44,003 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,733,318 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,797 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,401 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,494 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,783 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,380 |
| Flags of Oceania | 0 | - | 5.00 | 263,786 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,998 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,737 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,072 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,991 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,741 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,868 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,782 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,498 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,860 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,485 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,769 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,274 |
| Geography by Picture - B | 0 | - | 4.42 | 55,850 |
| Geography by Picture - H | 0 | - | 4.50 | 58,451 |
| Geography by Picture - N | 0 | - | 4.45 | 42,416 |
| Geography by Picture - R | 0 | - | 4.56 | 41,211 |
| Geography by Picture - T | 0 | - | 4.54 | 58,070 |
| Flags of WW1 | 0 | - | 4.60 | 38,803 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,397 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,057 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,125 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,977 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,718 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,036 |
| Name a Valid African Country | 0 | - | 4.98 | 155,397 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,227 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,920 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,578 |
| Boundary Waters | 0 | - | 4.92 | 88,877 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,922 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,658 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,122 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,129 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,047 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,020,533 |
| Landlocked Countries | 0 | - | 4.99 | 427,875 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,354 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,676 |
| Random Point on Land to European Country | 0 | - | 4.94 | 78,327 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,896 |
| Merged Countries #2 | 0 | - | 4.96 | 100,031 |
| Merged Countries #4 | 0 | - | 4.81 | 94,241 |
| Merged Countries #6 | 0 | - | 4.90 | 73,950 |
| Merged Countries #7 | 0 | - | 4.93 | 83,301 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,617 |
| Topological Map of Africa Quiz | 0 | - | 4.81 | 21,708 |
| Topological Map of Asia Quiz | 0 | - | 4.83 | 20,596 |
| Satellite Images #1 | 0 | - | 4.46 | 130,159 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,011 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,506 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,345 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,301 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,736 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,330 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,030 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,594 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,257 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,291 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,504 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,907 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,270 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,391 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,480 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,630 |
| Which City in Europe? | 0 | - | 4.83 | 108,055 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,203 |
| Himalayan Countries | 0 | - | 4.93 | 141,086 |
| Andean Countries | 0 | - | 4.94 | 85,939 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,039 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,682 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,588 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,782 |
| Danube Countries | 0 | - | 4.97 | 72,627 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,897 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,037 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,578 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,055 |
| European Landlocked Countries | 0 | - | 4.99 | 147,842 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,636 |
| Countries with the Most Species | 0 | - | 4.99 | 103,682 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,743 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,840 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,984 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,971 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,722 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,205 |
| Countries in the Alps | 0 | - | 4.87 | 119,076 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,167 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,286 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,101 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,236 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,209 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,437 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,659 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,050 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,550 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,363 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,987 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,859 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,722 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,979 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,077 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,307 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,775 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,881 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,936 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,639 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,742 |
