| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,603,255 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,060 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 214,940 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 303,816 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 715,911 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,149 |
| Random Countries by Borders | 0 | - | 4.99 | 81,933 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,259 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,843 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 380,476 |
| Countries of the World - One Minute Sprint | 0 | - | 4.35 | 970,126 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,251 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 278,236 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,592 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,915 |
| Random Country to Capital | 0 | - | 4.98 | 914,799 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 447,946 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,314 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,108 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,794 |
| Countries with Four Letters | 0 | - | 4.99 | 420,217 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,261 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,626 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,804 |
| Fast Math - Addition | 0 | - | 4.87 | 521,345 |
| Random Geography General Knowledge Quiz | 0 | - | 4.46 | 134,870 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,932 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 170,064 |
| Country Chain | 0 | - | 4.96 | 216,385 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,555 |
| Islands by Country #1 | 0 | - | 4.87 | 174,804 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,168 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,515 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,492 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,604 |
| Name a Valid Country #1 | 0 | - | 4.99 | 286,828 |
| Name a Valid Country #2 | 0 | - | 4.98 | 248,920 |
| Name a Valid Country #4 | 0 | - | 4.97 | 253,918 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,520 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,215 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,170 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,538 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 113,985 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.95 | 238,042 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,534 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,218 |
| Five Letter Geography #3 | 0 | - | 4.61 | 130,984 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,454 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,514 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,577 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,245 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 37,859 |
| Geography Decoder | 0 | - | 4.53 | 75,471 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,495 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,493 |
| Letter A Geography Chain | 0 | - | 4.53 | 67,435 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,309 |
| Five Letter Geography #4 | 0 | - | 4.78 | 84,735 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,488 |
| The Only Country ... | 0 | - | 4.91 | 80,412 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,857 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,679 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,552 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,617 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,748 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,146 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,038 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,166 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,048 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,450 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 123,320 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 320,637 |
| Boundary Waters | 0 | - | 4.92 | 88,218 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,955 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,633 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,788 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,103 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,759 |
| Empty World Map without 20 Random Countries | 0 | - | 4.93 | 136,299 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,679 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,466 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,090 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,653 |
| Cities Chain #2 | 0 | - | 4.42 | 56,247 |
| Cities Chain #1 | 0 | - | 4.61 | 66,469 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,385 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,149,607 |
| Landlocked Countries | 0 | - | 4.99 | 416,495 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 94,022 |
| Musical Acts by Country #1 | 0 | - | 4.45 | 78,943 |
| Geography General Knowledge #1 | 0 | - | 4.42 | 262,231 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 132,272 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 186,066 |
| Geography General Knowledge #6 | 0 | - | 4.53 | 151,389 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 158,763 |
| Geography General Knowledge #8 | 0 | - | 4.45 | 149,845 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 156,324 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 109,890 |
| Geography General Knowledge #12 | 0 | - | 4.80 | 124,070 |
| Geographic Groups of Four #1 | 0 | - | 4.70 | 175,701 |
| Geographic Groups of Five #1 | 0 | - | 4.48 | 120,267 |
| Geographic Groups of Seven #1 | 0 | - | 4.63 | 140,779 |
| Geographic Groups of Two #2 | 0 | - | 4.67 | 114,782 |
| Geographic Groups of Six #2 | 0 | - | 4.53 | 53,017 |
| Geographic Groups of Two #3 | 0 | - | 4.46 | 83,725 |
| Geographic Groups of Four #2 | 0 | - | 4.75 | 80,374 |
| Geographic Groups of Five #2 | 0 | - | 4.73 | 63,606 |
| Geographic Groups of Three #2 | 0 | - | 4.55 | 69,500 |
| Geographic Groups of Two #4 | 0 | - | 4.45 | 78,032 |
| Fast Math - Multiplication | 0 | - | 4.73 | 1,157,706 |
| Fast Math - Double That Number! | 0 | - | 4.78 | 612,629 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 274,138 |
| Four Letter Geography #2 | 0 | - | 4.39 | 63,860 |
| Three Letter Geography | 0 | - | 4.29 | 74,637 |
| Five Letter Geography #2 | 0 | - | 4.30 | 88,437 |
| Geography Analogies #5 | 0 | - | 4.22 | 55,073 |
| Seven Continents Quiz | 0 | - | 4.21 | 106,374 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,363 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,115 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,378 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,776 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,355 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,324 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,262 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,514 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,670 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,441 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,765 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,646 |
| Island Countries | 0 | - | 4.99 | 708,749 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,851 |
| Himalayan Countries | 0 | - | 4.95 | 136,433 |
| Andean Countries | 0 | - | 4.95 | 83,447 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,714 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,945 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,395 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,994 |
| Danube Countries | 0 | - | 4.97 | 71,379 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,189 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,838 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,120 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,078 |
| European Landlocked Countries | 0 | - | 4.99 | 146,112 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,733 |
| Countries with the Most Species | 0 | - | 4.99 | 101,201 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,869 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,320 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,501 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,141 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,796 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,171 |
| Countries in the Alps | 0 | - | 4.86 | 117,306 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,880 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,850 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,241 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,726 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,802 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,239 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,963 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,983 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,789 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,319 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,350 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,196 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,706 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,984 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,994 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,672 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,879 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,418 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,214 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,906 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,521 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,812 |
| Largest Countries By Category | 0 | - | 4.97 | 157,228 |
| Countries by Countries | 0 | - | 4.96 | 62,579 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,858 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,075 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,407 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,378 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,068 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,136 |
| Northernmost Countries | 0 | - | 4.99 | 359,282 |
| Islands by Country #2 | 0 | - | 4.80 | 77,179 |
| Countries of South America | 0 | - | 5.00 | 919,448 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,352 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,031 |
| "Land" Countries | 0 | - | 4.98 | 334,537 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,119 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,019 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,617 |
| Top World Languages | 0 | - | 4.92 | 817,083 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,903 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,322 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,189 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,835 |
| Longest International Borders | 0 | - | 4.99 | 264,275 |
| Countries with Three Borders | 0 | - | 4.96 | 36,340 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,772 |
| Country Decoders #1 | 0 | - | 4.44 | 43,611 |
