| Former Countries by Territory Map | 0 | - | 4.96 | 101,523 |
| Empires by Maps | 0 | - | 4.98 | 118,461 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,991 |
| Name that Object #1 | 0 | - | 3.56 | 96,301 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,749 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,024 |
| All Country Flags of the World | 0 | - | 5.00 | 3,601,278 |
| Years in History by Picture | 0 | - | 4.44 | 35,100 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,217 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,190 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,324 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,606 |
| Old Movies by Picture | 0 | - | 4.51 | 24,792 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,675 |
| Name that Object #2 | 0 | - | 3.64 | 15,322 |
| Name that Object #3 | 0 | - | 3.93 | 14,302 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,799 |
| Flags with Crescents | 0 | - | 4.98 | 167,535 |
| Country Flag Trivia | 0 | - | 4.81 | 55,917 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,400 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,442 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,892 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,451 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,372 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,020 |
| Random Logos Quiz | 0 | - | 4.32 | 207,001 |
| National Football Team Logos | 0 | - | 4.84 | 178,640 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,122 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,719 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,613 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,304 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,521 |
| Fruits by Picture | 0 | - | 4.20 | 804,596 |
| Geography by Picture - B | 0 | - | 4.42 | 55,408 |
| Geography by Picture - H | 0 | - | 4.49 | 58,040 |
| Geography by Picture - N | 0 | - | 4.45 | 42,045 |
| Geography by Picture - R | 0 | - | 4.55 | 40,876 |
| Geography by Picture - T | 0 | - | 4.54 | 57,674 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,254 |
| Flags to Languages | 0 | - | 4.95 | 172,469 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,277 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,910 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,330 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,805 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,293 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,104 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,579 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,919 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,177 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,321 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,859 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,607 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,469 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,152 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,481 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,965 |
| Name that Bug | 0 | - | 4.12 | 45,448 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,184 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,619 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,404 |
| Elements by Picture | 0 | - | 4.28 | 69,542 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,155 |
| Islands by Picture | 0 | - | 4.29 | 105,881 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,044 |
| Geography by Picture - A | 0 | - | 4.39 | 60,048 |
| Geography by Picture - D | 0 | - | 4.15 | 45,490 |
| Geography by Picture - F | 0 | - | 4.31 | 50,822 |
| Geography by Picture - G | 0 | - | 4.38 | 47,784 |
| Geography by Picture - J | 0 | - | 4.16 | 38,333 |
| Geography by Picture - K | 0 | - | 4.28 | 33,012 |
| Geography by Picture - C | 0 | - | 4.31 | 56,904 |
| Geography by Picture - L | 0 | - | 4.37 | 58,755 |
| Geography by Picture - M | 0 | - | 4.14 | 40,343 |
| Geography by Picture - P | 0 | - | 4.24 | 42,297 |
| Geography by Picture - S | 0 | - | 4.38 | 46,907 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,630 |
| Movie Logos | 0 | - | 4.33 | 235,841 |
| History by Picture - A | 0 | - | 4.25 | 45,456 |
| History by Picture - B | 0 | - | 4.40 | 48,574 |
| History by Picture - C | 0 | - | 4.36 | 54,075 |
| History by Picture - F | 0 | - | 4.35 | 37,576 |
| History by Picture - G | 0 | - | 4.40 | 41,842 |
| History by Picture - D | 0 | - | 4.29 | 44,001 |
| History by Picture - E | 0 | - | 4.27 | 43,621 |
| History by Picture - H | 0 | - | 4.37 | 36,536 |
| History by Picture - K | 0 | - | 4.35 | 33,097 |
| History by Picture - M | 0 | - | 4.17 | 35,905 |
| History by Picture - N | 0 | - | 4.40 | 40,989 |
| History by Picture - O | 0 | - | 4.39 | 36,032 |
| History by Picture - T | 0 | - | 4.20 | 33,093 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,256 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,978 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,569 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,230 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,912 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,096 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,832 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,768 |
| International Footballers by Picture | 0 | - | 4.50 | 54,721 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,595 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,610 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,288 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,342 |
| Flag Maths | 0 | - | 4.78 | 57,675 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 129,002 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,979 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,647 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,646 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,804 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,423 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,352 |
| Soccer Team Logos | 0 | - | 4.26 | 370,760 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,173 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,209 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,752 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,182 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,238 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,839 |
| Foods by Picture | 0 | - | 3.81 | 225,458 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,992 |
| Christmas by Picture | 0 | - | 4.25 | 28,099 |
| Hats by Picture | 0 | - | 4.21 | 17,904 |
| Weapons by Picture | 0 | - | 4.13 | 20,881 |
| Cars by Picture | 0 | - | 3.89 | 41,085 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,227 |
| Plants by Picture | 0 | - | 4.24 | 14,334 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,591 |
| Women in History by Picture | 0 | - | 4.25 | 25,758 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,656 |
| Geography by Picture - E | 0 | - | 3.55 | 47,275 |
| Landforms by Picture | 0 | - | 4.31 | 20,573 |
| Geography by Picture - I | 0 | - | 4.00 | 39,311 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,437 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,280 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,992 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,514 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,276 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,773 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,984 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,833 |
| History by Picture - I | 0 | - | 4.26 | 26,004 |
| History by Picture - J | 0 | - | 4.18 | 26,524 |
| History by Picture - L | 0 | - | 4.18 | 30,554 |
| History by Picture - P | 0 | - | 4.08 | 25,104 |
| History by Picture - Q | 0 | - | 4.03 | 21,916 |
| History by Picture - R | 0 | - | 4.13 | 26,629 |
| History by Picture - S | 0 | - | 4.14 | 27,587 |
| History by Picture - U | 0 | - | 4.24 | 24,938 |
| History by Picture - V | 0 | - | 4.30 | 24,908 |
| History by Picture - W | 0 | - | 4.01 | 21,492 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,459 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,645 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,895 |
| Flowers by Picture | 0 | - | 4.46 | 105,004 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,527 |
| Authors by Picture | 0 | - | 4.48 | 25,391 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,453 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,050 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,176 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,356 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,403 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,075 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,893 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,761 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,894 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,103 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,856 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,430 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,011 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,124 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,919 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,246 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,990 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,935 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,580 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,923 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,635 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,024 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,415 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,111 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,282 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,041 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,324 |
| Emoji Flags | 0 | - | 4.35 | 43,811 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,132 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,237 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,735 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,088 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,670 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,985 |
| Airline Logos | 0 | - | 4.45 | 139,940 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,401,668 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,910 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,794 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,694 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,656 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,177 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,005 |
| Vegetables by Picture | 0 | - | 4.39 | 62,840 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,836 |
