Level 1688 is the third level in Sugar Shrubs and the 9th mixed mode level (3rd jelly-ingredients). To pass this level, you must clear 81 double jelly squares and collect 5 cherries in 30 moves or fewer.
When you complete the level, Sugar Crush is activated and will score you additional points.
This used to be the first mixed level. However, levels 350, 434, 656, 805, 1030, 1055, 1067 and 1526 were changed to mixed levels as well.
This used to be first jelly-ingredients mixed level ( ()). For almost a year and a half, this was the only mixed combination in the game, with jelly-timed mixed levels ( ()) levels being introduced in level 2781 (before their removal). Following a redesign of the levels mentioned above, this is now the ninth mixed level in the game. Also, it once had or now have a record of being the first mixed level with all of the categories of hard levels:
It was the first mixed hexagon/hard level.
It was also the first mixed super hard level.
Now, it used to be the first mixed nightmarishly hard level. This is now the second mixed nightmarishly hard level, and the first level with this trait is now the aforementioned level 1526, which is also currently the first nearly impossible mixed level.
This used to be the first mixed level with four colours. The first level with this trait is now the aforementioned level 350.
There is an icon glitch on this level on Flash version that causes the icon to load as a moves level. However, when you mouse over it, it becomes mixed. This occurs for any hexagon level that is a mixed level type.
This level spawned sugar drops before this element was removed.