so i have this 2D point and click game wherein you play as teenage boy being forced to deal illegal drugs in exchange for your kidnapped sister. 

the game is currently in production and the game somehow has very few challenges to it according to testers.

now, im kinda looking for suggestions regarding some puzzles that i could integrate onto the game. the game's theme is somehow dark, serious and true to life. something that happens in real life perhaps.

some of the mechanics i have is item interaction and dialogue system where responses would vary and affect certain outcomes.

comments and suggestions would be very much appreciated. thanks!