The monkey has many friends and acquaintances, and usually it rushes at their call for help or just goes to visit. At this time, in the game Monkey Go Happy Stage 228, the monkey decided not to visit anyone, but to try fate alone, having gone to investigate the abandoned bunker. Climbing inside, the heroine realized that she did not know where to go next. The paths were blocked by hermetic shutters. To open them, you need to solve the lock code. Study the inscriptions - these are hints, if you understand where to apply them, everything will work out.