Picture from official post

Game goal: As shown in the picture, we need to get the last can, do activities to accumulate green stars, and stop when we reach the full level, otherwise it will consume too much energy. Upgrading the building with stars allows you to see the history of your family's fortune, but there is almost no benefit other than that. Moreover, I spent several tubes of stamina and ten minutes of unlimited stamina but still couldn't reach the end, so the gain outweighed the loss.

Tips: Surround the flowers in a circle next to the accelerator to quickly synthesize upgrades. Stopping at full level, the national server seems to be able to end early, I forgot, the international server has to wait until the end of time. When you get the stone synthetic arch in Figure 2, sometimes you may not have enough materials, and you have to enter the level again and re-swipe it. It is recommended to make a few more arches so that you can quickly synthesize the final tin can. It is recommended to make three or four. It is too slow to make only one.