"Ground Center" refuses to share the strategy of repetitive labor achievements

Jul 18 2025

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There are some relatively unique hidden achievements in "The Return of the Earth". Rejecting repeated labor is one of the achievements. The requirement for achievement is to use the super-rig cooperative machine to manufacture no more than 500 items. Follow the main task of the game to the second floor of the Earth to unlock the equipment: the super-rig cooperative machine. The ultra-rig collaboration machine can make almost all processing materials/parts/equipment, etc. of unlocked drawings. How to achieve the achievement of repetitive labor when returning home from the center of the earth: until you enter the center of the earth, there are no more than 500 items made using the super-rig collaboration machine. Follow the main task of the game and go to the second floor of the earth to solve the problem.

There are some relatively unique hidden achievements in "Ground Center Return". Rejecting repeated labor is one of the achievements. The requirement for achievement is to use the super-rig cooperative machine to manufacture no more than 500 items. Follow the main task of the game to the second floor of the center of the earth to unlock the equipment: the super-rig cooperative machine. The ultra-rig collaboration machine can make almost all processing materials/parts/equipment, etc. of unlocked drawings.

How to do what you do if you refuse to repeat your work achievements on the journey back to the center of the earth

Conditions are met: until you enter the Earth Center Town, no more than 500 items are manufactured using the super-rig cooperative machine

Follow the main task of the game to the second floor of the earth to unlock the device: the super drilling rig cooperative machine. The ultra-rig collaboration machine can make almost all processing materials/parts/equipment, etc. of unlocked drawings. Compared with automated assembly lines, the advantages of ultra-rig collaboration machines are that they do not need to switch production equipment, do not need power supply, and the time it takes to produce items is short, and the disadvantages are that they require manual operation.

The Earth Center Town is located on the fourth floor of the Earth Center and can be reached with the main task.

Analysis: The key to this achievement lies in the ability to use power furnaces, power parts machines, power machine tools and other equipment to produce items, rather than using super-drilling rig collaborators quickly. Since the production equipment is missing just after reaching the second floor, it is inevitable to use the super-drilling rig cooperative machine to make parts and equipment. However, after making a certain quantity of production equipment, you must use the super-drilling rig cooperative machine with caution.

Since the technology unlocked on each layer of the game has an iterative improvement, there is no need to consider mining, transportation and production automation before reaching 5 layers, so there is no need to build too many equipment in the first four layers. The equipment provided by the task process and some of the initially built ones are completely enough. Here are the references for the initial quantity required: second floor: 2 power furnaces, 1 thermal generator, 1 small distribution cabinet, 2 power parts machine type 1, 1 power machine tool, and 1 power assembly machine type 1. Three floors: 2 geothermal generators, 3 automatic mining machines, and small single-digit telephone poles. The railway tracks and mine cart transport stations were not necessary in the early stages.

PS: The main situation that cannot be achieved in this achievement is that it is unable to withstand the ability to burn ore and burn parts, and is crazy about using the super-rig collaboration machine to make it. Please be sure to avoid this behavior.

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