Viability Tiers

From Sandustry Official Wiki

The development of your factory is divided into Viability Tiers; checkpoints that require you to deliver a certain level of work before you can progress, and unlock further Research.

Tier Task Quantity Required Guide
Factory Tier 1 Shake Wet Sand 4,000 N/A
Factory Tier 2 Press Burnt Residue 3,000 N/A
Factory Tier 3 Grow Flowers 4,000 Amethelis Flower Guide
Factory Tier 4 Condense Florin into Florinol 10,000 N/A
Factory Tier 5 Peak Energy 100,000 N/A
Factory Tier 6 Aura 10,000 N/A

The task for each Tier is usually related to the technology that has just been unlocked; there are often clues in those technologies or the task description to point you in the right direction.

The guides for each Tier task will hopefully help point you in the right direction.