Quick answer: Sell Lemons appears to have 8 income tiers , from Lemon Stand up to Lemon X. One source also describes the game’s evolution system separately as 10 evolution tiers , so the exact count depends on whether you mean income tiers or evolutions.

What the 8 tiers are

The 8 income tiers listed are:

  1. Lemon Stand.
  2. LemonDash.
  3. Lemon Depot.
  4. Lemon Trading.
  5. Lemon Labs.
  6. Lemon Robotics.
  7. Lemon Republic.
  8. Lemon X.

Why people mix it up

Some guides use “tiers” for the core income ladder , while others use it for evolution/power progression. That’s why you may see both “8 tiers” and “10 tiers” depending on the page.

Quick takeaway

  • Income tiers: 8.
  • Evolution tiers: 10.

TL;DR: For most players asking about the main game progression, the answer is 8 tiers.