Idle Planet Miner Spreadsheet Review

If you want to progress past the first few planets in Idle Planet Miner, you quickly realize that guessing which Mining Project to upgrade next is a recipe for stagnation. To maximize your Credit income and reach the Core on tougher planets, you need a spreadsheet.

This guide covers what you should track, how to calculate the "ROI" (Return on Investment), and includes a copy-paste template for your own use.

Score: 8/10 (For fans of the genre)

Pros:

Cons:

Conclusion: Idle Planet Miner is one of the best incremental games on mobile because it respects the player's intelligence. It doesn't just ask you to tap; it asks you to manage a supply chain. If you enjoy optimizing systems and don't mind keeping a Google Sheet tab open to track your mining empire, this game is highly recommended.

Using conditional formatting, map:

| Planet | Ore Type | Base Mining Rate | Current Level | Upgrade Cost | Adjacent Bonus | |--------|----------|------------------|---------------|--------------|----------------| | Terra | Iron | 12/s | 25 | 5.2M credits | +10% from Moon |

You have two options: Build from scratch (takes 4-5 hours) or download a community template (takes 4 minutes).

Simply knowing the ROI isn't enough. You also need to know how long it takes to save up for the upgrade. Formula: Cost of Upgrade / Current Credits per Second idle planet miner spreadsheet

Pro Tip: Create a conditional formatting rule in Excel/Google Sheets.

This is the defining characteristic of the game. The math behind mining efficiency, alloy profitability, and research trees is deep.