Idle Planet Miner Spreadsheet May 2026

The game is called Idle Planet Miner, but the spreadsheet might reveal you are losing money.

| Planet | Level | Ore Type | Value (Base) | Qty/sec (Your mine) | Income/sec | Next Upgrade Cost | ROI (sec) | |--------|-------|----------|--------------|---------------------|------------|-------------------|-----------| | 1 | 15 | Copper | 1 | 25.0 | 25 | 12,000 | 480 | | 4 | 8 | Iron | 2 | 8.5 | 17 | 8,000 | 470 | | 8 | 3 | Gold | 15 | 1.2 | 18 | 25,000 | 1389 |

Formulas:

How to use: Sort by ROI (smallest to largest) – upgrade that planet next.

Developer: Iron Horse Games LLC Genre: Idle / Incremental / Simulation Platform: Android / iOS

Idle Planet Miner is an incremental/idle game where optimizing resource collection, upgrades, and automation turns slow progress into exponential growth. A well-designed spreadsheet can help you decide what to buy next, where to spend research points, and when to prestige. This post outlines a practical spreadsheet setup, key formulas, and tactics to maximize your output.