Machine upgrades — fitted to THIS machine (lost if it's destroyed)
🗺 OVERWORLD — CLAIMS & AUCTIONS
🎓 OPERATOR SKILLS — trained by use, never lost
← → ↓ dig ↑ fly | B = bore test (reveal ground below) E = station M = overworld map K = skills Q = auto-drill R = field patch (Maint L10) | machines wear out — service them, or lose them with everything fitted