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Understanding System Upgrades:
- System Upgrades are crucial enhancements, unlockable with Experience Points, gained through efficient train network management. - These upgrades vary, with Green Upgrades focusing on commuter trains and inter-cities and Red Upgrades on freight and regional trains.
Accruing Experience Points:
- Earn Experience Points for each train that completes its schedule without significant delays, adhering to the time allowances of accepted contracts. - Efficient scheduling and on-time train performance are pivotal in accumulating these points.
Unlocking Upgrade Tiers:
- The System Upgrades are tiered, each level presenting more sophisticated enhancements. - Gather the necessary Experience Points within a single Cycle to access higher upgrade tiers.