F1 – Activate Trainer
F2 – Infinite Credit
F3 – Infinite Research per Silo
First go into game and right click your mouse to display Resources Overview window, Now once the window is showing activate trainer and cheats.
Once you get the cheats effect disable cheats and disable the trainer, If you keep the cheats and the trainer activated for long the game will crash.
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If you want to refill your resources once again activate trainer and cheats then turn it off again.