BattleTech
The year is 3025 and the galaxy is trapped in a cycle of perpetual war, fought by noble houses with enormous, mechanized combat vehicles called BattleMechs. Take command of your own mercenary outfit of `Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war. Upgrade your starfaring base of operations, negotiate mercenary contracts with feudal lords, repair and maintain your stable of aging BattleMechs, and execute devastating combat tactics to defeat your enemies on the battlefield.
If big stompy robots that ignore the laws of physics and are hugely less economic, practical, functional and harder to maintain in the midst of the economic collapse that is associated with war, are your thing - then ...