From the Depths can be, it costs materials so you need to take it into consideration when building. If you design it well it should be fine but designed poorly you can easily run out of materials for supplying your guns with ammo. Or even run out of fuel.
Also got games like escape from duckov where you need to buy/make/loot every single shot.
Are any of them so astoundingly expensive? Now that you mention it I do remember going into debt from bullet costs in armored core 4
From the Depths can be, it costs materials so you need to take it into consideration when building. If you design it well it should be fine but designed poorly you can easily run out of materials for supplying your guns with ammo. Or even run out of fuel.
Also got games like escape from duckov where you need to buy/make/loot every single shot.