Crysis Remastered: How to Enable Classic Suit Mode

from the main menu select options than game, Tick the classic suit option.
It should be noted that this seems to hard disable suit shortcuts (this is most likely a bug)

• No more on-screen effects when entering armour mode

• suit energy does not tick down while in armour mode and will instead regenerate

• a speed mode is now a toggleable option

• you can now sprint while in amour, power and clock mode without using extra suit energy

• you can now jump without power jumping and throw things without power throwing them

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Thanks to Sgt-ShoeShine 射精 for his great guide, all credit to his effort. you can also read the original guide from Steam Community. enjoy the game.