>>531204794
Many ways to make the game harder.
>More armor and hp for enemies
>More enemies
>more complex objectives
>better accuracy and detection for the enemies
>more negative modifiers
>reduced ammo and stims for helldivers
>Shorter mission times
>less helldiver lives
Everything i listed would however be labeled as "artificial difficulty" by butthurt redditors and /hdg/ players. Because for redditors, anything that actually makes the game more challenging is considered "artificial","tedious", annoying or whatever cop out they use to deflect their skill issue.