PUBG · High Tier
Obscures an area for long enough to revive, reposition, or cross open ground almost risk-free.
For every weapon between A and S tier, apply one nerf to one aspect of it so it's not completely dominant on the battlefield.
Each entry lists the move or ability affected, the adjustment itself, and — where the analysis states one — the problem it is meant to solve and the reasoning behind it.
Smoke Grenade is one of PUBG's entries — the full tier-by-tier breakdown covers the whole roster.