Legend will still remain ahead of Veteran even with the scaling, though. For example, general difficulty starts higher on Legend, but it grows more slowly than even Veteran does. Many of the changes are designed so that Legend, which starts out harder, doesn't quickly scale into an unwinnable mess.

How many supplies you get per region per month, and how long it takes to make contact with a region or build a comm tower.How many corpses you need to complete an autopsy instantly.How long it takes to train a rookie, respec a soldier, or complete psi training.

The relative likelihood of which Dark Event you will receive, and how much intel it costs to reveal a hidden Dark Event.The initial game difficulty and how much difficulty increases month-by-month.The intel costs of items at the Black Market.a Scientist or Engineer if you're low on them, or soldiers of a particular class, etc) The chance you'll get given a reward you 'need' (e.g.How much rushing research at the Black Market helps you (halved on Legend).Whether you get bonus mission reward intel at regular events (Rookie and Veteran only).How quickly the aliens adjust their 'force level', which influences what enemy types can spawn on missions and what kind of loot you can find.How quickly the Avatar Project makes progress, especially based on how many facilities the aliens have.Research time, soldier recovery time, and the time to clean rooms on the Avenger.How long it takes your soldiers to heal from injury (significantly longer on Legend)ДЇound in: XComGameData.ini, all over the place.Whether the alien AI goes easy on you aliens will limit their number of attacks per turn on easier difficulties.How likely your soldiers are to be shaken after a mission, and how many missions it takes to recover from being shaken.Enemy stats, mostly health and armor but occasionally also crit chance, dodge, and aim (maybe more).Judging by the comments in the code, it's an oversight and might get patched out. I'm not sure why Commander gives you a miss streak bonus (which is actually higher than Rookie or Veteran). The only issue with this was that timer missions still ticked down. Alien hit chance for dead soldiers (Rookie and Veteran): For each soldier you've had die on the current mission (below 4 soldiers), the aliens take a penalty to aim. XCOM 2вЂ™s big gameplay changer was the concealment mechanic where you could move around unseen and get the drop on the enemy.XCOM hit chance for dead soldiers (Rookie and Veteran): For each soldier you've had die on the current mission (below 4 soldiers), your soldiers are given an invisible aim bonus.Hit streaks (Rookie only): The aliens take a penalty to aim for each consecutive hit they have in a turn.Miss streaks (Rookie, Veteran, and Commander): For each consecutive miss in a turn, your soldiers are given an invisible aim bonus.Base aim multiplier (Rookie and Veteran): Your shots have an invisible multiplier applied to make it easier to hit.On every difficulty except Legend, the game applies a number of modifiers to both your attacks and the aliens' attacks.

Aim cheatingДЇound in: XComGameCore.ini, AimAssistDifficulties The below is by no means an exhaustive list it contains just the highlights of what I've found from perusing the INI files and a bit of the code.

Xcom 2 mission difficulty