Wow ok, took Friday off, and hardly had any sleep. I did some early games in Rookie, Veteran, Commander, and Legend. Forget ironman mode, not worth it.
I also then watched a few vids from those who QA and played LW2. And I have reddit also browsing for more info. They are in, tech trees and tips. As well as more compatible mods.
For min-maxer, using Not Created Equally and Hidden Potential, Commander's Choice mod works with LW2 and I am using it which make my gaming better and do not have to use quick reload to promote my rookie to a squaddie of certain class.
Some opening strat:
1. Do not kill aliens with explosives in Gate Crasher (mission 1). You will need most of the corpses. Also loot drop are destroyed if death by explosives.
2. Research Weapon Mod.
Build GTS.
Promote your Rookies.
Assign Gunner in Haven advisor.
Set all 6 to Intel.
Scan, skip the Blacksite.
3. Mission Type: Data Extraction. Send your Specialist with SMG and nothing else (or just the armor).
Send 1 Rookie with High mobility, with smoke and/or flashbang.
Take a mission that will give you 200% infiltration. Use the calculator spreadsheet posted in reddit.
With 2 guys at 200% infiltration means putting down the evac flare makes the evac available next turn.
Really map dependent: Specialist to hack via line of sight and in a spot to remain out of LOS from enemies.
Rookie to throw evac flare on specialist while maintaining out of LOS.
4. Mission Type: VIP Rescue. Need Shinobi because they start mission concealed and can can scout ahead for clear path.
I think 17-18 tiles visibility range, so your civilian VIP can try to skirt the sight range this way. Also they are not detected by towers.
5. Mission Type: Jail Break. This can be done by a smaller team, but I like using the rest of my Squaddies with some rookies.
Still, objective is to get into freeing the while concealed. Use 2 moves to get there sooner if the way is clear.
6. Research goes Alien Bio, and usually Render Trooper corpse to gain 2 Alloys.
7. Once GTS is built, save 35 supply to open Officer Training.
8. Swap out Gunner out of Haven with Ranger or Assault to help him level up, then put him back in Haven duty.
9. I also take out my Gunner off Haven duty to be my first Officer for Focus Fire.
10. When haven exceed 6, I put them on Recruit. When you find the faceless, play around with Supply and Recruit, but keep 10 on intel. That 6 haven intel + 4 sky ranger during scan.
11. Haven goal is to get 13 max active scanner, any personnel above the 13 are just reserves. So you need to open new region via Resistance research.
12. Skip missions if they do not work out with "at least 100% infiltration" at "Extremely Light" based on the "squad capable of doing objective."
Without Ironman the difficulty setting is useless...
What does it matter if you play on Rookie or Legendary if you're just going to savescum a bad result?
It matters because nuCOM 2 likes to bug out and fuck campaigns. If you're on Ironman too bad, so sad, start a new one!
I also prefer to play with it off so that I can keep three separate saves: Geoscape, Battlescape start of mission, and Battlescape current. Manifold reasoning: if something gets fucked I have a place to reload both in and out of mission (particularly important for the landing gear bug, though if you're on Ironman that screws you regardless since it saves there), if some Battlescape bug (like the shitty inconsistent LOS that lets ayys see you through floors/ceilings) screws the mission you can reload, and if you fuck up the mission you can save the updated Geoscape post-mission and then go back to run it a few times for practice to see if you can work out how you screwed up (I think of it as adding the mission to an in-universe training sim program).
Like, honestly, self-control. I gave up trusting games to not ruin saves a long time ago, especially when they have a track record. Backups layered over backups. Ironman is a formality for people with no internal discipline.