Chicken Run done. Wasn't so bad. It kinda was like how I explored in my first playthrough back then, messing with the guards etc. I had something like 22 hours, but not many alarms or kills.
My own MGS play-style is to get through an area with no alarms and hardly using any firearms, while still taking out many of the enemies by e.g. slitting their throat and collecting all items (e.g. it took ages for me to free the militia in Act 2 or get through the start of Act 5).
No installs between the acts was quite pleasant. Also, I was actually enjoying watching all the cutscenes again, had been some time and some of them are just awesome...
Some comments to the 22 emblems you can get in that run:
Hopefully helpful and to compare stats.
Chicken/Pig/Cow/Crocodile/Giant Panda/Puma:
[150x] Alert phases: 183 (never needed to grind those, had open firefights with the enemies during Act1&2 while farming for the kills)
[500x] Kills: 938 (finished the 500 in the Power Plant in Act 2, but anyway killed all following enemies I came across to explore the stages and farm DP/weapons. I used the "you enjoy killing" flashback thing to count whenever I killed 50 of the infinitely respawning guys)
[50x] Continues: 61 (grinded those with Meryl in Act 5 as explained in the guide, for some reason still very tedious)
[35hours] Play time: 37 hours (only left the console on by itself for 5 hours in Act 4. Lots of time spent exploring, playing with the enemies, grinding emblems, listening to all the podcasts, reading GAF and watching all cutscenes/codecs etc.)
[50] Healing items used: 64 (a lot of searching dead militia bodies etc., was very easy to get 75+ rations/noodles/Regains during Act1&2)
Bear - [100x] Enemies in chokeholds: ca. 132 (I can confirm that you only need to grab&hold the same enemy 100 times to get this emblem. No kills, no actual choking, just hold him for a second, let go & repeat. You can even roughly check progress via the number of CQCs performed if you don't do other CQC moves often)
Eagle - [150x] Headshots: 436 (on easy you don't get a nice feedback as enemies will anyway die after one shot
)
Hog - [10x] Combat highs: 30 (My game still had all the passwords entered so I used the Patriot gun with unlimited ammo for the kills once I had enough headshots, naturally I got the Combat highs as well with this)
Hawk - [25x] Praise received from allies: 30+ (as mentioned before, when I tranquilized the enemies I got praised every time)
Inch Worm - [60x] Minutes spent crawling: 111 min (Whenever I read GAF I put Snake in prone position or pressed against a wall etc. so I didn't had to dedicate an extra waiting perioid just for this. Btw. playing dead doesn't count to this)
Gekko - [60x] Minutes spent against a wall: 152 min (see Inch Worm, also did this while listening to some of the ingame podcasts)
Tortoise - [60x] Minutes spent in cardboard box/drum: 70 min (see Inch Worm. Was also easy to track as you can check your stats once you are in Act 2. Btw. I think this also counts for crouching)
Lobster - [150x] Minutes spent crouching: 330 min (Never needed to wait for that as I was crouch-walking most of the time anyway)
Gibbon - [50x] Enemies held up: 55+ (Did this with the
same single enemy in Act 1. Hold him up, run in front of him once so that he can see you not pointing the gun at him, he will then go back to normal. Hold up again and repeat. I wasn't sure at which point it counts as a new hold up but Snake only says "Freeze" etc. once the enemy was completely out of the hold-up animation, so I counted those)
Ant - [50x] Enemies body searched: 60+ (Again done with just
one enemy. Pick one that is crouching so that he will lay down once you hold him up. Now you can just do the full body search 50 times without the "danger" of knocking him out
. But honestly I think you don't even need to press the triangle prompts in between for this to count.)
Bee - [50x] Enemies injected with syringe/s.plug: 60+ (I only had to inject the
same enemy 50 times in a row with the s.plug for this to count)
Hyena - [400x] Items picked up: 1812 (obviously just pick up weapons from all your kills etc., had this after Act 1 already)
Blue Bird - [50x] Items given to allies: 55 (I mentioned this before, but in the first militia fighting spot they die constantly if you leave the enemies alone. So you can just search their dead bodies for rations/noodles and give the items to their arriving replacements
Can be done without leaving the area and is relatively fast)
Rabbit - [100x] Playboy pages turned: 105+ (they should have added more pictures!)
Frog - [100x] Forward rolls: 474 (At least I do them so often that there was no need for grinding)
Scarab - [200x] Sideways rolls: 223 (Had to grind them but that's very fast to do)
"+" = that's how many I counted as there are no visible stats for it.
I did not get the flashback trophy with 262 flashbacks. But I think I'm missing something in Act 2 Briefing/Act 2.
At least I have the theory that you can already see in the Act reward screens if you missed something. Have to report back about that.
All the other possible trophies I got, thanks again for the guide to follow!
Oh and I collected 64 weapon types (+ solar, + race gun). I'm glad the guide reminded me that I should buy all the stuff in Act 5