Crysis
40 Achievements
1,000
15-20h
Empty Platform
Secure the train station
20
How to unlock the Empty Platform achievement in Crysis - Definitive Guide
SPOILER
Mission: Onslaught
Once out of the tunnel drive and shoot your way trough the mission in your tank. You will naturally come across the train station but i also think that a secondary objective was there. Just kill all the enemies there so your allies can land and the achievement should pop.
Edit (thanks to Typhojd for finding out):
It seems that you can actually miss this achievement if you just drive through the station. To prevent yourself from playing this mission again or reloading the last checkpoint make sure to kill ALL of the enemies. Use the tank and shoot everything there (also shoot to the hills on your right as the korean troops will get some reinforcement from there).
To be sure that you´ve done everything right just not leave the station until your achievement has unlocked.
maybe it has to do something with the enemies there (if you miss one on the hills surrounding for example)
but thanks for mentioning ^^
*Missable*
Complete "Secure the Train Station" mission.
P.S. This achievement is said to be glitchy. If you dont get this then go back to the level "Onslaught" on a DIFFERENT DIFFICULTY and do it again. This seems to help just about everyone. It's the area where you blow up the idol train, then you stay in that area and secure it by killing every enemy (some will be sniping on the hill). After they've all been killed the achievement is will pop.
This trophy is missable (but can be gotten via chapter select on Onslaught which is Chapter 5). When you get to the area where you can clear out Boxcars on train tracks for the secondary objective make sure you kill everything around the area including above you on the ridge. Wait there until the trophy pops before moving on.