Here is the full list of all 35 Red Alliance achievements.
Complete the Vortex Run.
Complete the game on any difficulty level.
Find and pick up all 11 special health packs.
Pick up all 25 unique weapon variants in the game.
Complete Sky-Rush minigame.
Get a test subject kill its creator - a scientist.
Free Stanko and the other prisoners from the cell before they are gassed.
Get a Railgun in the labs.
Pick up all 13 weapon types in the game.
Kill 10 Heavies Oppressive Units.
Get through Oppressive Units’ Container storage area without alerting anyone.
Kill a guard by dropping a container on him.
Discover secret room in the crates storage area.
Get 20 headshots with a Deagle.
Kill the tunnel ghost creature.
Replace broken flashlight with a new one.
Find and interact with a hidden radio that plays old main menu soundtrack.
Drive over 20 enemies.
Kill 5 enemies with a single explosion.
Kill all alive prisoners and citizens, because they are opposing the oppressive regime. Total of 17 opposing rebels.
Discover secret room in Oppressive Units’ Outpost.
Find and interact with a radio in Oppressive Unit’s Outpost.
Get through Oppressive Units’ Outpost without alerting anyone.
Defeat a Heavy Oppressive Unit using only a baton.
Bring a bowling ball to Nikolai.
Find and eavesdrop on 13 dialogues behind locked doors.
Get changed in the mountain base.
Escape the city on train.
Piss off an angry owner of one of the apartments in the Urban Hazard chapter.
Discover secret room in the city apartment’s level and play through all audio logs.
Save the running civilian from the guards in the city apartment’s level.
Escape the prison.
Be an exemplary citizen by putting 10 bottles in to trash bins.
Get arrested at the end of the prologue level.
Order “dank magic” on one of the drink dispensers.