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