Achievement - How to unlock
Aren't You Clever - Win The Tutorial Level.
Disloyal Customer - Win a metagame using every tech.
Hello There! - Boot up the game.
Look Sir, Free Crabs! - Save a preset with 10 crabs.
One Star General - Win the metagame.
Pyrrhic Victory - Win a battle with more deaths than your enemy.
So That's What It's About - Watch the intro.
Technical Win - Lose a battle with less deaths than the victor.
These Guys Are Awesome! - Download 5 workshop mods.
War Torn - Fight 999,999 battles

Achievement How to unlock

BAT KEY Key for the giant bat door.
Claw Blade Cleaves enemies with minimum effort.
Fragile Heart Regenerate health over time.
Push Push Enemies away by shattering near them.
Stained Smasher Smashed Clock boss without dying single time. You have become the real stained smasher.
The Catcher Has a disarming disposition.
Throne You are the true heir of this stained kingdom.
Tunning Blade Smash glass creature with sound waves.
Weight A weight less to activate pully.

Achievement How to unlock

BABY TUTORIAL COMPLETE.
BLACKOUT LEVEL 4 COMPLETE.
BRONZE MEDAL EASY GAME COMPLETE.
CONTACT LEVEL 7 COMPLETE.
COUNTDOWN LEVEL 6 COMPLETE.
ENDURANCE PLAY 5 HOURS.
GOLD MEDAL HARD GAME COMPLETE.
HUNTER KILL 100 ENEMIES.
KILLER KILL 50 TANKS.
LIFE COLLECTOR COLLECT 10 LIVES.
PRESENTATION CARD LEVEL 1 COMPLETE.
RACER COMPLETE LEVEL 1 IN LESS THAN 4 MINUTES.
SABOTAGE LEVEL 5 COMPLETE.
SHIELD DESTROY 500 MISSILES.
SILVER MEDAL NORMAL GAME COMPLETE.
SURVIVOR COMPLETE LEVEL 5 WITHOUT LOSING A LIFE.
SYLAS' REVENGE LEVEL 3 COMPLETE.
THE LAST SNOWFLAKE LEVEL 2 COMPLETE.
TRAVELLER TRAVEL 100 KILOMETERS.
WEAPON COLLECTOR COLLECT 50 HOMING MISSILES.
ZOMBIE DIE 50 TIMES.

Cheats:
Unlock Alternate Endings:

The following endings become available when you complete the corresponding task.

'A Ruthless Killer' Ending:
In Chapter 7, give the gas mask to Mitzi then allow her to kill the Eye of Adam.

'I Care About You' Ending:
In Chapter 7, give the gas mask to Mitzi then prevent her from killing the Eye of Adam.

'Revenge' Ending:
In Chapter 7, keep the gas mask then kill the Eye of Adam.

'Golden' Ending:
In Chapter 1, tell the Queen of Maggots 'I'll do it my way'. Then in Chapter 2, answer at least two of Liz's questions correctly and correctly answer The Crow's riddle. In Chapter 3, avoid filling the 'stress' meter and triggering a mental breakdown. Then in Chapter 7 when you are confronted by the Queen of Maggots refuse to blow out a candle.

Achievement - How to unlock:
Afghan Camp - 2 stars on Afghan Camp.
Become War to survive a War - 20 kill per minute ratio on any level.
Cave Encounter - 2 stars on Cave Encounter.
Deep Jungle - 2 stars on Deep Jungle.
First Blood Complete - 3 stars on all CHAPTER 1 Levels.
First Blood Part II Complete - 3 stars on all CHAPTER 2 Levels.
Forrest Hunt - 2 stars on Forrest Hunt.
God would have mercy - Reload Combo of 100 on any level.
God, didn't make Rambo.I made him - Reach Rank 20.
Good supply of body bags - 2000 headshots in total.
I'm the last one, Sir - 3000 kills in total.
Interrogation Escape - 2 stars on Interrogation Escape.
Jailbreak - 2 stars on Jailbreak.
My War is Over - Complete story mode on Green Beret difficulty.
POW Camp - 2 stars on POW Camp.
POW Evac - 2 stars on POW Evac.
Prologue - 2 stars on Prologue.
Rambo III Complete - 3 stars on all CHAPTER 3 Levels.
River Run - 2 stars on River Run.
The Demolition Of Hope - 2 stars on The Demolition Of Hope.
The Final Showdown - 2 stars on The Final Showdown.
The Fort - 2 stars on The Fort.
The Fort - Second Stab - 2 stars on The Fort - Second Stab.
The Waterfall - 2 stars on The Waterfall.
Village Vanguard - 2 stars on Village Vanguard.
War you won't believe - 15x Score Multiplier on any level.
Your worst nightmare - 10 chain kill combo on any level.