Here is the full list of all 22 Crimsonland achievements.
Complete all Quests in Chapter 7.
Collect 50 Blowtorches.
Get over 50k points in Rush game mode.
Get over 100k points in Weapon Picker game mode.
Get over 250k points in Blitz game mode.
Complete the game in Grim difficulty.
Complete the game in Hardcore difficulty.
Unlock all Perks.
Complete all Quests in Chapter 6.
Complete all Normal Quest levels with full health remaining.
Complete all Quests in Chapter 5.
Get over 75k points in Nukefism game mode.
Complete all Quests in Chapter 4.
Get over 500k points in Survival game mode.
Complete all Quests in Chapter 3.
Destroy over 500 nests.
Get 100 hit accuracy in Chapter 2 Quest 5.
Complete all Quests in Chapter 1.
Complete all Quests in Chapter 2.
Get over 250k points in Survival game mode.
Bounce Shock Chain powerup over 30 times.
Explode 50 creatures to gibs within the first 30 seconds of a level.