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