Here is the full list of all 69 RIPOUT achievements.
Electrify yourself 100 times
Complete a derelict mission with the Grenade Launcher equipped
Complete a derelict mission with the Rocket Launcher equipped
Use the Petgun to hack an enemy
Reset the campaign for the first time
Kill 100 Rangers
Craft First Mark 3 weapon
Kill 100 Soldiers
Kill 100 Evaders
Kill 100 Spaceman
Three players are still alive and kicking when the boss is defeated
Beat the Boss 10 times
Destroy 500 enemy weak spots across the campaign
Craft 50 items
The main questline was completed
Fly the Hubship into a wormhole and reach the fourth sector
Equip one completely new shiny garment set
Fly the Hubship into a wormhole and reach the third sector
Complete a derelict mission with the Gamma Fury equipped
Kill 100 Zombies
Kill an enemy with the Axe
Use an attached Claw critter to kill a mutant
Fly the Hubship into a wormhole and reach the second sector
Kill 100 Swarmers
Start your first mission
Beat the Boss in Co-Op mode
Complete a derelict mission with the Laser Gun equipped
Complete a derelict mission with the Shotgun equipped
Resurrect your teammate
Destroy 200 enemy weak spots across the campaign
Craft 25 items of any kind
Unlock five weapons schematics
Jump to Sector 4 in co-op
Craft First Mark 2 weapon
Find ten support mods schematics
Destroy 100 enemy weak spots across the campaign
Show your dedication and create ten items of any kind
Equip three support mods on the Petgun
Show your craftsmanship and create five items of any sort
Complete a derelict mission with the Long Gun equipped
Pick up the revive token from the resurrection station
Equip any item
Craft any support mod for the Petgun at the Crafting station
Craft any weapon mod at the Crafting station
Craft any garment at the Crafting station
Deal 5000 damage to enemies in a single derelict ship run
Activate three enhancements while exploring one Derelict ship
Let your Petgun Ripout any part of a mutant!
Attack and kill an enemy with your and your teammates' Petgun!
Kill an enemy with a Ripout!
Command your pet to grab any critter and attach it
Kill a Mutant
Start your first mission in co-op
Complete the Tutorial
Complete a derelict mission with the Flamethrower equipped
Beat the Boss in Singleplayer mode
Beat the Boss on Hard difficulty in Singleplayer mode
Beat the Boss on Hard difficulty in Co-Op mode
Collect every Collectible
Collect all garments
Collect all weapons
Collect all weapon support mods
Collect all Mark 2 weapon mods
Collect all Mark 3 weapon mods
Kill 100 Heavy Mutants
Kill 100 Modulators
Jump to Sector 2 in co-op
Jump to Sector 3 in co-op
Kill 100 Bulwarks