Full list of all 118 Risk of Rain 2 achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 103 achievements, and there are 2 DLC packs containing 15 achievements.
As Engineer, beat the game or obliterate on Monsoon.
Defeat an Elite boss on Monsoon difficulty.
Duplicate the same item 7 times in a row with a 3D Printer.
Complete a Prismatic Trial.
As Commando, clear 20 stages in a single run without picking up any Lunar items.
As Commando, land the killing blow on an Overloading Worm.
Fully upgrade a Shrine of the Woods.
As Acrid, land the final blow on a Scavenger.
Complete the Trial of Swarms.
As Acrid, land the killing blow on 50 total enemies that have 1 hit point left.
As Huntress, collect and carry 12 Crowbars at once.
As Huntress, start and finish either Rallypoint Delta or Scorched Acres without falling below 100% health.
As Huntress, land a killing blow with every possible hit of a single glaive.
Complete 20 stages in a single run.
As Artificer, fully defeat the teleporter boss in a one-second burst of damage.
As Artificer, perform a multikill of 20 enemies.
As Artificer, kill 15 enemies before touching the ground.
As REX, kill a Clay Dunestrider on Abandoned Aqueduct by throwing it into a pit.
As REX, complete an entire teleporter event while under 50% health.
Activate 6 turrets in a single run.
Repair the broken robot with an Escape Pod's Fuel Array.
Complete the Trial of Sacrifice.
Destroy 20 flying rocks in Sky Meadow.
Reach +200% attack speed.
Without healing, reach and complete the 3rd Teleporter event.
Discover the hidden chamber in the Abandoned Aqueduct.
In 4 consecutive stages don’t leave the teleporter radius until it is fully charged.
Die 20 times.
Defeat the Teleporter bosses after activating 2 Shrines of the Mountain.
Complete the Trial of Command.
Complete 3 Combat Shrines in a single stage.
Beat the game.
Find the Altar to N'kuhana.
As Engineer, defeat the teleporter boss in less than 5 seconds after it spawns.
Free the survivor suspended in time.
Repair 30 drones or turrets.
As Engineer, finish charging the teleporter with zero monsters remaining on the stage.
Defeat 500 elite monsters.
Open the Timed Security Chest on Rallypoint Delta.
Stabilize the Cell in the Void Fields.
Complete the Trial of Honor.
As Engineer, recruit 12 minions at one time.
Complete the Trial of Enigma.
Die three times while burning.
Complete 30 stages.
Die 5 times.
Complete the Trial of Dissonance.
Collect 10 Monster or Environment Logs.
Defeat 3000 enemies.
Obliterate yourself at the Obelisk..
Kill 15 boss monsters in a single run.
Kill 15 enemies simultaneously.
Fully charge a Teleporter without getting hit.
Loop back to the first stage.
Defeat the unique guardian of Gilded Coast without any beacons deactivating.
Discover and enter three unique portals.
Complete the first Teleporter event 5 times.
Deal 5000 damage in one shot.
Reach +300% movespeed (includes sprinting).
Collect $30,480 total gold.
As Loader, land a Charged Gauntlet hit at 300mph or higher.
Pick up 5 different types of Equipment.
Fail the Shrine of Chance 3 times in a row.
Defeat the unique guardian of Siren's Call.
Discover 10 unique white items.
Stay alive for 30 consecutive minutes.
Reach and complete the 3rd Teleporter event without dying.
Complete a Teleporter event.
Defeat the Teleporter boss under 15 seconds.
Defeat an Elite-type monster.
As Captain, repair and recruit a TC-280 Prototype.
As Captain, beat the game or obliterate on Monsoon.
As Captain, visit 10 different environments in a single run.
Carry 5 Lunar items in a single run.
Charge the Teleporter with less than 10% health.
As Commando, beat the game or obliterate on Monsoon.
As Commando, fully charge the first-stage teleporter before the timer hits 5 minutes.
Beat the game on Monsoon difficulty.
As Acrid, beat the game or obliterate on Monsoon.
As Acrid, inflict Poison 1000 total times.
Discover and activate 8 unique Newt Altars.
As Huntress, beat the game or obliterate on Monsoon.
As Loader, beat the game or obliterate on Monsoon.
As Loader, reach and proceed through the Celestial Portal in 25 minutes or less.
As Artificer, beat the game or obliterate on Monsoon.
As Mercenary, beat the game or obliterate on Monsoon.
As Mercenary, complete a Prismatic Trial without falling below 100% health.
As Mercenary, don't touch the ground for 30 seconds.
Complete the Trial of Spite.
Complete the Trial of Chaos.
Complete the Trial of Glass.
Complete the Trial of Evolution.
Complete the Trial of Metamorphosis.
Complete the Trial of Vengeance.
Complete the Trial of Kin.
Complete the Trial of Death.
Complete the Trial of Frailty.
Complete the Trial of Soul.
Kill 20 Hermit Crabs by chasing them off the edge of the map.
As MUL-T, beat the game or obliterate on Monsoon.
As MUL-T, defeat two Beetle Queens without leaving the teleporter zone.
As MUL-T, land the killing blow on an Imp Overlord with the Preon Accumulator.
As REX, beat the game or obliterate on Monsoon.
As Bandit, successfully use 'Lights Out' to reset your cooldowns 15 times in a row.
As Bandit, beat the game or obliterate on Monsoon.
As Bandit, kill the final boss with 'Lights Out'.
As Bandit, kill a monster with 20 stacks of Hemorrhage.
As Captain, kill the final boss using a Supply Beacon
As Loader, kill three other Loaders in the Bulwark's Ambry.
As Mercenary, use 20 abilities in 10 seconds.
As MUL-T, clear the Void Fields on Stage 7 or later.
As REX, heal for 1000 health at once.
Escape the Planetarium or complete wave 50 in Simulacrum.
As Railgunner, deal 1,000,000 damage in one shot.
As Railgunner, fire 30 consecutive sniper shots without missing a Weak Point.
As Railgunner, get 3 kills with a single Supercharge shot while airborne.
As Railgunner, beat the game or obliterate on Monsoon.
As 「V??oid Fiend』, beat the game or obliterate on Monsoon.