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 Huntress, collect and carry 12 Crowbars at once.
As Huntress, land a killing blow with every possible hit of a single glaive.
Defeat an Elite boss on Monsoon difficulty.
As Artificer, perform a multikill of 20 enemies.
As REX, complete an entire teleporter event while under 50% health.
As Acrid, inflict Poison 1000 total times.
Carry 5 Lunar items in a single run.
As Acrid, land the killing blow on 50 total enemies that have 1 hit point left.
Stabilize the Cell in the Void Fields.
Complete the Trial of Glass.
As Mercenary, don't touch the ground for 30 seconds.
Complete the Trial of Death.
As Commando, clear 20 stages in a single run without picking up any Lunar items.
Complete 20 stages in a single run.
As Commando, land the killing blow on an Overloading Worm.
Complete the Trial of Swarms.
Complete the Trial of Command.
Complete the Trial of Kin.
Discover and activate 8 unique Newt Altars.
Complete a Prismatic Trial.
Charge the Teleporter with less than 10% health.
Complete the Trial of Sacrifice.
Find the Altar to N'kuhana.
Repair the broken robot with an Escape Pod's Fuel Array.
Obliterate yourself at the Obelisk..
As Loader, land a Charged Gauntlet hit at 300mph or higher.
Beat the game.
As Engineer, defeat the teleporter boss in less than 5 seconds after it spawns.
As Engineer, recruit 12 minions at one time.
Kill 15 boss monsters in a single run.
Discover the hidden chamber in the Abandoned Aqueduct.
Defeat the unique guardian of Gilded Coast without any beacons deactivating.
As Commando, fully charge the first-stage teleporter before the timer hits 5 minutes.
Without healing, reach and complete the 3rd Teleporter event.
Open the Timed Security Chest on Rallypoint Delta.
Defeat the Teleporter bosses after activating 2 Shrines of the Mountain.
Discover and enter three unique portals.
Kill 15 enemies simultaneously.
Reach +200% attack speed.
Destroy 20 flying rocks in Sky Meadow.
Reach +300% movespeed (includes sprinting).
Die 20 times.
Fully upgrade a Shrine of the Woods.
Fully charge a Teleporter without getting hit.
In 4 consecutive stages don’t leave the teleporter radius until it is fully charged.
Loop back to the first stage.
Complete the Trial of Honor.
Activate 6 turrets in a single run.
Fail the Shrine of Chance 3 times in a row.
Free the survivor suspended in time.
Complete 30 stages.
Die three times while burning.
Defeat 500 elite monsters.
Repair 30 drones or turrets.
Defeat 3000 enemies.
Defeat the unique guardian of Siren's Call.
Collect 10 Monster or Environment Logs.
Complete the first Teleporter event 5 times.
Die 5 times.
Duplicate the same item 7 times in a row with a 3D Printer.
Deal 5000 damage in one shot.
Defeat the Teleporter boss under 15 seconds.
Complete 3 Combat Shrines in a single stage.
Collect $30,480 total gold.
Reach and complete the 3rd Teleporter event without dying.
Discover 10 unique white items.
Pick up 5 different types of Equipment.
Complete a Teleporter event.
Defeat an Elite-type monster.
Stay alive for 30 consecutive minutes.
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.
As Commando, beat the game or obliterate on Monsoon.
Beat the game on Monsoon difficulty.
As Acrid, beat the game or obliterate on Monsoon.
As Acrid, land the final blow on a Scavenger.
As Engineer, beat the game or obliterate on Monsoon.
As Engineer, finish charging the teleporter with zero monsters remaining on the stage.
As Huntress, beat the game or obliterate on Monsoon.
As Huntress, start and finish either Rallypoint Delta or Scorched Acres without falling below 100% health.
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, kill 15 enemies before touching the ground.
As Artificer, beat the game or obliterate on Monsoon.
As Artificer, fully defeat the teleporter boss in a one-second burst of damage.
As Mercenary, beat the game or obliterate on Monsoon.
As Mercenary, complete a Prismatic Trial without falling below 100% health.
Complete the Trial of Spite.
Complete the Trial of Enigma.
Complete the Trial of Chaos.
Complete the Trial of Dissonance.
Complete the Trial of Evolution.
Complete the Trial of Metamorphosis.
Complete the Trial of Vengeance.
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 REX, kill a Clay Dunestrider on Abandoned Aqueduct by throwing it into a pit.
As Bandit, kill the final boss with 'Lights Out'.
As Mercenary, use 20 abilities in 10 seconds.
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 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 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.