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