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