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