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