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