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