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