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 REX, kill a Clay Dunestrider on Abandoned Aqueduct by throwing it into a pit.
As Acrid, land the final blow on a Scavenger.
As Acrid, inflict Poison 1000 total times.
As Mercenary, beat the game or obliterate on Monsoon.
As Captain, 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.
As Acrid, beat the game or obliterate on Monsoon.
As MUL-T, land the killing blow on an Imp Overlord with the Preon Accumulator.
As Huntress, start and finish either Rallypoint Delta or Scorched Acres without falling below 100% health.
As Loader, reach and proceed through the Celestial Portal in 25 minutes or less.
As REX, beat the game or obliterate on Monsoon.
As REX, complete an entire teleporter event while under 50% health.
Kill 20 Hermit Crabs by chasing them off the edge of the map.
As Huntress, beat the game or obliterate on Monsoon.
As Commando, beat the game or obliterate on Monsoon.
As Acrid, land the killing blow on 50 total enemies that have 1 hit point left.
Beat the game on Monsoon difficulty.
As MUL-T, beat the game or obliterate on Monsoon.
As Captain, visit 10 different environments in a single run.
As Captain, repair and recruit a TC-280 Prototype.
As Commando, land the killing blow on an Overloading Worm.
As Commando, clear 20 stages in a single run without picking up any Lunar items.
Complete 20 stages in a single run.
As Engineer, beat the game or obliterate on Monsoon.
As Engineer, finish charging the teleporter with zero monsters remaining on the stage.
Defeat an Elite boss on Monsoon difficulty.
As Artificer, perform a multikill of 20 enemies.
Complete the Trial of Frailty.
As Artificer, kill 15 enemies before touching the ground.
As Artificer, fully defeat the teleporter boss in a one-second burst of damage.
Complete the Trial of Evolution.
Complete the Trial of Soul.
As Engineer, defeat the teleporter boss in less than 5 seconds after it spawns.
Complete the Trial of Spite.
Complete the Trial of Death.
As MUL-T, defeat two Beetle Queens without leaving the teleporter zone.
Complete the Trial of Enigma.
Defeat the unique guardian of Gilded Coast without any beacons deactivating.
As Huntress, land a killing blow with every possible hit of a single glaive.
Complete the Trial of Dissonance.
Complete the Trial of Swarms.
As Mercenary, don't touch the ground for 30 seconds.
Complete the Trial of Vengeance.
As Loader, land a Charged Gauntlet hit at 300mph or higher.
Discover and activate 8 unique Newt Altars.
Carry 5 Lunar items in a single run.
Complete the Trial of Kin.
Beat the game.
Activate 6 turrets in a single run.
As Engineer, recruit 12 minions at one time.
Complete the Trial of Honor.
Die 20 times.
Reach +200% attack speed.
Stabilize the Cell in the Void Fields.
Die three times while burning.
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 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.
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.
Free the survivor suspended in time.
Deal 5000 damage in one shot.
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 500 elite monsters.
Defeat 3000 enemies.
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 Command.
Complete the Trial of Chaos.
Complete the Trial of Glass.
Complete the Trial of Metamorphosis.
Complete the Trial of Sacrifice.
Duplicate the same item 7 times in a row with a 3D Printer.
Complete the first Teleporter event 5 times.
Repair the broken robot with an Escape Pod's Fuel Array.
Stay alive for 30 consecutive minutes.
Repair 30 drones or turrets.
Collect $30,480 total gold.
Discover and enter three unique portals.
Defeat an Elite-type monster.
As Mercenary, complete a Prismatic Trial without falling below 100% health.
As Bandit, kill the final boss with 'Lights Out'.
As Captain, kill the final boss using a Supply Beacon
As REX, heal for 1000 health at once.
As Bandit, kill a monster with 20 stacks of Hemorrhage.
As Bandit, beat the game or obliterate on Monsoon.
As MUL-T, clear the Void Fields on Stage 7 or later.
As Mercenary, use 20 abilities in 10 seconds.
As Loader, kill three other Loaders in the Bulwark's Ambry.
As Bandit, successfully use 'Lights Out' to reset your cooldowns 15 times in a row.
As Railgunner, beat the game or obliterate on Monsoon.
As Railgunner, deal 1,000,000 damage in one shot.
As 「V??oid Fiend』, beat the game or obliterate on Monsoon.
As Railgunner, fire 30 consecutive sniper shots without missing a Weak Point.
As Railgunner, get 3 kills with a single Supercharge shot while airborne.
Escape the Planetarium or complete wave 50 in Simulacrum.