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