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