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