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.
Defeat an Elite boss on Monsoon difficulty.
Die 20 times.
Find the Altar to N'kuhana.
Die three times while burning.
Fully charge a Teleporter without getting hit.
Defeat 3000 enemies.
Complete the Trial of Spite.
Fail the Shrine of Chance 3 times in a row.
Discover the hidden chamber in the Abandoned Aqueduct.
Complete the first Teleporter event 5 times.
Defeat 500 elite monsters.
As Captain, visit 10 different environments in a single run.
Destroy 20 flying rocks in Sky Meadow.
Complete 30 stages.
Reach +300% movespeed (includes sprinting).
Complete the Trial of Metamorphosis.
Reach +200% attack speed.
Defeat the unique guardian of Gilded Coast without any beacons deactivating.
Complete the Trial of Command.
Defeat the Teleporter bosses after activating 2 Shrines of the Mountain.
Collect 10 Monster or Environment Logs.
Complete 3 Combat Shrines in a single stage.
As Mercenary, don't touch the ground for 30 seconds.
Obliterate yourself at the Obelisk..
Discover and enter three unique portals.
Defeat the Teleporter boss under 15 seconds.
Loop back to the first stage.
Stabilize the Cell in the Void Fields.
In 4 consecutive stages don’t leave the teleporter radius until it is fully charged.
Deal 5000 damage in one shot.
Defeat the unique guardian of Siren's Call.
Discover 10 unique white items.
Die 5 times.
Pick up 5 different types of Equipment.
Collect $30,480 total gold.
Free the survivor suspended in time.
Beat the game.
Kill 15 boss monsters in a single run.
Stay alive for 30 consecutive minutes.
Reach and complete the 3rd Teleporter event without dying.
Kill 15 enemies simultaneously.
Fully upgrade a Shrine of the Woods.
Complete a Teleporter event.
Defeat an Elite-type monster.
Activate 6 turrets in a single run.
As Captain, repair and recruit a TC-280 Prototype.
As Captain, beat the game or obliterate on Monsoon.
Carry 5 Lunar items in a single run.
Charge the Teleporter with less than 10% health.
As Commando, beat the game or obliterate on Monsoon.
As Commando, fully charge the first-stage teleporter before the timer hits 5 minutes.
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.
Beat the game on Monsoon difficulty.
Complete a Prismatic Trial.
Without healing, reach and complete the 3rd Teleporter event.
As Acrid, 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 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.
Open the Timed Security Chest on Rallypoint Delta.
Discover and activate 8 unique Newt Altars.
As Huntress, land a killing blow with every possible hit of a single glaive.
As Huntress, beat the game or obliterate on Monsoon.
As Huntress, collect and carry 12 Crowbars at once.
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.
Complete the Trial of Honor.
Complete the Trial of Enigma.
Complete the Trial of Chaos.
Complete the Trial of Glass.
Complete the Trial of Dissonance.
Complete the Trial of Evolution.
Complete the Trial of Sacrifice.
Complete the Trial of Vengeance.
Complete the Trial of Kin.
Complete the Trial of Swarms.
Complete the Trial of Death.
Complete the Trial of Frailty.
Complete the Trial of Soul.
Duplicate the same item 7 times in a row with a 3D Printer.
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.
Repair 30 drones or turrets.
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 Mercenary, use 20 abilities in 10 seconds.
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 Loader, kill three other Loaders in the Bulwark's Ambry.
As MUL-T, clear the Void Fields on Stage 7 or later.
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.