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.
Stabilize the Cell in the Void Fields.
As MUL-T, defeat two Beetle Queens without leaving the teleporter zone.
Reach +200% attack speed.
Discover the hidden chamber in the Abandoned Aqueduct.
Complete 3 Combat Shrines in a single stage.
Find the Altar to N'kuhana.
Defeat 500 elite monsters.
Open the Timed Security Chest on Rallypoint Delta.
Die 20 times.
Defeat the Teleporter bosses after activating 2 Shrines of the Mountain.
Obliterate yourself at the Obelisk..
Kill 15 enemies simultaneously.
Activate 6 turrets in a single run.
Complete the Trial of Command.
Discover and enter three unique portals.
Reach +300% movespeed (includes sprinting).
Die three times while burning.
As Engineer, recruit 12 minions at one time.
In 4 consecutive stages don’t leave the teleporter radius until it is fully charged.
Repair 30 drones or turrets.
Free the survivor suspended in time.
Fully charge a Teleporter without getting hit.
As Engineer, finish charging the teleporter with zero monsters remaining on the stage.
Collect 10 Monster or Environment Logs.
Defeat 3000 enemies.
Destroy 20 flying rocks in Sky Meadow.
Complete 30 stages.
Beat the game.
Defeat the unique guardian of Siren's Call.
Complete the first Teleporter event 5 times.
Without healing, reach and complete the 3rd Teleporter event.
Die 5 times.
Kill 15 boss monsters in a single run.
Fail the Shrine of Chance 3 times in a row.
As Huntress, collect and carry 12 Crowbars at once.
Duplicate the same item 7 times in a row with a 3D Printer.
Deal 5000 damage in one shot.
Defeat the Teleporter boss under 15 seconds.
Loop back to the first stage.
Complete the Trial of Honor.
Collect $30,480 total gold.
As Huntress, land a killing blow with every possible hit of a single glaive.
Pick up 5 different types of Equipment.
Stay alive for 30 consecutive minutes.
Discover 10 unique white items.
Reach and complete the 3rd Teleporter event without dying.
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.
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.
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, beat the game or obliterate on Monsoon.
As Engineer, defeat the teleporter boss in less than 5 seconds after it spawns.
Discover and activate 8 unique Newt Altars.
Defeat an Elite boss on Monsoon difficulty.
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.
Defeat the unique guardian of Gilded Coast without any beacons deactivating.
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.
Fully upgrade a Shrine of the Woods.
As Mercenary, beat the game or obliterate on Monsoon.
As Mercenary, complete a Prismatic Trial without falling below 100% health.
As Mercenary, don't touch the ground for 30 seconds.
Complete the Trial of Spite.
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 Metamorphosis.
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.
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, 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 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.