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