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 MUL-T, land the killing blow on an Imp Overlord with the Preon Accumulator.
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 Artificer, kill 15 enemies before touching the ground.
As REX, complete an entire teleporter event while under 50% health.
As REX, kill a Clay Dunestrider on Abandoned Aqueduct by throwing it into a pit.
Complete the Trial of Chaos.
Complete the Trial of Glass.
As Mercenary, complete a Prismatic Trial without falling below 100% health.
Complete the Trial of Spite.
As Acrid, land the final blow on a Scavenger.
Complete the Trial of Death.
As Engineer, defeat the teleporter boss in less than 5 seconds after it spawns.
As Engineer, beat the game or obliterate on Monsoon.
As Engineer, recruit 12 minions at one time.
Complete the Trial of Vengeance.
As MUL-T, beat the game or obliterate on Monsoon.
As REX, beat the game or obliterate on Monsoon.
As Loader, beat the game or obliterate on Monsoon.
As Commando, beat the game or obliterate on Monsoon.
As Commando, clear 20 stages in a single run without picking up any Lunar items.
As Loader, land a Charged Gauntlet hit at 300mph or higher.
As Captain, visit 10 different environments in a single run.
Defeat an Elite boss on Monsoon difficulty.
Kill 20 Hermit Crabs by chasing them off the edge of the map.
Carry 5 Lunar items in a single run.
As Commando, land the killing blow on an Overloading Worm.
As Captain, beat the game or obliterate on Monsoon.
Find the Altar to N'kuhana.
Discover the hidden chamber in the Abandoned Aqueduct.
As Engineer, finish charging the teleporter with zero monsters remaining on the stage.
As Huntress, beat the game or obliterate on Monsoon.
As Captain, repair and recruit a TC-280 Prototype.
As Acrid, beat the game or obliterate on Monsoon.
As Acrid, inflict Poison 1000 total times.
Beat the game on Monsoon difficulty.
As Mercenary, beat the game or obliterate on Monsoon.
As Loader, reach and proceed through the Celestial Portal in 25 minutes or less.
Complete the Trial of Frailty.
Charge the Teleporter with less than 10% health.
Complete 20 stages in a single run.
As Huntress, start and finish either Rallypoint Delta or Scorched Acres without falling below 100% health.
As Huntress, land a killing blow with every possible hit of a single glaive.
Complete the Trial of Soul.
As Mercenary, don't touch the ground for 30 seconds.
Obliterate yourself at the Obelisk..
Complete the Trial of Metamorphosis.
Complete the Trial of Dissonance.
Fully upgrade a Shrine of the Woods.
Defeat the unique guardian of Gilded Coast without any beacons deactivating.
Complete the Trial of Evolution.
Complete a Prismatic Trial.
Complete the Trial of Enigma.
Complete 3 Combat Shrines in a single stage.
Open the Timed Security Chest on Rallypoint Delta.
As Huntress, collect and carry 12 Crowbars at once.
Complete the Trial of Swarms.
Without healing, reach and complete the 3rd Teleporter event.
Discover and activate 8 unique Newt Altars.
As MUL-T, defeat two Beetle Queens without leaving the teleporter zone.
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 Kin.
Defeat the unique guardian of Siren's Call.
Fully charge a Teleporter without getting hit.
As Acrid, land the killing blow on 50 total enemies that have 1 hit point left.
Stabilize the Cell in the Void Fields.
Discover and enter three unique portals.
Free the survivor suspended in time.
In 4 consecutive stages don’t leave the teleporter radius until it is fully charged.
Complete the Trial of Sacrifice.
Beat the game.
Die three times while burning.
Kill 15 boss monsters in a single run.
Reach +300% movespeed (includes sprinting).
Collect 10 Monster or Environment Logs.
Defeat the Teleporter bosses after activating 2 Shrines of the Mountain.
Reach +200% attack speed.
Complete the Trial of Command.
Loop back to the first stage.
Complete the Trial of Honor.
Activate 6 turrets in a single run.
Deal 5000 damage in one shot.
Repair 30 drones or turrets.
Complete 30 stages.
Repair the broken robot with an Escape Pod's Fuel Array.
Defeat 500 elite monsters.
Kill 15 enemies simultaneously.
Die 20 times.
Fail the Shrine of Chance 3 times in a row.
Defeat 3000 enemies.
Destroy 20 flying rocks in Sky Meadow.
Defeat the Teleporter boss under 15 seconds.
Complete the first Teleporter event 5 times.
Collect $30,480 total gold.
Reach and complete the 3rd Teleporter event without dying.
Die 5 times.
Stay alive for 30 consecutive minutes.
Pick up 5 different types of Equipment.
Complete a Teleporter event.
Discover 10 unique white items.
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 MUL-T, clear the Void Fields on Stage 7 or later.
As Mercenary, use 20 abilities in 10 seconds.
As REX, heal for 1000 health at once.
As Bandit, kill the final boss with 'Lights Out'.
As Bandit, kill a monster with 20 stacks of Hemorrhage.
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 「V??oid Fiend』, beat the game or obliterate on Monsoon.
Escape the Planetarium or complete wave 50 in Simulacrum.
As Railgunner, deal 1,000,000 damage in one shot.
As Railgunner, beat the game or obliterate on Monsoon.
As Railgunner, fire 30 consecutive sniper shots without missing a Weak Point.
As Railgunner, get 3 kills with a single Supercharge shot while airborne.