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 Acrid, land the killing blow on 50 total enemies that have 1 hit point left.
As Acrid, inflict Poison 1000 total times.
Open the Timed Security Chest on Rallypoint Delta.
Complete the Trial of Vengeance.
Charge the Teleporter with less than 10% health.
Defeat an Elite boss on Monsoon difficulty.
Complete a Prismatic Trial.
Carry 5 Lunar items in a single run.
Complete the Trial of Evolution.
Complete the Trial of Frailty.
Complete the Trial of Metamorphosis.
Complete the Trial of Swarms.
Complete the Trial of Dissonance.
Complete the Trial of Enigma.
Duplicate the same item 7 times in a row with a 3D Printer.
As Commando, fully charge the first-stage teleporter before the timer hits 5 minutes.
Complete the Trial of Chaos.
As Huntress, land a killing blow with every possible hit of a single glaive.
Complete the Trial of Soul.
As Captain, visit 10 different environments in a single run.
Complete the Trial of Honor.
As Huntress, start and finish either Rallypoint Delta or Scorched Acres without falling below 100% health.
Complete the Trial of Glass.
As Huntress, collect and carry 12 Crowbars at once.
Complete the Trial of Spite.
Complete the Trial of Sacrifice.
Fully upgrade a Shrine of the Woods.
Complete the Trial of Death.
Activate 6 turrets in a single run.
Discover and activate 8 unique Newt Altars.
Obliterate yourself at the Obelisk..
Repair 30 drones or turrets.
Find the Altar to N'kuhana.
Complete 20 stages in a single run.
Repair the broken robot with an Escape Pod's Fuel Array.
Defeat the unique guardian of Gilded Coast without any beacons deactivating.
Free the survivor suspended in time.
Reach +200% attack speed.
Complete 3 Combat Shrines in a single stage.
Beat the game.
Defeat the Teleporter bosses after activating 2 Shrines of the Mountain.
In 4 consecutive stages don’t leave the teleporter radius until it is fully charged.
Complete 30 stages.
Die 20 times.
Die three times while burning.
Defeat 3000 enemies.
Defeat 500 elite monsters.
Complete the Trial of Kin.
Reach +300% movespeed (includes sprinting).
Destroy 20 flying rocks in Sky Meadow.
Kill 15 boss monsters in a single run.
Collect 10 Monster or Environment Logs.
Kill 15 enemies simultaneously.
Deal 5000 damage in one shot.
Defeat the Teleporter boss under 15 seconds.
Complete the first Teleporter event 5 times.
Loop back to the first stage.
Complete the Trial of Command.
Discover and enter three unique portals.
Die 5 times.
Fail the Shrine of Chance 3 times in a row.
Collect $30,480 total gold.
Defeat the unique guardian of Siren's Call.
Discover 10 unique white items.
Pick up 5 different types of Equipment.
Fully charge a Teleporter without getting hit.
Reach and complete the 3rd Teleporter event without dying.
Stay alive for 30 consecutive minutes.
Discover the hidden chamber in the Abandoned Aqueduct.
Stabilize the Cell in the Void Fields.
Without healing, reach and complete the 3rd Teleporter event.
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 Commando, beat the game or obliterate on Monsoon.
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.
Beat the game on Monsoon difficulty.
As Acrid, beat the game or obliterate on Monsoon.
As Acrid, land the final blow on a Scavenger.
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.
As Huntress, beat the game or obliterate on Monsoon.
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.
As Mercenary, don't touch the ground for 30 seconds.
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.
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.
As Railgunner, deal 1,000,000 damage in one shot.
As Railgunner, fire 30 consecutive sniper shots without missing a Weak Point.
Escape the Planetarium or complete wave 50 in Simulacrum.
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.