Skip to main content

Loading JustGameGuides

Risk of Rain 2
Hades II
Balatro
Hades
Slay the Spire
Slay the Spire 2
R.E.P.O.
PEAK
Stardew Valley
Vampire Survivors

About Terms Privacy [email protected]© 2026 JustGameGuides. Not affiliated with or endorsed by any of the games or studios covered here.

Loading guide hub

Risk of Rain 2 / Challenges

Engineer: Zero Sum

As Engineer, finish charging the teleporter with zero monsters remaining on the stage.

Details

unlockable: Skills.Engi.Harpoon
prerequisite: Complete30StagesCareer
lunar coins: 3
steam img path: /images/ror2/challenges/steam/EngiClearTeleporterWithZeroMonsters.jpg
steam locked img path: /images/ror2/challenges/steam/locked/EngiClearTeleporterWithZeroMonsters.jpg