🌐 Rabbasca, the forgotten Moon

by .Talon

This Moon of Gleba emits strange energy signatures which interfere with conventional energy sources. Use the limited power it provides to explore ancient vaults of a long gone civilization. Discover new ways to construct your machines and conquer space with your very own tool-assisted legs.

Content
a day ago
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Changelog

Version: 0.8.4
Date: 2025-12-06
  Balancing:
    - Vault support requesters can now only spawn up to 6 pylons during their lifetime
    - Reduced protection pylon's resistance to fire damage (100% -> 25%)
    - Flamethrower turrets now accept energetic residue and harenic lava
    - Vault console now has a fixed recipe, no longer accepting vault access key
    - Increased health of hack attempts (80 -> 100 / 620 -> 800)
    - Increased capture speed bonus of Vault security key (+25% -> +40%)
  Bugfixes:
    - Fixed vault console could be hacked indefinitely by using logistics network
Version: 0.8.3
Date: 2025-12-04
  Bugfixes:
    - Fixed description of machines with E.A.R.S.
    - Fixed Warpin from pylons not working
Version: 0.8.2
Date: 2025-11-30
  Bugfixes:
    - Fixed hacks lasting way too long due to resistance changes
Version: 0.8.1
Date: 2025-11-29
  Balancing:
    - Increased yield and spawn rate of Rabbascan rocks
  Bugfixes:
    - Fixed potential crash when deconstructing a warp pylon
Version: 0.8.0
Date: 2025-11-29
  Changes:
    - This update adds challenging content to the late game and reorganizes some rabbascan technologies
    - Purified Harene is now the powerful but hard to create resource it was meant to be
    - Haronite plate and purified harene recipes changed, making them much harder to acquire
    - Haronite plate is now also a tile placeable on space platforms, providing energy to E.A.R.S. cores
    - Added upgrades to Protein shake, Turbofuel and Beta carotene made from purified harene, requiring promethium science to unlock
    - Added new late-game technology to extract warp pylons from vaults
    - Total available power on Rabbasca can now be changed via setting
    - Vault protection pylons will now create alerts when spawned
    - Deprecated Railway expansion technology and changed the default for its setting. Other mods solve vehicle grids much better. It will be removed in a future update.
    - Reorganized API for other mods to interact with
  Balancing:
    - Reduced default total available power on Rabbasca to 30MW
    - E.A.R.S. core technology 1 cost increased to 500. to compensate, Assembling machine 1 and 2 with E.A.R.S. are available earlier
    - Quality modules can now be used in vaults
    - Increased vault access console resistances
    - Increased protection pylon max health. It will now stay around a bit longer
    - Warp pylon construction range now scales with quality (range indicator does not adjust though). Base range slightly reduced to 20
    - Rocket part from Turbofuel now requires a new item instead of haronite plate to keep the costs reasonable
    - Slightly reduced rocket launching speed of rocket silo with E.A.R.S. 
    - Carotenoid now stacks to 20
  Bugfixes:
    - Fixed Turbofish recycling yielding Protein Shakes
    - Fixed wrong claims made in E.A.R.S. core 3 tech description
Version: 0.7.4
Date: 2025-11-25
  Balancing:
    - Quality modules can now be used in vaults
    - Increased vault access console resistances
    - Increased protection pylon max health. It will now stay around a bit longer
  Bugfixes:
    - Fixed inserters would not insert items into Interplanetary cargo landing pad
Version: 0.7.3
Date: 2025-11-24
  Bugfixes:
    - Fixed crash when using bunnyhop engine
Version: 0.7.2
Date: 2025-11-23
  Changes:
    - [with Crushing Industry] Added energetic concrete mix required by energetic concrete instead of concrete and energetic residue
  Balancing:
    - Reduced fuel value of energetic residue
Version: 0.7.1
Date: 2025-11-22
  Bugfixes:
    - Fixed crash when re-adding rabbasca to a save it was previously removed from
Version: 0.7.0
Date: 2025-11-21
  Changes:
    - This update reworked a few recipes to add a bit more depth and better balance rabbasca-specific resources
    - Reworked intruder remains to contain a variety of ammo, but no longer advanced circuits
    - Added residue skimming recipe that provides an infinite source of advanced circuits, and a bunch of trash
    - Intruder remains now contain grenades, enabling some military science to be researched when starting on Rabbasca
    - Document forging 1 is now a trigger technology and unlocks after mining 200 vault access keys
    - Added recipe to turn Haronite into calcite and stone
    - Calcite is no longer extracted from vaults
    - Protein shake now requires a plastic bottle to craft, and that bottle will remain as trash when used as fuel source
    - Turbofish now spoils into spoilage instead of protein powder
  Balancing:
    - Adjusted vault access key recipe to make it craftable early
    - Beta carotene recipe no longer produces stone as byproduct
    - Beta carotene now requires Harene gas instead of Energetic residue
    - Turbofish can now be bred in chemical plant
    - Reduced yummy value of protein shake
    - Rabbascan rock no longer contains copper ore
    - low-alert defender bots are now easier to kill
    - [APS only] Adjusted starting inventory. now contains a power pole to allow immediate electricity graph access
    - [APS only] Electric mining drill is now an essential technology
Version: 0.6.6
Date: 2025-11-21
  Bugfixes:
    - Removed broken tips and tricks simulations
Version: 0.6.5
Date: 2025-11-20
  Changes:
    - Added RU locale (thanks Efremiros)
  Bugfixes:
    - Fixed collision issue introduced with last bugfix
Version: 0.6.4
Date: 2025-11-20
  Bugfixes:
    - Fixed robots not getting damaged by bullets using collision checks
Version: 0.6.3
Date: 2025-11-18
  Bugfixes:
    - Fixed technology having wrong icon size could cause errors
Version: 0.6.2
Date: 2025-11-18
  Changes:
    - Improved various factoriopedia entries
    - Vault protection pylons now spawn more often and with energetic concrete below
Version: 0.6.1
Date: 2025-11-17
  Bugfixes:
    - Fixed machining assembler could have an assembling machine as next upgrade
Version: 0.6.0
Date: 2025-11-16
  Changes:
    - Split document forging into two techs, so that Access Key recipe does not require military tech
    - Added small UI indicator for current alertness level. Can be toggled in mod settings
  Bugfixes:
    - Fixed Beta Carotene titanium barrel (Pelagos) not having an energy value
  Balancing:
    - Adjusted enemy spawning curves to spread
    - Changed default alertness per vault to 4%
Version: 0.5.7
Date: 2025-11-16
  Bugfixes:
    - Fixed enemies sometimes spawning with the wrong force
  Balancing:
    - Vaults now have damage resistances
    - Small tweaks to vault spawner resistances
Version: 0.5.6
Date: 2025-11-16
  Changes:
    - All icons now have a size
Version: 0.5.5
Date: 2025-11-16
  Bugfixes:
    - Fixed crash when crafter icon size was non-default
Version: 0.5.4
Date: 2025-11-16
  Bugfixes:
    - Fixed planet discovery always requires planet discovery gleba, even when parent planet is not gleba
    - Fixed potential crash from custom rocket silos and labs
  Changes:
    - Slightly reduced robot energy usage
Version: 0.5.3
Date: 2025-11-16
  Bugfixes:
    - Fixed crash when a crafting machine has no subgroup
  Changes:
    - Separated assets into companion mod
Version: 0.5.2
Date: 2025-11-15
  Bugfixes:
    - Fixed crash when Any Planet Start mod is not installed
Version: 0.5.1
Date: 2025-11-15
  Bugfixes:
    - Rabbasca trains and wagons can now be picked up and have names