Compatibility
Minecraft: Java Edition
1.21.1
Platforms
Fabric
Supported environments
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Changelog
v0.2.0
☢️ Breaking Changes
- Renamed
avp:ovamorph
toavp:ovomorph
. - Parasites no longer implant a parasite type into hosts, now implant correct embryo type.
- Previously, parasites would store their own entity type to a host. At the time of birth, the embryo type was then computed. This has been changed such that the embryo type is computed immediately and then stored.
- This means that any currently-infected hosts in your game will not burst and will need to be infected again.
✨ What's New
- Aliens now remember what host type they came from.
- Added new running animations to all xenomorphs.
- Nether aliens now set hurt targets on fire.
- Added two new advancements:
- "Eviction" - Infected? Eat a chorus fruit to remove the embryo, saving yourself... and dooming the world.
- "Hive Buster" - Defeat an alien hive.
- Revamped chestbursting:
- Heartbeats can now be heard by players minutes before they get chestbursted.
- The heartbeats get progressively faster the closer the player is to chestbursting.
- 8 seconds before death, the host (not just players) will emit bone crunching sfx and take (0.001 aka fake) damage.
- The player will also have confusion (nausea) 30 seconds before death.
- Upon death, a chestburster screech will play as the new killing machine enters the world.
- Revamped genetics system:
- Gene bonuses are now datapacked.
- All hosts now provide gene bonuses.
- Gene bonuses now have a more noticeable impact to xenomorphs.
- Repeated injections will cause xenomorphs to turn aberrant.
- Further repeated injections will cause aberrant xenomorphs to turn into boilers.
- Poison jelly no longer turns royal ovomorphs into royal aberrant ovomorphs.
- Added a new "gene reader" item:
- Right-click (nearly) any mob to read their genes.
- Cycle through different modes to see different types of genes that a mob has.
- Bonus genes are genes a mob gives that never change. Syringes extract only bonus genes.
- Dormant genes are genes a mob has, but do not change the mob's stats/behavior.
- Active genes are genes a mob has and DO change the mob's stats/behavior.
- When the mob reproduces (animals mating or chestburster bursting), dormant genes become active genes.
- Added a new "syringe" item:
- Right-click (nearly) any mob to get their genes.
- Right-click any entity to add the genes to them.
- Added genes are "dormant" (do not apply immediately).
- Dormant genes only manifest on chestbursters born from hosts.
- Every injection makes the entity's and their offspring's genes "unstable". The more unstable the genes, the more negative effects each successive generation will have.
- Genes within the syringe can't be immediately seen. Use a gene reader to check the mob you're using a syringe on beforehand!
- Ovomorphs now have hatching AI
- Ovomorphs now have a "desire" meter for hatching.
- Changes in the environment (such as light) will increase the desire meter.
- Movement of nearby hosts will also increase the desire meter.
- Added the queen's ovipositor/eggsack:
- Queens will create an ovipositor when they are in a hive and are "safe" (they aren't the only hive member).
- The queen will play a new animation when she is mounted on her ovipositor.
- Ovipositors are an entity and extend off of the queen. Other mobs will not attack the ovipositor.
- The queen requires a considerable amount of space as well as stable ground to create her ovipositor.
- Eggs no longer drop at the queen's feet, but instead at the end of the ovipositor.
- Egglaying has otherwise remained unchanged.
- Drones (and the newly added runners) now distribute ovomorphs around the hive.
- Drones/runners like to place eggs with at least a 1-block gap between the eggs.
- Drones/runners will pick up eggs that are unrooted.
- When the drones/runners place the egg down at the new location, they will automatically root the egg in place.
- Added new entities:
- Aberrant Adolescent
- Aberrant Boiler
- Aberrant Crusher
- Aberrant Prowler
- Aberrant Runner
- Aberrant Spitter
- Adolescent
- Boiler
- Crusher
- Irradiated Crusher
- Irradiated Prowler
- Irradiated Runner
- Nether Adolescent
- Nether Boiler
- Nether Crusher
- Nether Prowler
- Nether Runner
- Nether Spitter
- Ovipositor
- Prowler
- Royal Aberrant Adolescent
- Royal Adolescent
- Royal Nether Adolescent
- Runner
- Spitter
♻️ Changes
- Predators no longer spawn naturally in jungles.
- All aliens can now detect vibrations (instead of just xenomorphs).
- Chestbursters can no longer be trapped in boats and minecarts.
- Facehuggers can no longer be trapped in boats and minecarts.
- Improved razor wire death message.
- Poison jelly no longer turns royal ovomorphs into royal aberrant ovomorphs.
- Same-strain, different-hive xenos now no longer kill each other.
- Hive centers now constantly move with the hive leader.
- Updated the chestbursting death message to have a proper, better-fitting message.
- Irradiated acid now only converts blocks to ice when the blocks are destroyed.
- Nether acid now sets air blocks above them on fire.
- Resin web now stops player vertical movement if player eye height is in resin web.
- Increased flamethrower DPS by a factor of 100 (0.02dps to 20dps).
- Reduced predator hitbox width (0.98 to 0.7).
- Reworked how royal jelly item and royal jelly blocks are used:
- Hatched ovomorphs can no longer be revived with royal jelly.
- Infertile facehuggers can no longer be revived with royal jelly.
- Aliens that have been given royal jelly or royal jelly blocks will no longer despawn.
- Praetorians can now be given regular royal jelly.
- All xenomorphs can now be given royal jelly blocks.
- Queens can no longer be given royal jelly or royal jelly blocks.
- Royal jelly blocks now add 9 royal jelly to aliens instead of setting their royal jelly to 10.
- Aliens no longer have their royal jelly count reset when growing up, but merely the royal jelly growth cost subtracted.
- Poison jelly is no longer usable on aliens that can't grow any further.
- Royal jelly items and royal jelly blocks can no longer be used on poisoned aliens.
- Alien collision interactions have been changed:
- Ovomorphs no longer collide with non-ovomorph aliens.
- Facehuggers no longer collide with other aliens (including other facehuggers).
- Xenomorphs no longer collide with smaller aliens (facehuggers, chestbursters and adolescents).
- Queens no longer push other entities when she is on her ovipositor.
- Improved facehugging effects:
- Effects now last 2 seconds longer (4 seconds total).
- Weakness is now applied to the host sooner (as soon as smothering damage finishes).
- Movement slowdown 100 is now applied after smothering damage finishes.
- Ovomorphs no longer spawn naturally.
- Ovipositor is complete, natural ovomorph spawning is no longer necessary.
- Hives will now merge with each other given certain conditions in the following order (most -> least important):
- Hives with a weaker leader will merge into hives with a stronger leader.
- Hives with a lower member count will merge into hives with a larger member count.
- Younger hives will merge into older hives.
- Moved the following config options to datapack:
CHESTBURSTER_MAX_GROWTH_TIMER_SECONDS
DRONE_MAX_GROWTH_TIMER_SECONDS
PRAETORIAN_MAX_GROWTH_TIMER_SECONDS
PRAETORIAN_SHORTCUT_TIMER_SECONDS
WARRIOR_MAX_GROWTH_TIMER_SECONDS
- Removed the following config options:
ABERRANT_OVOMORPH_SPAWN
NETHER_OVOMORPH_SPAWN
OVOMORPH_SPAWN
🐞 Fixes
- Fixed queens not transferring their genes to laid eggs.
- Fixed potion effects carried over from host to embryo not being permanent.
- Fixed entities being able to ride aliens (disabling their AI in the process).
- Fixed embryos born from a host eating chorus fruit not persisting.
- Fixed inconsistent potion effect behavior with embryos born from hosts eating chorus fruit.
- Fixed aberrant chitin armors not counting towards chitin armor advancements.
- Fixed aliens spreading resin while underwater.
- Fixed alien attack animations not playing properly.
- Fixed aliens having jittery animations when servers are lagging behind.
- Fixed facehuggers not providing host air underwater.
- Fixed marines having broken ground navigation.
- Fixed marines not moving their heads to match where they are looking.
- Fixed facehuggers not fully incapacitating marine hosts due to marines using a different AI system.
- Fixed alien hitboxes being off while swimming.
- Fixed praetorian count balancing including eggs, facehuggers, chestbursters and adolescents in formula.
- Fixed aliens that do not grow up being able to consume an infinite amount of royal jelly.
- Fixed facehuggers not persisting after hatching from ovomorphs.
- Fixed block damage from guns, acid and aliens not resetting when the damaged block is broken or replaced.
- Fixed xenomorphs trying to attack infected hosts that hurt them.
- Fixed hive boss bar showing after players change dimensions.
- Fixed irradiated acid destroying the following blocks:
- Chitin blocks
- Industrial Glass blocks
- Plastic blocks
- Non-Irradiated Resin blocks
- Air
- Fire
- Soul Fire
🛠 Data Pack
- Added
#avp:runner_hosts
entity tag. - Added
#avp:runners
entity tag. - Added
#avp:prowlers
entity tag. - Added
#avp:crushers
entity tag. - Added
#avp:adolescents
entity tag. - Added
#avp:spitters
entity tag. - Added
#avp:answers_xenomorph_cries_for_help
entity tag. - Updated
#avp:hosts
to be composed of#avp:runner_hosts
entity tag. - Updated
#avp:xenomorphs
tag to include new runner alien line entity tags and spitter entity tag. - Updated hive layer entity tags to include new runner alien line entity tags and spitter entity tag.
- Updated variant entity tags to include new runner aliens, spitter alien and adolescent aliens.
🔬 Technical Changes
- Upgraded alien lifecycles to support host entity tags.
- Added full datapack support for alien growth stages.
- Alien lifecycle host entity tags have been migrated to individual alien growth stages.
- Upgraded alien infections to support host entity tags.
- Added full datapack support for alien infections.
- Removed redundant royal data from aliens.
- Added full datapack support for gene bonuses.
- Alien gene manager now managed through a mixin (same as host gene managers).
- Added
#avp:does_not_hurt_aliens
damage type tag.
Dependencies
Files
Metadata
Release channel
ReleaseVersion number
0.2.0Loaders
Game versions
1.21.1Downloads
105Publication date
July 26, 2025 at 3:02 AMPublisher

bvanseg
Member