Line Defense

Line Defense v1.0.20 — Mutations Update

thesecondbaron

The battlefield has evolved.

Version 1.0.20 introduces the new Mutation system, expanded status effects, major boss overhauls, Freeplay improvements, gameplay balancing, and 7 new Steam achievements. Harder difficulties are now significantly more dangerous as enemies gain access to powerful mutated variants with enhanced abilities and shadow-form visuals.

New Features

Enemy Mutations

  • Enemies can now mutate into stronger variants on Hard difficulty and above
  • Mutated enemies now appear in shadow form
  • Increased mutation spawn chance
  • Bosses can now mutate during regular rounds on harder difficulties
  • Boss mutations are now restricted from appearing in invalid situations or early Freeplay rounds

Expanded Status Effect System

  • Added Shocked status effect
  • Added Crippled status effect
  • Poison status effects expanded for both enemies and players
  • Players can now be inflicted with Fire
  • Multiple status effects can now stack simultaneously
  • Status icons now display with level numerals
  • Fire can now spread between nearby enemies
  • Melt effects expanded to additional attacks and abilities

Boss & Enemy Overhauls

Sphere Boss

  • Now fires energy waves
  • Energy wave attacks now inflict Shocked
  • Added charge animation before attacks
  • Added new sound effect when struck by energy waves
  • Now fires spikes in a 360-degree range
  • Now chases players more aggressively
  • Visual bobbing and size consistency improved

Noe

  • Noe now hovers
  • Added rocket attack
  • Noe now bounces off walls
  • Added visual indicators for rocket attacks
  • Updated and overhauled spritework
  • Fixed mutation graphical glitches

Additional Enemy Changes

  • Various enemies now bob up and down
  • Tank and Boss Tank projectiles no longer lose speed
  • Tank enemies now fire tank shells
  • Tank hurtboxes now more accurately match sprites
  • Smaller enemies become immobilized while Shocked

Gameplay Changes & Balance

Character & Combat Changes

  • Characters now decelerate naturally instead of stopping instantly
  • Ron’s lightning attacks now inflict Shocked
  • Parried energy waves now inflict Shocked on enemies
  • Archy’s arrows inflict stronger Fire debuffs with perk levels
  • Molotov sweetspots now inflict stronger Fire effects
  • Poison damage now scales with damage perks
  • Dead players can now dash
  • Dead players can now parry using Essence
  • Dead player visuals and optimization improved

Balance Adjustments

  • Reduced Sparrow’s Flintlock damage
  • Reduced Sward’s main attack damage
  • Reduced Tank bullet damage
  • Reduced Mechnoe laser damage
  • Reduced Doc’s healing effectiveness in several abilities
  • HP Generator Boost no longer grants tower invulnerability

Freeplay Improvements

  • Enemy HP now scales deeper into Freeplay
  • Enemy speed now scales deeper into Freeplay
  • Freeplay money multiplier increased
  • Certain bosses now appear later into Freeplay progression

Steam Achievements

Added 7 new Steam achievements:

  • Ouch! That's Gotta Hurt!
  • Look How They Massacred My Boy!
  • Not Feeling So Well
  • Freeplay Fiend
  • Learning To Parry
  • Traffic Redirected!
  • Parry Master

UI, Visuals & Polish

  • Updated difficulty descriptions
  • Updated unlock condition wording on character select
  • Added status effect sprites
  • Improved bobbing and hovering animations
  • Fixed several graphical glitches and visual inconsistencies
  • Fixed damage/heal numbers appearing when disabled
  • Fixed shop preview glitches
  • Fixed crashes caused by invalid sprite drawing

Fixes

  • Fixed bosses spawning before being defeated
  • Fixed invalid boss spawning during Freeplay
  • Fixed achievement triggering issues in Sandbox Mode
  • Fixed multiple mutation and animation related bugs
  • Removed hidden debug instant-kill switch
  • General optimization and polish across the game

This announcement was originally published by thesecondbaron on Steam on May 9, 2026.

Open the original on Steam
Line Defense

$3.99arena-shooter · bullet-hell

View game

More from Line Defense

Announcements come from each game's Steam news feed. ©2026 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. slopranks is not affiliated with or endorsed by Valve. Steam News