diff --git a/bzgas2/changelog.txt b/bzgas2/changelog.txt
index 42c0650..b303e3c 100644
--- a/bzgas2/changelog.txt
+++ b/bzgas2/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.0.3
+Date: 05.11.2025
+  Bug Fixes:
+    - Fix early game progression
+---------------------------------------------------------------------------------------------------
 Version: 2.0.2
 Date: 22.10.2025
   Bug Fixes:
diff --git a/bzgas2/compatibility/electronic-circuit.lua b/bzgas2/compatibility/electronic-circuit.lua
index 65995f0..e1f9aef 100644
--- a/bzgas2/compatibility/electronic-circuit.lua
+++ b/bzgas2/compatibility/electronic-circuit.lua
@@ -18,7 +18,7 @@ util.add_ingredient("electronic-circuit", "bakelite", amt)
 util.set_icons("electronic-circuit", nil)
 
 
-if util.me.handcraft() then
+if util.me.handcraft() and not mods["aai-industry"] then
   data:extend({{ type = "recipe-category", name = "handcraft-only" }})
   for i, character in pairs(data.raw.character) do
     if character and character.crafting_categories then
@@ -27,6 +27,7 @@ if util.me.handcraft() then
   end
   local hcec = futil.table.deepcopy(data.raw.recipe["electronic-circuit"])
   hcec.name = "electronic-circuit-handcraft-only"
+  hcec.localised_name = { "item-name.electronic-circuit" }
   data:extend({hcec})
   util.set_icons("electronic-circuit-handcraft-only", 
   {
diff --git a/bzgas2/data-final-fixes.lua b/bzgas2/data-final-fixes.lua
index 70ec7e8..e39b171 100644
--- a/bzgas2/data-final-fixes.lua
+++ b/bzgas2/data-final-fixes.lua
@@ -2,19 +2,23 @@ require("stacking")
 require("modules")
 require("compatibility/ir2")
 
-local util = require("__bzgas2__/data-util")
+local util = require("data-util");
 
 -- core mining balancing
 util.set_product_amount("se-core-fragment-omni", "gas", 24)
 
 -- Fix basic chemical plant fuels for K2
 if mods.Krastorio2 and
-data.raw["assembling-machine"]["basic-chemical-plant"] and
-data.raw["assembling-machine"]["basic-chemical-plant"].energy_source and
-data.raw["assembling-machine"]["basic-chemical-plant"].energy_source.fuel_categories then
+  data.raw["assembling-machine"]["basic-chemical-plant"] and
+  data.raw["assembling-machine"]["basic-chemical-plant"].energy_source and
+  data.raw["assembling-machine"]["basic-chemical-plant"].energy_source.fuel_categories then
   table.insert(data.raw["assembling-machine"]["basic-chemical-plant"].energy_source.fuel_categories , "kr-vehicle-fuel")
 end
 
+if mods["aai-industry"] and not mods["Krastorio2"] then
+  util.remove_prerequisite("basic-chemistry", "basic-fluid-handling")
+end
+
 -- Vanilla burner phase tweaks -- green circuits after electronics
 -- Electronic circuit recipe set below in compatibility script
 if not mods.Krastorio2 and not mods["aai-industry"] and not mods.bzaluminum2 and not mods["bzcarbon2"] then
@@ -30,22 +34,31 @@ if not mods.Krastorio2 and not mods["aai-industry"] and not mods.bzaluminum2 and
   util.add_ingredient("repair-pack", "copper-cable", 6)
   util.set_ingredient("repair-pack", "iron-gear-wheel", 3)
 
-  -- New for 2.0 (Evilpla)
-  util.remove_prerequisite("automation", "automation-science-pack")
-  util.set_tech_trigger("automation", { type = "mine-entity", entity = "coal" })
-  util.set_tech_trigger("gas-extraction", { type = "craft-item", item = "copper-plate" })
-  util.set_tech_trigger("basic-chemistry", { type = "mine-entity", entity = "gas" })
-  util.set_tech_trigger("bakelite", { type = "craft-fluid", fluid = "formaldehyde" })
-  util.set_tech_trigger("electronics", { type = "craft-item", item = "bakelite" })
   util.add_effect("electronics", { type = "unlock-recipe", recipe = "long-handed-inserter" })
+  util.remove_recipe_effect("electronics", "copper-cable")
+  util.remove_recipe_effect("electronics", "lab")
+  util.remove_recipe_effect("electronics", "small-electric-pole")
   util.remove_recipe_effect("automation", "long-handed-inserter")
+  util.set_enabled("electronic-circuit", false)
+  util.set_enabled("inserter", false)
+  util.set_enabled("copper-cable", true)
+  util.set_enabled("lab", true)
+  util.set_enabled("small-electric-pole", true)
+  util.remove_prerequisite("automation-science-pack", "electronics")
+  local electronics = data.raw.technology["electronics"]
+  electronics.research_trigger = nil
+  electronics.unit = {
+    count = 10,
+    time = 10,
+    ingredients = {{ "automation-science-pack", 1 }}
+  }
+  util.remove_prerequisite("fast-inserter", "automation-science-pack")
+  util.remove_prerequisite("lamp", "automation-science-pack")
+  util.remove_prerequisite("logistic-science-pack", "automation-science-pack")
+  util.add_prerequisite("fast-inserter", "electronics")
+  util.add_prerequisite("lamp", "electronics")
+  util.add_prerequisite("logistic-science-pack", "electronics")
 
-  -- TODO: cleanup
-  -- util.add_unlock_force("electronics", "electronic-circuit")
-  -- util.add_effect("electronics", { type = "unlock-recipe", recipe = "inserter" })
-  -- util.set_enabled("electronic-circuit", false)
-  -- util.set_enabled("inserter", false)
-  -- util.add_prerequisite("logistic-science-pack", "electronics")
 end
 if not mods.bzaluminum2 and not mods["bzcarbon2"] then
   util.replace_ingredients_prior_to("electronics", "electronic-circuit", "copper-cable", 2)
diff --git a/bzgas2/data-util.lua b/bzgas2/data-util.lua
index 5dbd855..ff75c36 100644
--- a/bzgas2/data-util.lua
+++ b/bzgas2/data-util.lua
@@ -1267,13 +1267,4 @@ function util.set_vtk_dcm_ingredients()
   end
 end
 
--- Set technology trigger
-function util.set_tech_trigger(technology_name, trigger)
-  local technology = data.raw.technology[technology_name]
-  if technology then
-    technology.unit = nil
-    technology.research_trigger = trigger
-  end
-end
-
 return util
diff --git a/bzgas2/data.lua b/bzgas2/data.lua
index 6c2e79d..26625fe 100644
--- a/bzgas2/data.lua
+++ b/bzgas2/data.lua
@@ -1,7 +1,7 @@
 require("prototypes/gas")
 require("prototypes/gas-extractor")
-require("prototypes/formaldehyde")
 require("prototypes/phenol")
+require("prototypes/formaldehyde")
 require("prototypes/bakelite")
 require("prototypes/basic-chemical-plant")
 require("prototypes/k2-recipe")
diff --git a/bzgas2/info.json b/bzgas2/info.json
index ebae08f..bdcec07 100644
--- a/bzgas2/info.json
+++ b/bzgas2/info.json
@@ -1,6 +1,6 @@
 {
   "name": "bzgas2",
-  "version": "2.0.2",
+  "version": "2.0.3",
   "factorio_version": "2.0",
   "title": "Natural Gas",
   "description": "Adds a natural gas resource, along with early game plastic.",
diff --git a/bzgas2/matter.lua b/bzgas2/matter.lua
index 2b5e943..acf60cf 100644
--- a/bzgas2/matter.lua
+++ b/bzgas2/matter.lua
@@ -17,10 +17,9 @@ data:extend(
       {
         icon = "__bzgas2__/graphics/icons/gas.png",
         icon_size = 128,
-        scale = 0.7,
+        scale = 1.4,
       }
     },
-    effects ={},
     prerequisites = {"kr-matter-processing"},
     unit =
   	{
@@ -41,8 +40,8 @@ local gas_ore_matter =
 	  material = { type = "fluid", name = "gas", amount = 100 },
 	  matter_count = 5,
     energy_required = 1,
-    needs_stabilizer = false,
-    unlocked_by = "gas-matter-processing"
+    need_stabilizer = false,
+    unlocked_by_technology = "gas-matter-processing"
 	}
 matter.make_recipes(gas_ore_matter)
 end
diff --git a/bzgas2/prototypes/bakelite.lua b/bzgas2/prototypes/bakelite.lua
index 1b15bd2..e4815d1 100644
--- a/bzgas2/prototypes/bakelite.lua
+++ b/bzgas2/prototypes/bakelite.lua
@@ -1,5 +1,14 @@
 local util = require("data-util");
 
+local prereq = {"basic-chemistry"}
+if mods["Krastorio2"] then
+  table.insert(prereq, "steel-processing")
+elseif mods["bzfoundry2"] then
+  table.insert(prereq, "foundry")
+elseif mods["aai-industry"] then
+  table.insert(prereq, "automation")
+end
+
 data:extend({
   {
     type = "item",
@@ -15,7 +24,6 @@ data:extend({
     name = "bakelite",
     category = "chemistry",
     main_product = "bakelite",
-    allow_productivity = true,
     enabled = false,
     ingredients = {
       {type = "item", name = util.me.use_phenol() and "phenol" or "coal", amount = 1},
@@ -31,7 +39,7 @@ data:extend({
     name = "bakelite",
     icon = "__bzgas2__/graphics/technology/bakelite.png",
     icon_size = 256,
-    prerequisites = {"basic-chemistry"},
+    prerequisites = prereq,
     effects = {
       {type = "unlock-recipe", recipe = "bakelite"},
     },
diff --git a/bzgas2/prototypes/formaldehyde.lua b/bzgas2/prototypes/formaldehyde.lua
index 3880d8b..66724e3 100644
--- a/bzgas2/prototypes/formaldehyde.lua
+++ b/bzgas2/prototypes/formaldehyde.lua
@@ -1,4 +1,4 @@
-local util = require("data-util")
+local util = require("data-util");
 
 -- data:extend({
 --   {
@@ -7,11 +7,15 @@ local util = require("data-util")
 --   }
 -- })
 
+local prereq = {"gas-extraction"}
+if mods["Krastorio2"] then
+  table.insert(prereq, "automation-science-pack")
+end
+
 data:extend({
   {
     type = "fluid",
     name = "formaldehyde",
-    subgroup = "fluid",
     default_temperature = 25,
     heat_capacity = "0.1kJ",
     fuel_value = "0.5kJ",
@@ -41,7 +45,7 @@ data:extend({
     name = "basic-chemistry",
     icon = "__bzgas2__/graphics/technology/formaldehyde.png",
     icon_size = 256,
-    prerequisites = {"gas-extraction"},
+    prerequisites = prereq,
     effects = {
       {type = "unlock-recipe", recipe = "basic-chemical-plant"},
       {type = "unlock-recipe", recipe = "formaldehyde"},
diff --git a/bzgas2/prototypes/gas-extractor.lua b/bzgas2/prototypes/gas-extractor.lua
index d749ae7..e7f3508 100644
--- a/bzgas2/prototypes/gas-extractor.lua
+++ b/bzgas2/prototypes/gas-extractor.lua
@@ -1,4 +1,4 @@
-local util = require("data-util")
+local util = require("data-util");
 local futil = require("util")
 
 local ge_ingredients = {
@@ -13,7 +13,10 @@ if mods.Krastorio2 then
   ge_prereq = {"kr-stone-processing"}
 elseif mods["aai-industry"] then
   table.insert(ge_ingredients, {type="item", name="sand", amount=10})
-  ge_prereq = {"sand-processing"}
+  ge_prereq = {"sand-processing", "basic-fluid-handling"}
+elseif data.raw.item["silica"] and data.raw.technology["silica-processing"] then
+  table.insert(ge_ingredients, {type="item", name="silica", amount=20})
+  ge_prereq = {"silica-processing"}
 end
 
 drilling_rig_circuit_connector_definitions = circuit_connector_definitions.create_vector
@@ -43,7 +46,7 @@ data:extend({
     type = "recipe",
     name = "gas-extractor",
     results = {{ type = "item", name = "gas-extractor", amount = 1}},
-    enabled = false,
+    enabled = false, -- TODO change
     ingredients = ge_ingredients,
   },
   {
@@ -84,12 +87,11 @@ data:extend({
     },
     output_fluid_box =
     {
-      volume = 100,
+      volume = 1000,
       pipe_covers = pipecoverspictures(),
       pipe_connections =
       {
         {
-          flow_direction = "output",
           direction = defines.direction.north,
           positions = { {0, -1}, {1, 0}, {0, 1}, {-1, 0} }
         }
diff --git a/bzgas2/prototypes/gas.lua b/bzgas2/prototypes/gas.lua
index c394409..3a9325c 100644
--- a/bzgas2/prototypes/gas.lua
+++ b/bzgas2/prototypes/gas.lua
@@ -1,6 +1,6 @@
-local resource_autoplace = require('resource-autoplace')
+local resource_autoplace = require('resource-autoplace');
 
-local util = require("data-util")
+local util = require("data-util");
 local futil = require("util")
 
 data.raw.planet.nauvis.map_gen_settings.autoplace_controls["gas"] = {}
@@ -104,7 +104,6 @@ data:extend({
   {
     type = "fluid",
     name = "gas",
-    subgroup = "fluid",
     default_temperature = 25,
     heat_capacity = "0.1kJ",
     fuel_value = "1000kJ",
diff --git a/bzgas2/prototypes/phenol.lua b/bzgas2/prototypes/phenol.lua
index ad83ed6..538bada 100644
--- a/bzgas2/prototypes/phenol.lua
+++ b/bzgas2/prototypes/phenol.lua
@@ -1,4 +1,4 @@
-local util = require("data-util")
+local util = require("data-util");
 
 if util.me.use_phenol() then
 
@@ -66,8 +66,13 @@ if data.raw.item[mods["Krastorio2"] and "kr-coke" or "coke"] then
       }
     })
   end
-
-  util.add_effect("basic-chemistry", {type="unlock-recipe", recipe="phenol"})
+  if mods.Krastorio2 then
+    util.add_effect("steel-processing", {type="unlock-recipe", recipe="phenol"})
+  elseif data.raw.item["foundry"] then
+    util.add_effect("foundry", {type="unlock-recipe", recipe="phenol"})
+  else
+    util.add_effect("basic-chemistry", {type="unlock-recipe", recipe="phenol"})
+  end
 
   if mods.Krastorio2 then
     light_oil_icon = { icon = "__Krastorio2Assets__/icons/fluids/light-oil.png", icon_size = 64, icon_mipmaps = 4, scale=0.25, shift={-8,-8}}