diff --git a/src/simulator/Cargo.lock b/src/simulator/Cargo.lock
index 5d495a1d..025259ae 100644
--- a/src/simulator/Cargo.lock
+++ b/src/simulator/Cargo.lock
@@ -1615,6 +1615,7 @@ dependencies = [
  "mc-turn",
  "mc-units",
  "mc-vision",
+ "mc-worldsim",
  "rand 0.8.6",
  "serde",
  "serde_json",
@@ -2070,6 +2071,23 @@ dependencies = [
  "serde_json",
 ]
 
+[[package]]
+name = "mc-worldsim"
+version = "0.1.0"
+dependencies = [
+ "mc-climate",
+ "mc-compute",
+ "mc-core",
+ "mc-ecology",
+ "mc-flora",
+ "mc-mapgen",
+ "mc-observation",
+ "mc-state",
+ "mc-turn",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "memchr"
 version = "2.8.0"
diff --git a/src/simulator/Cargo.toml b/src/simulator/Cargo.toml
index 49b368d3..53b4478c 100644
--- a/src/simulator/Cargo.toml
+++ b/src/simulator/Cargo.toml
@@ -23,6 +23,7 @@ members = [
     "crates/mc-flora",
     "crates/mc-ecology",
     "crates/mc-sim",
+    "crates/mc-worldsim",
     "crates/mc-mcts-service",
     "crates/mc-observation",
     "crates/mc-replay",
diff --git a/src/simulator/api-gdext/Cargo.toml b/src/simulator/api-gdext/Cargo.toml
index 2a9d58de..0ceb93fe 100644
--- a/src/simulator/api-gdext/Cargo.toml
+++ b/src/simulator/api-gdext/Cargo.toml
@@ -35,6 +35,7 @@ mc-ai           = { path = "../crates/mc-ai", features = ["gpu"] }
 mc-compute      = { path = "../crates/mc-compute", features = ["gpu", "parallel"] }
 mc-mcts-service = { path = "../crates/mc-mcts-service" }
 mc-vision       = { path = "../crates/mc-vision" }
+mc-worldsim     = { path = "../crates/mc-worldsim" }
 godot           = "0.2"
 rand.workspace       = true
 serde.workspace      = true
diff --git a/src/simulator/crates/mc-worldsim/Cargo.toml b/src/simulator/crates/mc-worldsim/Cargo.toml
new file mode 100644
index 00000000..e855f4a8
--- /dev/null
+++ b/src/simulator/crates/mc-worldsim/Cargo.toml
@@ -0,0 +1,24 @@
+[package]
+name = "mc-worldsim"
+version = "0.1.0"
+edition = "2021"
+
+[features]
+default = []
+gpu = ["dep:mc-compute", "mc-compute/gpu", "mc-ecology/gpu"]
+
+[dependencies]
+mc-core         = { path = "../mc-core" }
+mc-climate      = { path = "../mc-climate" }
+mc-ecology      = { path = "../mc-ecology" }
+mc-flora        = { path = "../mc-flora" }
+mc-mapgen       = { path = "../mc-mapgen" }
+mc-observation  = { path = "../mc-observation" }
+mc-compute      = { path = "../mc-compute", optional = true, features = ["gpu"] }
+mc-state        = { path = "../mc-state" }
+mc-turn         = { path = "../mc-turn" }
+serde.workspace      = true
+serde_json.workspace = true
+
+[lints]
+workspace = true