diff --git a/src/game/main.cairo b/src/game/main.cairo
index c260a5a..26c6f28 100644
--- a/src/game/main.cairo
+++ b/src/game/main.cairo
@@ -695,7 +695,8 @@ mod NoGame {
                 spacetime: self.techs_level.read((planet_id, Names::SPACETIME)),
                 combustion: self.techs_level.read((planet_id, Names::COMBUSTION)),
                 thrust: self.techs_level.read((planet_id, Names::THRUST)),
-                warp: self.techs_level.read((planet_id, Names::WARP))
+                warp: self.techs_level.read((planet_id, Names::WARP)),
+                exocraft: self.techs_level.read((planet_id, Names::EXOCRAFT)),
             }
         }
 
@@ -1694,6 +1695,22 @@ mod NoGame {
                         );
                     return cost;
                 },
+                UpgradeType::Exocraft => {
+                    let lab_level = self.compounds_level.read((planet_id, Names::LAB));
+                    let techs = self.get_tech_levels(planet_id);
+                    Lab::exocraft_requirements_check(lab_level, techs);
+                    let base_cost: ERC20s = Lab::base_tech_costs().exocraft;
+                    let cost = Lab::get_tech_cost(techs.exocraft, quantity, base_cost);
+                    self.check_enough_resources(caller, cost);
+                    self.pay_resources_erc20(caller, cost);
+                    self
+                        .techs_level
+                        .write(
+                            (planet_id, Names::EXOCRAFT),
+                            techs.exocraft + quantity.try_into().expect('u32 into u8 failed')
+                        );
+                    return cost;
+                },
             }
         }
 
diff --git a/src/libraries/research.cairo b/src/libraries/research.cairo
index b513409..0f5520d 100644
--- a/src/libraries/research.cairo
+++ b/src/libraries/research.cairo
@@ -104,6 +104,12 @@ impl Lab of LabTrait {
         assert(techs.spacetime >= 3, 'Spacetime Warp 3 required');
     }
 
+    #[inline(always)]
+    fn exocraft_requirements_check(lab_level: u8, techs: TechLevels) {
+        assert(lab_level >= 3, 'Lab 3 required');
+        assert(techs.thrust >= 3, 'Thrust prop 3 required')
+    }
+
     #[inline(always)]
     fn base_tech_costs() -> TechsCost {
         TechsCost {
@@ -119,6 +125,7 @@ impl Lab of LabTrait {
             combustion: ERC20s { steel: 400, quartz: 0, tritium: 600 },
             thrust: ERC20s { steel: 2000, quartz: 4000, tritium: 600 },
             warp: ERC20s { steel: 10000, quartz: 20000, tritium: 6000 },
+            exocraft: ERC20s { steel: 4000, quartz: 8000, tritium: 4000 },
         }
     }
 }
diff --git a/src/libraries/types.cairo b/src/libraries/types.cairo
index fd48288..d63ae77 100644
--- a/src/libraries/types.cairo
+++ b/src/libraries/types.cairo
@@ -149,6 +149,7 @@ struct TechLevels {
     combustion: u8,
     thrust: u8,
     warp: u8,
+    exocraft: u8,
 }
 
 impl TechLevelsPrint of PrintTrait<TechLevels> {
@@ -182,6 +183,7 @@ struct TechsCost {
     combustion: ERC20s,
     thrust: ERC20s,
     warp: ERC20s,
+    exocraft: ERC20s,
 }
 
 #[derive(Copy, Drop, Serde)]
@@ -475,7 +477,8 @@ enum UpgradeType {
     Spacetime,
     Combustion,
     Thrust,
-    Warp
+    Warp,
+    Exocraft,
 }
 
 
@@ -526,6 +529,7 @@ mod Names {
     const BEAM: felt252 = 26;
     const ASTRAL: felt252 = 27;
     const PLASMA: felt252 = 28;
+    const EXOCRAFT: felt252 = 29;
 }