diff --git a/makefile b/makefile
index 621244a72d..47a8dd198d 100644
--- a/makefile
+++ b/makefile
@@ -196,11 +196,22 @@ release: wowsimwotlk wowsimwotlk-windows.exe
 sim/core/proto/api.pb.go: proto/*.proto
 	protoc -I=./proto --go_out=./sim/core ./proto/*.proto
 
-.PHONY: lib
-lib:
+# Only useful for building the lib on a host platform that matches the target platform
+.PHONY: locallib
+locallib:
 	protoc -I=./proto --go_out=./sim/core ./proto/*.proto
 	go build -buildmode=c-shared -o wowsimwotlk.so ./sim/lib/library.go
 
+.PHONY: nixlib
+nixlib:
+	protoc -I=./proto --go_out=./sim/core ./proto/*.proto
+	GOOS=linux GOARCH=amd64 GOAMD64=v2 go build -buildmode=c-shared -o wowsimwotlk-linux.so ./sim/lib/library.go
+
+.PHONY: winlib
+winlib:
+	protoc -I=./proto --go_out=./sim/core ./proto/*.proto
+	GOOS=windows GOARCH=amd64 GOAMD64=v2 CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc go build -buildmode=c-shared -o wowsimwotlk-windows.dll ./sim/lib/library.go
+
 .PHONY: items
 items: sim/core/items/all_items.go sim/core/proto/api.pb.go
 
diff --git a/proto/api.proto b/proto/api.proto
index f1795bb646..d159f97d1b 100644
--- a/proto/api.proto
+++ b/proto/api.proto
@@ -110,6 +110,7 @@ message SimOptions {
 	bool debug_first_iteration = 6;
 	bool is_test = 5; // Only used internally.
 	bool save_all_values = 7; // Only used internally.
+	bool interactive = 8; // Enables interactive mode.
 }
 
 // The aggregated results from all uses of a particular action.
diff --git a/sim/core/attack.go b/sim/core/attack.go
index f2b611d5f3..56f6bcd0fb 100644
--- a/sim/core/attack.go
+++ b/sim/core/attack.go
@@ -505,7 +505,9 @@ func (aa *AutoAttacks) TrySwingMH(sim *Simulation, target *Unit) {
 	aa.MainhandSwingAt = sim.CurrentTime + aa.MainhandSwingSpeed()
 	aa.previousMHSwingAt = sim.CurrentTime
 	aa.PreviousSwingAt = sim.CurrentTime
-	aa.agent.OnAutoAttack(sim, attackSpell)
+	if !sim.Options.Interactive {
+		aa.agent.OnAutoAttack(sim, attackSpell)
+	}
 }
 
 // Optionally replaces the given swing spell with an Agent-specified MH Swing replacer.
@@ -549,7 +551,9 @@ func (aa *AutoAttacks) TrySwingOH(sim *Simulation, target *Unit) {
 	aa.OHAuto.Cast(sim, target)
 	aa.OffhandSwingAt = sim.CurrentTime + aa.OffhandSwingSpeed()
 	aa.PreviousSwingAt = sim.CurrentTime
-	aa.agent.OnAutoAttack(sim, aa.OHAuto)
+	if !sim.Options.Interactive {
+		aa.agent.OnAutoAttack(sim, aa.OHAuto)
+	}
 }
 
 // Performs an autoattack using the ranged weapon, if the ranged CD is ready.
@@ -561,7 +565,9 @@ func (aa *AutoAttacks) TrySwingRanged(sim *Simulation, target *Unit) {
 	aa.RangedAuto.Cast(sim, target)
 	aa.RangedSwingAt = sim.CurrentTime + aa.RangedSwingSpeed()
 	aa.PreviousSwingAt = sim.CurrentTime
-	aa.agent.OnAutoAttack(sim, aa.RangedAuto)
+	if !sim.Options.Interactive {
+		aa.agent.OnAutoAttack(sim, aa.RangedAuto)
+	}
 }
 
 func (aa *AutoAttacks) UpdateSwingTime(sim *Simulation) {
diff --git a/sim/core/character.go b/sim/core/character.go
index fa456f66fe..2234184075 100644
--- a/sim/core/character.go
+++ b/sim/core/character.go
@@ -378,6 +378,14 @@ func (character *Character) initialize(agent Agent) {
 				return
 			}
 
+			if sim.Options.Interactive {
+				if character.GCD.IsReady(sim) {
+					sim.NeedsInput = true
+					character.doNothing = false
+				}
+				return
+			}
+
 			if character.Rotation != nil {
 				character.Rotation.DoNextAction(sim)
 				return
diff --git a/sim/core/energy.go b/sim/core/energy.go
index 3362d448e7..d89a007439 100644
--- a/sim/core/energy.go
+++ b/sim/core/energy.go
@@ -40,7 +40,7 @@ func (unit *Unit) EnableEnergyBar(maxEnergy float64, onEnergyGain OnEnergyGain)
 		unit:      unit,
 		maxEnergy: MaxFloat(100, maxEnergy),
 		onEnergyGain: func(sim *Simulation) {
-			if !unit.IsWaitingForEnergy() || unit.DoneWaitingForEnergy(sim) {
+			if !sim.Options.Interactive && (!unit.IsWaitingForEnergy() || unit.DoneWaitingForEnergy(sim)) {
 				onEnergyGain(sim)
 			}
 		},
diff --git a/sim/core/rage.go b/sim/core/rage.go
index 808931dcd0..18897d48f0 100644
--- a/sim/core/rage.go
+++ b/sim/core/rage.go
@@ -138,7 +138,9 @@ func (rb *rageBar) AddRage(sim *Simulation, amount float64, metrics *ResourceMet
 	}
 
 	rb.currentRage = newRage
-	rb.onRageGain(sim)
+	if !sim.Options.Interactive {
+		rb.onRageGain(sim)
+	}
 }
 
 func (rb *rageBar) SpendRage(sim *Simulation, amount float64, metrics *ResourceMetrics) {
diff --git a/sim/core/sim.go b/sim/core/sim.go
index 5e5a637287..4cd4773702 100644
--- a/sim/core/sim.go
+++ b/sim/core/sim.go
@@ -28,6 +28,7 @@ type Simulation struct {
 	pendingActions []*PendingAction
 	CurrentTime    time.Duration // duration that has elapsed in the sim since starting
 	Duration       time.Duration // Duration of current iteration
+	NeedsInput     bool          // Sim is in interactive mode and needs input
 
 	ProgressReport func(*proto.ProgressMetrics)
 
diff --git a/sim/lib/library.go b/sim/lib/library.go
index aa915a129d..d3af7dc7ac 100644
--- a/sim/lib/library.go
+++ b/sim/lib/library.go
@@ -70,6 +70,9 @@ func trySpell(act int) bool {
 	if spell.CanCast(_active_sim, target) {
 		casted = spell.Cast(_active_sim, target)
 	}
+	if casted {
+		_active_sim.NeedsInput = false
+	}
 	return casted
 }
 
@@ -221,6 +224,11 @@ func step() bool {
 	return _active_sim.Step(core.NeverExpires)
 }
 
+//export needsInput
+func needsInput() bool {
+	return _active_sim.NeedsInput
+}
+
 //export cleanup
 func cleanup() {
 	_active_sim.Cleanup()