diff --git a/gamemanager.s b/gamemanager.s
index fbfee23..3fb8dd6 100644
--- a/gamemanager.s
+++ b/gamemanager.s
@@ -66,9 +66,15 @@ gameplayLoopKbd:
 gameplayLoopAngle:
 	; Update aim angle if needed
 	lda angleDeltaRequested
-	beq gameplayLoopFire
+	beq gameplayLoopPower
 	jsr changeAngle
 
+gameplayLoopPower:
+	; Update power if needed
+	lda powerDeltaRequested
+	beq gameplayLoopFire
+	jsr changePower
+
 gameplayLoopFire:
 	lda fireRequested
 	beq gameplayLoopProjectiles
@@ -171,6 +177,23 @@ changeAngle:
 	rts
 
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; changePower
+;
+; Handles changing a player's power
+;
+changePower:
+	ldy currentPlayer
+	tax
+	jsr playerDeltaPower
+
+	ldy currentPlayer
+	jsr renderPlayerHeader
+
+	stz powerDeltaRequested
+	rts
+
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; fire
 ;
@@ -191,6 +214,8 @@ mapScrollRequested:
 	.word $FFFF
 angleDeltaRequested:
 	.word $0000
+powerDeltaRequested:
+	.word $0000
 fireRequested:
 	.word $0000
 turnRequested:
diff --git a/gscats.2mg b/gscats.2mg
index 42c85f5..75945a2 100644
Binary files a/gscats.2mg and b/gscats.2mg differ
diff --git a/input.s b/input.s
index 0d8b40c..61e8e47 100644
--- a/input.s
+++ b/input.s
@@ -28,6 +28,10 @@ kbdScan:
 	beq kbdScanA
 	cmp #('z' + $80)
 	beq kbdScanZ
+	cmp #('s' + $80)
+	beq kbdScanS
+	cmp #('x' + $80)
+	beq kbdScanX
 	cmp #(' ' + $80)
 	beq kbdScanSpace
 	cmp #(27 + $80)
@@ -76,6 +80,18 @@ kbdScanZ:
 	sta angleDeltaRequested
 	rts
 
+kbdScanS:
+	BITS16
+	lda #1
+	sta powerDeltaRequested
+	rts
+
+kbdScanX:
+	BITS16
+	lda #-1
+	sta powerDeltaRequested
+	rts
+
 kbdScanSpace:
 	BITS16
 	lda #1
diff --git a/player.s b/player.s
index dcc55ed..c7c6f80 100644
--- a/player.s
+++ b/player.s
@@ -100,6 +100,37 @@ playerDeltaAngleClampHigh:
 	bra playerDeltaAngleStore
 
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+; playerDeltaPower
+;
+; Y = Player index
+; X = Delta
+;
+playerDeltaPower:
+	SAVE_AXY
+	PLAYERPTR_Y
+
+	txa
+	clc
+	adc playerData+PD_POWER,y
+	beq playerDeltaPowerClampLow
+	cmp #15
+	bpl playerDeltaPowerClampHigh
+
+playerDeltaPowerStore:
+	sta playerData+PD_POWER,y
+	RESTORE_AXY
+	rts
+
+playerDeltaPowerClampLow:
+	lda #1
+	bra playerDeltaPowerStore
+
+playerDeltaPowerClampHigh:
+	lda #15
+	bra playerDeltaPowerStore
+
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; playerFire
 ;