diff --git a/vacuum_gambit.p8 b/vacuum_gambit.p8
index 7237691..668f520 100644
--- a/vacuum_gambit.p8
+++ b/vacuum_gambit.p8
@@ -1,5 +1,5 @@
 pico-8 cartridge // http://www.pico-8.com
-version 41
+version 42
 __lua__
 -- vacuum gambit
 -- by kistaro windrider
@@ -668,7 +668,7 @@ zap_e = bullet_base.new{
  
  damage = 1,
  dx = 0,  -- px/frame
- dy = -4,
+ dy = 4,
 
  hitship = const_fxn(true),
 
@@ -678,7 +678,7 @@ mknew(zap_e)
 
 zap_p = zap_e.new{
  sprite = 8,
- dy = 8,
+ dy = -8,
  y_off = 0,
  category = player_blt_cat,
 }
@@ -755,7 +755,7 @@ mknew(blast_gun)
 
 protron_e = bullet_base.new{
  --shape
- sprite - 24,
+ sprite = 24,
  width = 1, --in 8x8 blocks
  height = 1,
  hurt = { -- hurtbox - where this ship can be hit
@@ -768,7 +768,7 @@ protron_e = bullet_base.new{
  y_off = 4,
  
  damage = 1,
- dym = -0.5, -- gun sets dy;
+ dym = 0.5, -- gun sets dy;
              -- this is mult
  category = enemy_blt_cat,
 }
@@ -776,7 +776,7 @@ mknew(protron_e)
 
 protron_p = protron_e.new{
  sprite=23,
- dym = 1,
+ dym = -1,
  y_off = 0,
  category=player_blt_cat,
 }
@@ -833,13 +833,16 @@ vulcan_e = bullet_base.new{
  
  damage = 0.5,
  -- dx from gun
- dy = -2,
+ dy = 2,
+ category=enemy_blt_cat
 }
 mknew(vulcan_e)
 
 vulcan_p = vulcan_e.new{
  sprite=22,
  y_off = 4,
+ dy = -4,
+ category=player_blt_cat
 }
 mknew(vulcan_e)