diff --git a/picogora.p8 b/picogora.p8
new file mode 100644
index 0000000..86042d7
--- /dev/null
+++ b/picogora.p8
@@ -0,0 +1,198 @@
+pico-8 cartridge // http://www.pico-8.com
+version 32
+__lua__
+-- game code
+
+function init_world()
+  drops = {}
+  frozen_drops = {}
+  player = {}
+  player.x = 64
+  player.y = 16
+  player.spr = 1
+end
+
+function _init()
+  -- button-press initial delay
+  poke(0x5f5c, 1)
+  -- button-press repeat
+  poke(0x5f5d, 2)
+  init_world()
+end
+
+function _update()
+  update_drops()
+  update_player()
+end
+
+function update_player()
+  if btn(0) then
+    player.x -= 1
+  end
+  if btn(1) then
+    player.x += 1
+  end
+  if btn(2) then
+    player.y -= 1
+  end
+  if btn(3) then
+    player.y += 1
+  end
+  if (player.y < 0) player.y = 0
+  if (player.y > 127) player.y = 127
+  if (player.x < 0) player.x = 0
+  if (player.x > 127) player.x = 127
+
+  if (btnp(🅾️)) then
+    drop = {}
+    drop.x = player.x
+    drop.y = player.y
+    drop.momentum = 0
+    drop.fall_time = 0
+    found_drop = false
+    for i=1,#drops do
+      if (drops[i].x == player.x and drops[i].y == player.y) then
+        found_drop = true
+        break
+      end
+    end
+    if (not found_drop) then
+      add(drops, drop)
+    end
+  end
+end
+
+function update_drops()
+  cls()
+  draw_drops()
+  for i=1,#drops do
+    drop = drops[i]
+    try_left = rnd() < 0.5
+    if drop.momentum == 0 then
+      if try_left then
+        drop.momentum = -1
+      else
+        drop.momentum = 1
+      end
+    end
+    if pget(drop.x, drop.y+1) == black then
+      drop.y += 1
+      drop.momentum = 0
+      drop.fall_time = 0
+    elseif try_left and drop.x > 0 and
+        pget(drop.x-1, drop.y+1) == black then
+      drop.x -= 1
+      drop.y += 1
+      drop.fall_time = 0
+    elseif drop.x < 127 and
+        pget(drop.x+1, drop.y+1) == black then
+      drop.x += 1
+      drop.y += 1
+      drop.fall_time = 0
+    elseif drop.momentum == -1 then
+      drop.fall_time += 1
+      if drop.x > 0 and pget(drop.x-1, drop.y) == black then
+        drop.x -= 1
+      else
+        drop.momentum = 0
+      end
+    elseif drop.momentum == 1 then
+      drop.fall_time += 1
+      if drop.x < 127 and pget(drop.x+1, drop.y) == black then
+        drop.x += 1
+      else
+        drop.momentum = 0
+      end
+    end
+    if drop.y > 127 then drop.y = 127 end
+  end
+  
+  new_drops = {}
+  for i=1,#drops do
+    drop = drops[i]
+    if drop.fall_time > 64 then
+      add(frozen_drops, drop)
+    else
+      add(new_drops, drop)
+    end
+  end
+  drops = new_drops
+end
+
+function _draw()
+  cls()
+  draw_drops()
+  draw_player()
+  --print("cpu: "..stat(1), 0, 0, light_gray)
+  --print("drops: "..#drops, 0, 6, light_gray)
+  --print("frozen: "..#frozen_drops, 0, 12, light_gray)
+end
+
+function draw_player()
+  spr(player.spr,player.x-1,player.y-1)
+end
+
+function draw_drops()
+  foreach(frozen_drops,draw_drop)
+  foreach(drops,draw_drop)
+  circfill(94, 94, 3, green)
+  circfill(98, 105, 2, orange)
+  line(98, 115, 98, 122, pink)
+  line(105, 122)
+  line(105, 115)
+
+  line(70, 64, 90, 60, dark_purple)
+  line(70, 65, 90, 61, dark_purple)
+  
+  line(60, 30, 80, 50, indigo)
+  line(60, 31, 80, 51, indigo)
+
+  line(64, 90, 74, 90)
+  line(70, 86)
+  line(68, 86, 64, 90)
+  
+  ovalfill(54, 95, 74, 100, pink)
+  
+  line(70, 116, 93, 112, green)
+  line(70, 115, 93, 111, green)
+  line(70, 116, 60, 112, green)
+  line(70, 115, 60, 111, green)
+    
+  print("hello everybody", 63, 58, yellow)
+  
+end
+
+function draw_drop(drop)
+  pset(drop.x, drop.y, blue)
+end
+
+-->8
+-- library
+
+black = 0
+dark_blue = 1
+dark_purple = 2
+dark_green = 3
+brown = 4
+dark_gray = 5
+light_gray = 6
+white = 7
+red = 8
+orange = 9
+yellow = 10
+green = 11
+blue = 12
+indigo = 13
+pink = 14
+peach = 15
+
+function print_ctr(s,y,c)
+  print(s,64 - #s * 2,y,c)
+end
+__gfx__
+000000000a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00000000aaa000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+007007000a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00077000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
+00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000