diff --git a/game/main.lua b/game/main.lua
index 9d7cd2c..a1a5d59 100644
--- a/game/main.lua
+++ b/game/main.lua
@@ -1,3 +1,40 @@
+local mode = {
+  require("src.modes.racing"),
+  require("src.modes.raising_sim")
+};
+
+local actor = require("src.entities.shared.actor")
+local player = actor.load("player")
+
+local mode_i = 1
+
 function love.load()
-  print("hello")
+  mode[mode_i].load(player)
+end
+
+function love.update(dt)
+  mode[mode_i].update(dt)
+end
+
+function love.draw()
+  mode[mode_i].draw()
+end
+
+function love.keyreleased(key, scancode)
+  if (key == "right") then
+    mode_i = mode_i + 1
+    if (mode_i > 2) then
+      mode_i = 1
+    end
+    mode[mode_i].load(player)
+  end
+  mode[mode_i].keyreleased(key, scancode)
+end
+
+function love.keypressed(key, scancode, isrepeat)
+  mode[mode_i].keypressed(key, scancode, isrepeat)
+end
+
+function love.mousereleased(x, y, button, istouch, presses)
+  mode[mode_i].mousereleased(x, y, button, istouch, presses)
 end
diff --git a/game/src/entities/racing/racer.lua b/game/src/entities/racing/racer.lua
new file mode 100644
index 0000000..ef33feb
--- /dev/null
+++ b/game/src/entities/racing/racer.lua
@@ -0,0 +1,49 @@
+local entity = {}
+
+entity.__index = entity
+
+function entity.load(actor, finish)
+  local self = setmetatable({}, entity)
+  self.data = {
+    pos = {0, 100, 0},
+    color = {255/255, 255/255, 255/255},
+    actor = actor,
+
+    current_speed = 0.0,
+    current_accel = 0.0,
+
+    finish = finish
+  }
+  return self
+end
+
+function entity:update(dt)
+  if (self.data.pos[1] > self.data.finish[1]) then
+    self.data.pos[1] = 0
+    self.data.current_speed = 0
+    self.data.current_accel = 0
+  end
+  self:accel(dt)
+  self.data.pos[1] = self.data.pos[1] + self.data.current_speed * dt
+end
+
+function entity:accel(dt)
+  if (self.data.current_accel <= self.data.actor.data.accel) then
+    self.data.current_accel = self.data.current_accel + dt
+  end
+  if (self.data.current_speed <= self.data.actor.data.max_speed) then
+    self.data.current_speed = self.data.current_speed + self.data.current_accel * dt
+  end
+end
+
+function entity:draw()
+  love.graphics.push()
+  love.graphics.setColor(self.data.color[1], self.data.color[2], self.data.color[3])
+  love.graphics.points(self.data.pos[1], self.data.pos[2])
+  love.graphics.print(self.data.current_speed, self.data.pos[1], self.data.pos[2])
+  love.graphics.print(string.format("Current Accel : %s", self.data.current_accel), 0, 40)
+  love.graphics.pop()
+  self.data.actor:draw()
+end
+
+return entity
diff --git a/game/src/entities/raising/trainee.lua b/game/src/entities/raising/trainee.lua
new file mode 100644
index 0000000..c7f8cb1
--- /dev/null
+++ b/game/src/entities/raising/trainee.lua
@@ -0,0 +1,41 @@
+local entity = {}
+
+entity.__index = entity
+
+function entity.load(actor)
+  local self = setmetatable({}, entity)
+  self.data = {
+    actor = actor,
+
+    increase_max_speed = 1,
+    increase_accel = 1
+  }
+  return self
+end
+
+function entity:update(dt)
+
+end
+
+function entity:draw()
+  love.graphics.push()
+  love.graphics.print(string.format("[(a)-Max Speed+(d)] : %s", self.data.increase_max_speed), 0, 40)
+  love.graphics.print(string.format("[(q)-Accel+(e)] : %s", self.data.increase_accel), 0, 60)
+  love.graphics.pop()
+  self.data.actor:draw()
+end
+
+function entity:keyreleased(key, scancode)
+  if (key == "a") then
+    self.data.actor.data.max_speed = self.data.actor.data.max_speed - self.data.increase_max_speed
+  elseif (key == "d") then
+    self.data.actor.data.max_speed = self.data.actor.data.max_speed + self.data.increase_max_speed
+  elseif (key == "q") then
+    self.data.actor.data.accel = self.data.actor.data.accel - self.data.increase_accel
+  elseif (key == "e") then
+    self.data.actor.data.accel = self.data.actor.data.accel + self.data.increase_accel
+  end
+end
+
+
+return entity
diff --git a/game/src/entities/shared/actor.lua b/game/src/entities/shared/actor.lua
new file mode 100644
index 0000000..fc4d4de
--- /dev/null
+++ b/game/src/entities/shared/actor.lua
@@ -0,0 +1,26 @@
+local entity = {}
+
+entity.__index = entity
+
+function entity.load(name)
+  local self = setmetatable({}, entity)
+  self.data = {
+    max_speed = 100.0,
+    accel = 2.0,
+  }
+  return self
+end
+
+function entity:update(dt)
+end
+
+function entity:draw()
+  love.graphics.push()
+  love.graphics.print(string.format("Max Speed : %s", self.data.max_speed), 0, 0)
+  love.graphics.print(string.format("Accel : %s", self.data.accel), 0, 20)
+  love.graphics.pop()
+end
+
+
+
+return entity
diff --git a/game/src/modes/mode.lua b/game/src/modes/mode.lua
new file mode 100644
index 0000000..52cc2da
--- /dev/null
+++ b/game/src/modes/mode.lua
@@ -0,0 +1,24 @@
+local mode = {}
+
+
+function mode.load(player)
+
+end
+
+function mode.update(dt)
+end
+
+function mode.draw()
+end
+
+function mode.keyreleased(key, scancode)
+end
+
+function mode.keypressed(key, scancode, isrepeat)
+end
+
+function mode.mousereleased(x, y, button, istouch, presses)
+end
+
+
+return mode
diff --git a/game/src/modes/racing.lua b/game/src/modes/racing.lua
new file mode 100644
index 0000000..e00d3ed
--- /dev/null
+++ b/game/src/modes/racing.lua
@@ -0,0 +1,30 @@
+local racer = require("src.entities.racing.racer")
+
+local mode = {}
+
+local finish = {100, 100, 0}
+
+local entities = {}
+
+function mode.load(player)
+  entities.racer = racer.load(player, finish)
+end
+
+function mode.update(dt)
+  entities.racer:update(dt)
+end
+
+function mode.draw()
+  entities.racer:draw()
+end
+
+function mode.keyreleased(key, scancode)
+end
+
+function mode.keypressed(key, scancode, isrepeat)
+end
+
+function mode.mousereleased(x, y, button, istouch, presses)
+end
+
+return mode
diff --git a/game/src/modes/raising_sim.lua b/game/src/modes/raising_sim.lua
new file mode 100644
index 0000000..95afef6
--- /dev/null
+++ b/game/src/modes/raising_sim.lua
@@ -0,0 +1,31 @@
+
+local trainee = require("src.entities.raising.trainee")
+
+local mode = {}
+
+local entities = {}
+
+function mode.load(player)
+  entities.trainee = trainee.load(player)
+end
+
+function mode.update(dt)
+  entities.trainee:update(dt)
+end
+
+function mode.draw()
+  entities.trainee:draw()
+end
+
+function mode.keyreleased(key, scancode)
+  entities.trainee:keyreleased(key, scancode)
+end
+
+function mode.keypressed(key, scancode, isrepeat)
+end
+
+function mode.mousereleased(x, y, button, istouch, presses)
+end
+
+
+return mode