diff --git a/sonic-boost.love/datas/subgame/sonic-boost/physics.lua b/sonic-boost.love/datas/subgame/sonic-boost/physics.lua
new file mode 100644
index 0000000..cee86ca
--- /dev/null
+++ b/sonic-boost.love/datas/subgame/sonic-boost/physics.lua
@@ -0,0 +1,10 @@
+return {
+  acc = 0.2,  -- Basic acceleration
+  dec = 0.5,  -- Basic deceleration
+  grv = 1.3,  -- Gravity
+  max = 4,    -- DEPRECATED: max speed
+  jmp = 4,    -- DEPRECATED: jump initial velocity
+  boost = 1.2,-- Boost value when you are dashing compared to your max speed.
+  side = 2.5, -- sidestep speed
+  spring = 4, -- Spring initial velocity
+}