diff --git a/source/src/main.cpp b/source/src/main.cpp
index c6a6e048..3761a401 100644
--- a/source/src/main.cpp
+++ b/source/src/main.cpp
@@ -735,7 +735,19 @@ void checkinput()
 
             case SDL_KEYDOWN:
             case SDL_KEYUP:
-                keypress(event.key.keysym.sym, event.key.state==SDL_PRESSED, event.key.keysym.unicode, event.key.keysym.mod);
+                extern bool senst;
+                if (event.key.keysym.sym <= SDLK_5 && event.key.keysym.sym >= SDLK_1 && senst)
+                {
+                    if (event.key.state==SDL_PRESSED)
+                    {
+                        extern void tsens(int x);
+                        tsens(event.key.keysym.sym);
+                    }
+                }
+                else
+                {
+                    keypress(event.key.keysym.sym, event.key.state==SDL_PRESSED, event.key.keysym.unicode, event.key.keysym.mod);
+                }
                 break;
 
             case SDL_ACTIVEEVENT:
diff --git a/source/src/physics.cpp b/source/src/physics.cpp
index 0c1e5fa7..8d668313 100644
--- a/source/src/physics.cpp
+++ b/source/src/physics.cpp
@@ -734,6 +734,8 @@ void crouch(bool on)
     player1->trycrouch = on;
 }
 
+
+
 COMMAND(backward, ARG_DOWN);
 COMMAND(forward, ARG_DOWN);
 COMMAND(left, ARG_DOWN);
@@ -760,6 +762,88 @@ FVARP(mfilter, 0.0f, 0.0f, 6.0f);
 VARP(autoscopesens, 0, 0, 1);
 float fdx = 0, fdy = 0;
 
+
+float testsens=0;
+bool senst=0;
+void tsens(int x)
+{
+    static bool highlock=0,lowlock=0;
+    static float sensn=0,sensl=0,sensh=0;
+    if (x == SDLK_3 || x == SDLK_4)
+    {
+        if (x == SDLK_3) //high sens
+        {
+            lowlock=1;
+            if (highlock)
+            {
+                sensl=sensn;
+                sensn=(sensh+sensl)/2.0f;
+            }
+            else
+            {
+                sensl=sensn;
+                sensn=sensh;
+                sensh=sensn*2.0f;
+            }
+        }
+        if (x == SDLK_4) //low sens
+        {
+            highlock=1;
+            if (lowlock)
+            {
+                sensh=sensn;
+                sensn=(sensh+sensl)/2.0f;
+            }
+            else
+            {
+                sensh=sensn;
+                sensn=sensl;
+                sensl=sensn/2.0f;
+            }
+        }
+        conoutf("--- \f0you choose: %s sens",x==SDLK_3?"high":"low");
+        testsens=sensn;
+    }
+    if (x == SDLK_2)
+    {
+        testsens=sensl;
+        conoutf("--- \f0You are now trying the lower sens.");
+    }
+    if (x == SDLK_1)
+    {
+        testsens=sensh;
+        conoutf("--- \f0You are now trying the higher sens.");
+    }
+    if (x==-1000)
+    {
+        sensh=sensitivity*2.0f;
+        sensl=sensitivity/2.0f;
+        sensn=sensitivity;
+    }
+    if (sensh/sensn <= 1.04f || x == SDLK_5)
+    {
+        senst=0;
+        if(sensh/sensn <= 1.04f) {
+            conoutf("--- \f0Sensitivity Training Ended. happy fragging.");
+            sensitivity=sensn;
+        } else {
+            conoutf("--- \f0Sensitivity Training Stopped. ");
+        }
+        highlock=lowlock=0;
+        sensn=sensl=sensh=0;
+        testsens=0;
+    }
+}
+void findsens()
+{
+    senst=1;
+    tsens(-1000);
+    testsens=sensitivity;
+    conoutf("--- \f0Sensitivity Training Started.");
+}
+COMMAND(findsens,ARG_NONE);
+
+
 inline bool zooming(playerent *plx) { return (plx->weaponsel->type == GUN_SNIPER && ((sniperrifle *)plx->weaponsel)->scoped); }
 
 void mousemove(int odx, int ody)
@@ -776,7 +860,7 @@ void mousemove(int odx, int ody)
     }
 
     float cursens = sensitivity;
-
+    if(senst) {cursens=testsens;}
     if(mouseaccel && curtime && (dx || dy)) cursens += 0.02 * mouseaccel * sqrtf(dx*dx + dy*dy)/curtime;
     cursens /= 33.0f*sensitivityscale;
 
diff --git a/source/src/renderhud.cpp b/source/src/renderhud.cpp
index 9d758341..c2d41f7e 100644
--- a/source/src/renderhud.cpp
+++ b/source/src/renderhud.cpp
@@ -767,6 +767,10 @@ void gl_drawhud(int w, int h, int curfps, int nquads, int curvert, bool underwat
 
     glLoadIdentity();
     glOrtho(0, VIRTW*2, VIRTH*2, 0, -1, 1);
+    extern bool senst;
+    if(senst) {
+        draw_textf("\fJSensitivity Training (hotkeys):\n\fE1. try High Sens.\n2. try Low Sens.\n\fJafter trying both choose the one you liked most:\fE\n3. choose: High Sens.\n4. choose: Low Sens.\n\fIrepeat the steps above until the training stops.\n\f35. Stop Training.", VIRTW/4, VIRTH/3);
+    }
 
     if(!hideconsole) renderconsole();
     if(showstats)