diff --git a/include/core/offsets.hpp b/include/core/offsets.hpp
index 08d7d70c..d7c1153d 100644
--- a/include/core/offsets.hpp
+++ b/include/core/offsets.hpp
@@ -180,4 +180,8 @@ struct offsets
     {
         return PlatformOffset(77, undefined, 77);
     }
+    static constexpr uint32_t RegisterFileWhitelist()
+    {
+        return PlatformOffset(94, undefined, undefined);
+    }
 };
diff --git a/src/hacks/AntiAntiAim.cpp b/src/hacks/AntiAntiAim.cpp
index 388a37e6..dc5d4acc 100644
--- a/src/hacks/AntiAntiAim.cpp
+++ b/src/hacks/AntiAntiAim.cpp
@@ -15,7 +15,7 @@ void hacks::shared::anti_anti_aim::createMove()
         return;
 
     IClientEntity *entity{ nullptr };
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         resolveEnt(i, entity);
     }
diff --git a/src/hacks/AntiCheat.cpp b/src/hacks/AntiCheat.cpp
index 2cc634c1..7d47aeea 100644
--- a/src/hacks/AntiCheat.cpp
+++ b/src/hacks/AntiCheat.cpp
@@ -52,7 +52,7 @@ void CreateMove()
         return;
     angles::Update();
     ac::aimbot::player_orgs().clear();
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         if (skip_local && (i == g_IEngine->GetLocalPlayer()))
             continue;
diff --git a/src/hacks/AntiDisguise.cpp b/src/hacks/AntiDisguise.cpp
index ec457721..8c732b0a 100644
--- a/src/hacks/AntiDisguise.cpp
+++ b/src/hacks/AntiDisguise.cpp
@@ -20,7 +20,7 @@ void Draw()
     if (!*enable && !*no_invisibility)
         return;
 
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         ent = ENTITY(i);
         if (CE_BAD(ent) || ent == LOCAL_E || ent->m_Type() != ENTITY_PLAYER || CE_INT(ent, netvar.iClass) != tf_class::tf_spy)
diff --git a/src/hacks/AutoBackstab.cpp b/src/hacks/AutoBackstab.cpp
index d554e270..51a9a404 100644
--- a/src/hacks/AutoBackstab.cpp
+++ b/src/hacks/AutoBackstab.cpp
@@ -126,6 +126,11 @@ static void doBacktrackStab()
             continue;
         Vector &min = btp.collidable.min;
         Vector &max = btp.collidable.max;
+        // Shrink by 5%
+        min.x += (max.x - min.x) / 100.0f * 5.0f;
+        max.x -= (max.x - min.x) / 100.0f * 5.0f;
+        min.y += (max.y - min.y) / 100.0f * 5.0f;
+        max.y -= (max.y - min.y) / 100.0f * 5.0f;
         Vector hit;
         if (hacks::shared::triggerbot::CheckLineBox(min, max, g_pLocalPlayer->v_Eye, GetForwardVector(g_pLocalPlayer->v_Eye, newangle, swingrange), hit))
         {
diff --git a/src/hacks/AutoHeal.cpp b/src/hacks/AutoHeal.cpp
index d2506540..c41c26aa 100644
--- a/src/hacks/AutoHeal.cpp
+++ b/src/hacks/AutoHeal.cpp
@@ -81,7 +81,7 @@ int BulletDangerValue(CachedEntity *patient)
         return 0;
     bool any_zoomed_snipers = false;
     // Find dangerous snipers in other team
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         CachedEntity *ent = ENTITY(i);
         if (CE_BAD(ent))
@@ -126,7 +126,7 @@ int FireDangerValue(CachedEntity *patient)
     uint8_t should_switch = 0;
     if (auto_vacc_pop_if_pyro)
     {
-        for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+        for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
         {
             CachedEntity *ent = ENTITY(i);
             if (CE_BAD(ent))
@@ -525,7 +525,7 @@ int BestTarget()
     int best_score = INT_MIN;
     if (steamid_only)
         return best;
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         int score = HealingPriority(i);
         if (score > best_score && score != -1)
@@ -577,7 +577,7 @@ void CreateMove()
     }
     else if (steamid)
     {
-        for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+        for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
         {
             CachedEntity *ent = ENTITY(i);
             if (CE_BAD(ent) || !ent->player_info.friendsID)
@@ -601,7 +601,7 @@ void CreateMove()
         }
         if (current_id != steamid)
         {
-            for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+            for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
             {
                 CachedEntity *ent = ENTITY(i);
                 if (CE_BAD(ent) || !ent->player_info.friendsID)
diff --git a/src/hacks/Backtrack.cpp b/src/hacks/Backtrack.cpp
index e4ea0dae..3ecae7b6 100644
--- a/src/hacks/Backtrack.cpp
+++ b/src/hacks/Backtrack.cpp
@@ -116,7 +116,7 @@ static void Run()
     // Fill backtrack data (stored in headPositions)
     {
         PROF_SECTION(cm_bt_ent_loop)
-        for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+        for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
         {
             CachedEntity *pEntity = ENTITY(i);
             if (CE_BAD(pEntity) || !pEntity->m_bAlivePlayer())
@@ -222,7 +222,7 @@ static void Draw()
         return;
     // :b:ones for non drawable ents
     if (draw_skeleton)
-        for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+        for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
         {
             CachedEntity *ent = ENTITY(i);
             if (CE_BAD(ent) || !ent->m_bAlivePlayer() || i == g_IEngine->GetLocalPlayer())
@@ -249,7 +249,7 @@ static void Draw()
         }
     if (!draw_bt)
         return;
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         CachedEntity *ent = ENTITY(i);
         if (CE_BAD(ent))
@@ -376,7 +376,7 @@ std::pair<int, int> getBestEntBestTick()
     if (GetWeaponMode() == weapon_melee)
     {
         float bestDist = 9999.0f;
-        for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+        for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
         {
             CachedEntity *tar = ENTITY(i);
             if (CE_GOOD(tar))
@@ -406,7 +406,7 @@ std::pair<int, int> getBestEntBestTick()
     else
     {
         float bestFov = 180.0f;
-        for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+        for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
         {
             CachedEntity *tar = ENTITY(i);
             if (CE_GOOD(tar))
diff --git a/src/hacks/CatBot.cpp b/src/hacks/CatBot.cpp
index 99b1927f..d4efac21 100644
--- a/src/hacks/CatBot.cpp
+++ b/src/hacks/CatBot.cpp
@@ -194,7 +194,7 @@ void reportall()
         patch.Patch();
         patched_report = true;
     }
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         CachedEntity *ent = ENTITY(i);
         // We only want a nullptr check since dormant entities are still on the
@@ -262,7 +262,7 @@ void smart_crouch()
     static bool crouch = false;
     if (crouchcdr.test_and_set(2000))
     {
-        for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+        for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
         {
             auto ent = ENTITY(i);
             if (CE_BAD(ent) || ent->m_Type() != ENTITY_PLAYER || ent->m_iTeam() == LOCAL_E->m_iTeam() || !(ent->hitboxes.GetHitbox(0)) || !(ent->m_bAlivePlayer()) || !player_tools::shouldTarget(ent) || should_ignore_player(ent))
diff --git a/src/hacks/DominateMark.cpp b/src/hacks/DominateMark.cpp
index 1410b124..a7bf8add 100644
--- a/src/hacks/DominateMark.cpp
+++ b/src/hacks/DominateMark.cpp
@@ -17,7 +17,7 @@ static InitRoutine init([]() {
                      if (CE_BAD(LOCAL_E))
                          return;
                      re::CTFPlayerShared *shared_player = &re::C_BasePlayer::shared_(RAW_ENT(LOCAL_E));
-                     for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+                     for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
                      {
                          CachedEntity *ent = ENTITY(i);
                          if (CE_GOOD(ent) && ent->m_bAlivePlayer() && re::CTFPlayerShared::IsDominatingPlayer(shared_player, i))
diff --git a/src/hacks/FollowBot.cpp b/src/hacks/FollowBot.cpp
index 2af9c6dc..cb581a1c 100644
--- a/src/hacks/FollowBot.cpp
+++ b/src/hacks/FollowBot.cpp
@@ -53,7 +53,7 @@ static CatCommand follow_steam("fb_steam", "Follow Steam Id", [](const CCommand
 });
 
 static CatCommand steam_debug("debug_steamid", "Print steamids", []() {
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         auto ent = ENTITY(i);
         logging::Info("%u", ent->player_info.friendsID);
diff --git a/src/hacks/LightESP.cpp b/src/hacks/LightESP.cpp
index 2080668e..15d3f492 100644
--- a/src/hacks/LightESP.cpp
+++ b/src/hacks/LightESP.cpp
@@ -25,7 +25,7 @@ static void cm()
 {
     if (!*enable)
         return;
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         if (g_pLocalPlayer->entity_idx == i)
             continue;
@@ -53,7 +53,7 @@ void draw()
 {
     if (!enable)
         return;
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         if (!drawEsp[i])
             continue;
diff --git a/src/hacks/MiscAimbot.cpp b/src/hacks/MiscAimbot.cpp
index fa8e19c8..58c5af3f 100644
--- a/src/hacks/MiscAimbot.cpp
+++ b/src/hacks/MiscAimbot.cpp
@@ -60,7 +60,7 @@ std::pair<CachedEntity *, Vector> FindBestEnt(bool teammate, bool Predict, bool
             return { bestent, predicted };
     }
     prevent = -1;
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         CachedEntity *ent = ENTITY(i);
         if (CE_BAD(ent) || !(ent->m_bAlivePlayer()) || (teammate && ent->m_iTeam() != LOCAL_E->m_iTeam()) || ent == LOCAL_E)
diff --git a/src/hacks/MiscPlayerInfo.cpp b/src/hacks/MiscPlayerInfo.cpp
index 9c04b164..f97da587 100644
--- a/src/hacks/MiscPlayerInfo.cpp
+++ b/src/hacks/MiscPlayerInfo.cpp
@@ -51,7 +51,7 @@ void Paint()
 {
     if (!*draw_kda && !*mafia_city)
         return;
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         CachedEntity *ent = ENTITY(i);
         if (CE_BAD(ent))
diff --git a/src/hacks/NavBot.cpp b/src/hacks/NavBot.cpp
index 34c8f6b4..b01cc4e0 100644
--- a/src/hacks/NavBot.cpp
+++ b/src/hacks/NavBot.cpp
@@ -131,7 +131,7 @@ static std::pair<CachedEntity *, float> getNearestPlayerDistance()
 {
     float distance         = FLT_MAX;
     CachedEntity *best_ent = nullptr;
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         CachedEntity *ent = ENTITY(i);
         if (CE_GOOD(ent) && ent->m_bAlivePlayer() && ent->m_bEnemy() && g_pLocalPlayer->v_Origin.DistTo(ent->m_vecOrigin()) < distance && player_tools::shouldTarget(ent) && VisCheckEntFromEnt(LOCAL_E, ent))
@@ -224,7 +224,7 @@ static bool stayNearPlayer(CachedEntity *&ent, const bot_class_config &config, C
 static bool stayNearPlayers(const bot_class_config &config, CachedEntity *&result_ent, CNavArea *&result_area)
 {
     std::vector<CachedEntity *> players;
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         CachedEntity *ent = ENTITY(i);
         if (CE_BAD(ent) || !ent->m_bAlivePlayer() || !ent->m_bEnemy() || !player_tools::shouldTarget(ent))
diff --git a/src/hacks/PureBypass.cpp b/src/hacks/PureBypass.cpp
index 4727cf47..d5fc5e86 100644
--- a/src/hacks/PureBypass.cpp
+++ b/src/hacks/PureBypass.cpp
@@ -1,35 +1,15 @@
 #include <settings/Bool.hpp>
 #include "common.hpp"
 
-static settings::Bool enabled{ "pure-bypass.enable", "false" };
-static void *pure_orig, **pure_addr;
-
-static void toggle(bool on)
+hooks::VMTHook svpurehook{};
+static void (*orig_RegisterFileWhilelist)(void *, void *, void *);
+static void RegisterFileWhitelist(void *_this, void *a, void *b)
 {
-    if (on)
-    {
-        if (!pure_addr)
-        {
-            pure_addr = *reinterpret_cast<void ***>(gSignatures.GetEngineSignature("A1 ? ? ? ? 85 C0 74 ? C7 44 24 ? ? ? ? ? 89 04 24") + 1);
-            if (!pure_addr)
-            {
-                logging::Info("Pure bypass broken, failed to find signature");
-                return;
-            }
-        }
-        if (*pure_addr)
-            pure_orig = *pure_addr;
-
-        *pure_addr = nullptr;
-    }
-    else if (pure_orig)
-    {
-        *pure_addr = pure_orig;
-        pure_orig  = nullptr;
-    }
+    logging::Info("git gud sv_pure !");
 }
 
 static InitRoutine init([] {
-    toggle(*enabled);
-    enabled.installChangeCallback([](settings::VariableBase<bool> &, bool on) { toggle(on); });
+    svpurehook.Set(g_IFileSystem);
+    svpurehook.HookMethod(RegisterFileWhitelist, offsets::RegisterFileWhitelist(), &orig_RegisterFileWhilelist);
+    svpurehook.Apply();
 });
diff --git a/src/hacks/Spam.cpp b/src/hacks/Spam.cpp
index 87b37dde..b788365b 100644
--- a/src/hacks/Spam.cpp
+++ b/src/hacks/Spam.cpp
@@ -181,7 +181,7 @@ int QueryPlayer(Query query)
     }
     std::vector<int> candidates{};
     int index_result = 0;
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         if (PlayerPassesQuery(query, i))
         {
diff --git a/src/hooks/CreateMove.cpp b/src/hooks/CreateMove.cpp
index 81d95202..969130c1 100644
--- a/src/hooks/CreateMove.cpp
+++ b/src/hooks/CreateMove.cpp
@@ -424,7 +424,7 @@ DEFINE_HOOKED_METHOD(CreateMove, bool, void *this_, float input_sample_time, CUs
         }
         if (cmd && (cmd->buttons & IN_ATTACK || !(hacks::shared::antiaim::isEnabled() && *fakelag_amount && *bSendPackets)))
             g_Settings.brute.last_angles[LOCAL_E->m_IDX] = cmd->viewangles;
-        for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+        for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
         {
 
             CachedEntity *ent = ENTITY(i);
diff --git a/src/hooks/GetFriendPersonaName.cpp b/src/hooks/GetFriendPersonaName.cpp
index c7ffa5d5..bf108996 100644
--- a/src/hooks/GetFriendPersonaName.cpp
+++ b/src/hooks/GetFriendPersonaName.cpp
@@ -35,7 +35,7 @@ bool StolenName()
     int potential_targets_length = 0;
 
     // Go through entities looking for potential targets
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         CachedEntity *ent = ENTITY(i);
 
diff --git a/src/hooks/visual/DrawModelExecute.cpp b/src/hooks/visual/DrawModelExecute.cpp
index 5962bc98..c8912188 100644
--- a/src/hooks/visual/DrawModelExecute.cpp
+++ b/src/hooks/visual/DrawModelExecute.cpp
@@ -71,7 +71,7 @@ DEFINE_HOOKED_METHOD(DrawModelExecute, void, IVModelRender *this_, const DrawMod
             if (sname.find("models/player") || sname.find("models/weapons") || sname.find("models/workshop/player") || sname.find("models/workshop/weapons"))
             {
 
-                if (IDX_GOOD(info.entity_index) && info.entity_index < g_IEngine->GetMaxClients() && info.entity_index != g_IEngine->GetLocalPlayer())
+                if (IDX_GOOD(info.entity_index) && info.entity_index <= g_IEngine->GetMaxClients() && info.entity_index != g_IEngine->GetLocalPlayer())
                 {
                     CachedEntity *ent = ENTITY(info.entity_index);
                     if (CE_GOOD(ent) && ent->m_bAlivePlayer())
@@ -96,15 +96,14 @@ DEFINE_HOOKED_METHOD(DrawModelExecute, void, IVModelRender *this_, const DrawMod
                             // Sort
                             std::sort(usable.begin(), usable.end(), [](hacks::shared::backtrack::BacktrackData &a, hacks::shared::backtrack::BacktrackData &b) { return a.tickcount < b.tickcount; });
                             // Make our own Chamsish Material
-                            static CMaterialReference mat_lit;
+                            static CMaterialReference mat_unlit;
                             static bool init = false;
                             if (!init)
                             {
-                                KeyValues *kv = new KeyValues("VertexLitGeneric");
+                                KeyValues *kv = new KeyValues("UnlitGeneric");
                                 kv->SetString("$basetexture", "vgui/white_additive");
                                 kv->SetInt("$ignorez", 0);
-                                kv->SetInt("$halflambert", 1);
-                                mat_lit.Init("__cathook_echams_lit", kv);
+                                mat_unlit.Init("__cathook_glow_unlit", kv);
                                 init = true;
                             }
                             // Render Chams/Glow stuff
@@ -116,7 +115,7 @@ DEFINE_HOOKED_METHOD(DrawModelExecute, void, IVModelRender *this_, const DrawMod
                             // Important for Depth
                             ptr->DepthRange(0.0f, 1.0f);
                             // Apply our material
-                            g_IVModelRender->ForcedMaterialOverride(mat_lit);
+                            g_IVModelRender->ForcedMaterialOverride(mat_unlit);
                             // Run Original
                             original::DrawModelExecute(this_, state, info, usable[0].bones);
                             // Revert
diff --git a/src/irc.cpp b/src/irc.cpp
index 6a20c304..7b0638b7 100644
--- a/src/irc.cpp
+++ b/src/irc.cpp
@@ -74,7 +74,7 @@ void authreq(std::string &msg)
     else
         steamidhash = msg.substr(4);
 
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         if (i == g_pLocalPlayer->entity_idx)
             continue;
diff --git a/src/playerlist.cpp b/src/playerlist.cpp
index 686882c9..3826d686 100644
--- a/src/playerlist.cpp
+++ b/src/playerlist.cpp
@@ -235,7 +235,7 @@ CatCommand pl_set_state("pl_set_state", "cat_pl_set_state [playername] [state] (
     }
     auto name = args.Arg(1);
     int id    = -1;
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         player_info_s info;
         if (!g_IEngine->GetPlayerInfo(i, &info))
@@ -301,7 +301,7 @@ static int cat_pl_set_state_completionCallback(const char *c_partial, char comma
 
     std::vector<std::string> names;
 
-    for (int i = 0; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 0; i <= g_IEngine->GetMaxClients(); i++)
     {
         player_info_s info;
         if (!g_IEngine->GetPlayerInfo(i, &info))
diff --git a/src/votelogger.cpp b/src/votelogger.cpp
index c5f9bdbe..a94af1c1 100644
--- a/src/votelogger.cpp
+++ b/src/votelogger.cpp
@@ -29,7 +29,7 @@ static void vote_rage_back()
     if (!g_IEngine->IsInGame() || !attempt_vote_time.test_and_set(1000))
         return;
 
-    for (int i = 1; i < g_IEngine->GetMaxClients(); i++)
+    for (int i = 1; i <= g_IEngine->GetMaxClients(); i++)
     {
         auto ent = ENTITY(i);
         // TO DO: m_bEnemy check only when you can't vote off players from the opposite team