diff --git a/src/Builtin/BaseProcesses.cs b/src/Builtin/BaseProcesses.cs
index ec19ce0..3a9e59d 100644
--- a/src/Builtin/BaseProcesses.cs
+++ b/src/Builtin/BaseProcesses.cs
@@ -32,6 +32,11 @@ namespace DCFApixels.DragonECS
 
 namespace DCFApixels.DragonECS.Internal
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [MetaColor(MetaColor.Orange)]
     internal sealed class EcsPreInitRunner : EcsRunner<IEcsPreInit>, IEcsPreInit
     {
@@ -83,6 +88,10 @@ namespace DCFApixels.DragonECS.Internal
 #endif
         }
     }
+#if ENABLE_IL2CPP
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [MetaColor(MetaColor.Orange)]
     internal sealed class EcsInitRunner : EcsRunner<IEcsInit>, IEcsInit
     {
@@ -131,6 +140,10 @@ namespace DCFApixels.DragonECS.Internal
 #endif
         }
     }
+#if ENABLE_IL2CPP
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [MetaColor(MetaColor.Orange)]
     internal sealed class EcsRunRunner : EcsRunner<IEcsRun>, IEcsRun
     {
@@ -179,6 +192,10 @@ namespace DCFApixels.DragonECS.Internal
 #endif
         }
     }
+#if ENABLE_IL2CPP
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [MetaColor(MetaColor.Orange)]
     internal sealed class EcsDestroyRunner : EcsRunner<IEcsDestroy>, IEcsDestroy
     {
diff --git a/src/Collections/EcsGroup.cs b/src/Collections/EcsGroup.cs
index e07a5b3..5455efd 100644
--- a/src/Collections/EcsGroup.cs
+++ b/src/Collections/EcsGroup.cs
@@ -10,6 +10,11 @@ using System.Runtime.InteropServices;
 
 namespace DCFApixels.DragonECS
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption (Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     //_dense заполняется с индекса 1
     //в операциях изменяющих состояние группы нельзя итерироваться по this, либо осторожно учитывать этот момент
     [StructLayout(LayoutKind.Sequential, Pack = 0, Size = 8)]
@@ -140,6 +145,10 @@ namespace DCFApixels.DragonECS
         #endregion
     }
 
+#if ENABLE_IL2CPP
+    [Il2CppSetOption (Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [DebuggerTypeProxy(typeof(DebuggerProxy))]
     public class EcsGroup : IDisposable, IEnumerable<int>, IEntityStorage
     {
diff --git a/src/Collections/EcsSpan.cs b/src/Collections/EcsSpan.cs
index 92a3ac9..db5926f 100644
--- a/src/Collections/EcsSpan.cs
+++ b/src/Collections/EcsSpan.cs
@@ -6,6 +6,11 @@ using System.Runtime.CompilerServices;
 
 namespace DCFApixels.DragonECS
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption (Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [DebuggerTypeProxy(typeof(DebuggerProxy))]
     public readonly ref struct EcsSpan
     {
@@ -37,6 +42,9 @@ namespace DCFApixels.DragonECS
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return new EcsLongsSpan(this); }
         }
+#if ENABLE_IL2CPP
+        [Il2CppSetOption(Option.ArrayBoundsChecks, true)]
+#endif
         public int this[int index]
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -137,6 +145,10 @@ namespace DCFApixels.DragonECS
         #endregion
     }
 
+#if ENABLE_IL2CPP
+    [Il2CppSetOption (Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [DebuggerTypeProxy(typeof(EcsSpan.DebuggerProxy))]
     public readonly ref struct EcsLongsSpan
     {
@@ -162,6 +174,9 @@ namespace DCFApixels.DragonECS
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return _source.Count; }
         }
+#if ENABLE_IL2CPP
+        [Il2CppSetOption(Option.ArrayBoundsChecks, true)]
+#endif
         public entlong this[int index]
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
diff --git a/src/EcsMask.cs b/src/EcsMask.cs
index f1de43d..6f16b76 100644
--- a/src/EcsMask.cs
+++ b/src/EcsMask.cs
@@ -7,6 +7,11 @@ using System.Runtime.CompilerServices;
 
 namespace DCFApixels.DragonECS
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption (Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [DebuggerTypeProxy(typeof(DebuggerProxy))]
     public sealed class EcsMask : IEquatable<EcsMask>
     {
diff --git a/src/EcsWorld.cs b/src/EcsWorld.cs
index 319fc4f..b9b460c 100644
--- a/src/EcsWorld.cs
+++ b/src/EcsWorld.cs
@@ -7,6 +7,9 @@ using System.Runtime.InteropServices;
 
 namespace DCFApixels.DragonECS
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+#endif
     public class EcsWorldConfig
     {
         public static readonly EcsWorldConfig Default = new EcsWorldConfig();
@@ -24,6 +27,10 @@ namespace DCFApixels.DragonECS
             PoolRecycledComponentsCapacity = poolRecycledComponentsCapacity;
         }
     }
+#if ENABLE_IL2CPP
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [DebuggerTypeProxy(typeof(DebuggerProxy))]
     public partial class EcsWorld : IEntityStorage
     {
diff --git a/src/Executors/EcsWhereExecutor.cs b/src/Executors/EcsWhereExecutor.cs
index 6c7ecde..681c2bc 100644
--- a/src/Executors/EcsWhereExecutor.cs
+++ b/src/Executors/EcsWhereExecutor.cs
@@ -2,6 +2,11 @@
 
 namespace DCFApixels.DragonECS
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     public sealed class EcsWhereExecutor<TAspect> : EcsQueryExecutor where TAspect : EcsAspect
     {
         private TAspect _aspect;
diff --git a/src/Executors/EcsWhereToGroupExecutor.cs b/src/Executors/EcsWhereToGroupExecutor.cs
index 669c579..196face 100644
--- a/src/Executors/EcsWhereToGroupExecutor.cs
+++ b/src/Executors/EcsWhereToGroupExecutor.cs
@@ -2,6 +2,11 @@
 
 namespace DCFApixels.DragonECS
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     public sealed class EcsWhereToGroupExecutor<TAspect> : EcsQueryExecutor where TAspect : EcsAspect
     {
         private TAspect _aspect;
diff --git a/src/Internal/EcsTypeCode.cs b/src/Internal/EcsTypeCode.cs
index dfc2e20..d9aae26 100644
--- a/src/Internal/EcsTypeCode.cs
+++ b/src/Internal/EcsTypeCode.cs
@@ -7,6 +7,11 @@ namespace DCFApixels.DragonECS.Internal
 {
     //TODO разработать возможность ручного устанавливания ID типам.
     //это нужно для упрощения разработки сетевух
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     internal static class EcsTypeCode
     {
         private static readonly Dictionary<Type, int> _codes = new Dictionary<Type, int>();
@@ -31,10 +36,18 @@ namespace DCFApixels.DragonECS.Internal
         public static bool Has<T>() { return _codes.ContainsKey(typeof(T)); }
         public static IEnumerable<TypeCodeInfo> GetDeclaredTypes() { return _codes.Select(o => new TypeCodeInfo(o.Key, o.Value)); }
     }
+#if ENABLE_IL2CPP
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     internal static class EcsTypeCodeCache<T>
     {
         public static readonly int code = EcsTypeCode.Get(typeof(T));
     }
+#if ENABLE_IL2CPP
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     internal struct TypeCodeInfo
     {
         public Type type;
diff --git a/src/Internal/IdDispenser.cs b/src/Internal/IdDispenser.cs
index 86850a4..412b2a4 100644
--- a/src/Internal/IdDispenser.cs
+++ b/src/Internal/IdDispenser.cs
@@ -6,9 +6,14 @@ using System.Runtime.CompilerServices;
 
 namespace DCFApixels.DragonECS.Internal
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [Serializable]
     [DebuggerTypeProxy(typeof(DebuggerProxy))]
-    public class IdDispenser : IEnumerable<int>, IReadOnlyCollection<int>
+    internal class IdDispenser : IEnumerable<int>, IReadOnlyCollection<int>
     {
         private const int MIN_SIZE = 4;
 
@@ -24,14 +29,17 @@ namespace DCFApixels.DragonECS.Internal
         /// <summary> Used Count </summary>
         public int Count
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return _usedCount; }
         }
         public int Size
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return _size; }
         }
         public int NullID
         {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get { return _nullID; }
         }
         #endregion
diff --git a/src/Internal/SparseArray.cs b/src/Internal/SparseArray.cs
index 21188c5..b0d3f08 100644
--- a/src/Internal/SparseArray.cs
+++ b/src/Internal/SparseArray.cs
@@ -8,6 +8,11 @@ using System.Runtime.InteropServices;
 
 namespace DCFApixels.DragonECS.Internal
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption(Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     public class SparseArray<TValue>
     {
         public const int MIN_CAPACITY_BITS_OFFSET = 4;
diff --git a/src/Internal/UnsafeArray.cs b/src/Internal/UnsafeArray.cs
index 27db621..3e0609b 100644
--- a/src/Internal/UnsafeArray.cs
+++ b/src/Internal/UnsafeArray.cs
@@ -7,6 +7,11 @@ using System.Runtime.CompilerServices;
 
 namespace DCFApixels.DragonECS.Internal
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption (Option.NullChecks, false)]
+    [Il2CppSetOption(Option.ArrayBoundsChecks, false)]
+#endif
     [DebuggerTypeProxy(typeof(UnsafeArray<>.DebuggerProxy))]
     internal unsafe struct UnsafeArray<T> : IDisposable, IEnumerable<T>
         where T : unmanaged
diff --git a/src/Pools/EcsPool.cs b/src/Pools/EcsPool.cs
index 611f48c..2c01eaa 100644
--- a/src/Pools/EcsPool.cs
+++ b/src/Pools/EcsPool.cs
@@ -6,6 +6,10 @@ using System.Runtime.CompilerServices;
 
 namespace DCFApixels.DragonECS
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption (Option.NullChecks, false)]
+#endif
     /// <summary>Pool for IEcsComponent components</summary>
     public sealed class EcsPool<T> : IEcsPoolImplementation<T>, IEcsStructPool<T>, IEnumerable<T> //IEnumerable<T> - IntelliSense hack
         where T : struct, IEcsComponent
diff --git a/src/Pools/EcsTagPool.cs b/src/Pools/EcsTagPool.cs
index ed7372b..d032b9f 100644
--- a/src/Pools/EcsTagPool.cs
+++ b/src/Pools/EcsTagPool.cs
@@ -6,6 +6,10 @@ using System.Runtime.CompilerServices;
 
 namespace DCFApixels.DragonECS
 {
+#if ENABLE_IL2CPP
+    using Unity.IL2CPP.CompilerServices;
+    [Il2CppSetOption (Option.NullChecks, false)]
+#endif
     public sealed class EcsTagPool<T> : IEcsPoolImplementation<T>, IEcsStructPool<T>, IEnumerable<T> //IEnumerable<T> - IntelliSense hack
         where T : struct, IEcsTagComponent
     {