diff --git a/src/Nadeko.Common/NadekoRandom.cs b/src/Nadeko.Common/NadekoRandom.cs
index af56269ec..da7688824 100644
--- a/src/Nadeko.Common/NadekoRandom.cs
+++ b/src/Nadeko.Common/NadekoRandom.cs
@@ -25,20 +25,6 @@ public class NadekoRandom : Random
         _rng.GetBytes(bytes);
         return Math.Abs(BitConverter.ToInt32(bytes, 0)) % maxValue;
     }
-    
-    public byte Next(byte minValue, byte maxValue)
-    {
-        if (minValue > maxValue)
-            throw new ArgumentOutOfRangeException(nameof(maxValue));
-        
-        if (minValue == maxValue)
-            return minValue;
-        
-        var bytes = new byte[1];
-        _rng.GetBytes(bytes);
-        
-        return (byte)((bytes[0] % (maxValue - minValue)) + minValue);
-    }
 
     public override int Next(int minValue, int maxValue)
     {
diff --git a/src/Nadeko.Econ/Gambling/Betflip/BetflipGame.cs b/src/Nadeko.Econ/Gambling/Betflip/BetflipGame.cs
index 7aad2db55..a48f38549 100644
--- a/src/Nadeko.Econ/Gambling/Betflip/BetflipGame.cs
+++ b/src/Nadeko.Econ/Gambling/Betflip/BetflipGame.cs
@@ -12,7 +12,7 @@ public sealed class BetflipGame
 
     public BetflipResult Flip(byte guess, decimal amount)
     {
-        var side = _rng.Next(0, 2);
+        var side = (byte)_rng.Next(0, 2);
         if (side == guess)
         {
             return new BetflipResult()
diff --git a/src/Nadeko.Econ/Gambling/Betroll/BetrollGame.cs b/src/Nadeko.Econ/Gambling/Betroll/BetrollGame.cs
index dc8b17c26..4ad027276 100644
--- a/src/Nadeko.Econ/Gambling/Betroll/BetrollGame.cs
+++ b/src/Nadeko.Econ/Gambling/Betroll/BetrollGame.cs
@@ -13,7 +13,7 @@ public sealed class BetrollGame
 
     public BetrollResult Roll(decimal amount = 0)
     {
-        var roll = _rng.Next(0, 101);
+        var roll = _rng.Next(1, 101);
 
         for (var i = 0; i < _thresholdPairs.Length; i++)
         {
diff --git a/src/Nadeko.Econ/Gambling/Slot/SlotGame.cs b/src/Nadeko.Econ/Gambling/Slot/SlotGame.cs
index 8d64c51a1..b10d7154f 100644
--- a/src/Nadeko.Econ/Gambling/Slot/SlotGame.cs
+++ b/src/Nadeko.Econ/Gambling/Slot/SlotGame.cs
@@ -8,9 +8,9 @@ public class SlotGame
     {
         var rolls = new[]
         {
-            _rng.Next(0, 6),
-            _rng.Next(0, 6),
-            _rng.Next(0, 6)
+            (byte)_rng.Next(0, 6),
+            (byte)_rng.Next(0, 6),
+            (byte)_rng.Next(0, 6)
         };
 
         ref var a = ref rolls[0];
diff --git a/src/NadekoBot/Modules/Gambling/Gambling.cs b/src/NadekoBot/Modules/Gambling/Gambling.cs
index 20f1d4e61..8b3c2cf68 100644
--- a/src/NadekoBot/Modules/Gambling/Gambling.cs
+++ b/src/NadekoBot/Modules/Gambling/Gambling.cs
@@ -875,11 +875,12 @@ public partial class Gambling : GamblingModule<GamblingService>
         public enum GambleTestTarget
         {
             Slot,
+            Betroll,
+            Betflip,
+            BetflipT,
             BetDraw,
             BetDrawHL,
             BetDrawRB,
-            Betflip,
-            BetflipT,
             Lula,
             Rps,
         }
@@ -920,6 +921,7 @@ public partial class Gambling : GamblingModule<GamblingService>
                     GambleTestTarget.BetflipT => (await _gs.BetFlipAsync(ctx.User.Id, 0, 1)).AsT0.Multiplier,
                     GambleTestTarget.Lula => (await _gs.LulaAsync(ctx.User.Id, 0)).AsT0.Multiplier,
                     GambleTestTarget.Rps => (await _gs.RpsAsync(ctx.User.Id, 0, (byte)(i % 3))).AsT0.Multiplier,
+                    GambleTestTarget.Betroll => (await _gs.BetRollAsync(ctx.User.Id, 0)).AsT0.Multiplier,
                     _ => throw new ArgumentOutOfRangeException(nameof(target))
                 };