diff --git a/AdventOfCode/AdventOfCode.csproj b/AdventOfCode/AdventOfCode.csproj
index d545b0f..a308fbc 100644
--- a/AdventOfCode/AdventOfCode.csproj
+++ b/AdventOfCode/AdventOfCode.csproj
@@ -42,6 +42,7 @@
 	<None Remove="Problems\AOC2022\Day9\test.txt" />
 	<None Remove="Problems\AOC2022\Day9\test2.txt" />
 	<None Remove="problems\aoc2023\day1\input.txt" />
+	<None Remove="problems\aoc2023\day2\input.txt" />
   </ItemGroup>
 
 
diff --git a/AdventOfCode/Problems/AOC2023/Day1/Trebuchet.cs b/AdventOfCode/Problems/AOC2023/Day1/Trebuchet.cs
index 83de249..8402a62 100644
--- a/AdventOfCode/Problems/AOC2023/Day1/Trebuchet.cs
+++ b/AdventOfCode/Problems/AOC2023/Day1/Trebuchet.cs
@@ -73,7 +73,7 @@ public partial class Trebuchet : Problem<int, int>
 		var (left, right) = (0, 0);
 		for (int i = 0; i < line.Length; i++)
 		{
-			var word = _numberWords.FirstOrDefault(v => line[i..].StartsWith(v.word), (word: "", value: -1)).value;
+			var word = _numberWords.FirstOrDefault(v => line[i..].StartsWith(v.word, StringComparison.Ordinal), (word: "", value: -1)).value;
 			if (word != -1)
 			{
 				left = word;
@@ -87,7 +87,7 @@ public partial class Trebuchet : Problem<int, int>
 		
 		for (int i = line.Length - 1; i >= 0; i--)
 		{
-			var word = _numberWords.FirstOrDefault(v => line[..(i + 1)].EndsWith(v.word), (word: "", value: -1)).value;
+			var word = _numberWords.FirstOrDefault(v => line[..(i + 1)].EndsWith(v.word, StringComparison.Ordinal), (word: "", value: -1)).value;
 			if (word != -1)
 			{
 				right = word;
diff --git a/AdventOfCode/Problems/AOC2023/Day2/CubeConundrum.cs b/AdventOfCode/Problems/AOC2023/Day2/CubeConundrum.cs
new file mode 100644
index 0000000..5310486
--- /dev/null
+++ b/AdventOfCode/Problems/AOC2023/Day2/CubeConundrum.cs
@@ -0,0 +1,36 @@
+using AdventOfCode.Runner.Attributes;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventOfCode.Problems.AOC2023.Day2;
+[ProblemInfo(2023, 2, "Cube Conundrum")]
+internal class CubeConundrum : Problem<int, int>
+{
+	private CubeGame[] _gameInfo = [];
+
+	public override void LoadInput()
+	{
+		var lines = ReadInputLines();
+		_gameInfo = lines.Select(l => new CubeGame(l)).ToArray();
+	}
+
+	public override void CalculatePart1()
+	{
+		Part1 = FindPossibleGames(new CubeRound(12, 13, 14)).Sum();
+	}
+
+	public override void CalculatePart2()
+	{
+		Part2 = _gameInfo.Select(g => g.GetMinimalConstraints().Power()).Sum();
+	}
+
+	public IEnumerable<int> FindPossibleGames(CubeRound constraints)
+	{
+		return _gameInfo.Where(g => !g.Rounds.Any(r => !r.IsPossible(constraints)))
+			.Select(r => r.Id);
+	}
+}
diff --git a/AdventOfCode/Problems/AOC2023/Day2/CubeGame.cs b/AdventOfCode/Problems/AOC2023/Day2/CubeGame.cs
new file mode 100644
index 0000000..8fe8283
--- /dev/null
+++ b/AdventOfCode/Problems/AOC2023/Day2/CubeGame.cs
@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection.PortableExecutable;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AdventOfCode.Problems.AOC2023.Day2;
+
+internal class CubeGame
+{
+	public CubeRound[] Rounds { get; }
+
+	public int Id { get; }
+
+	public CubeGame(string line)
+	{
+		var info = line.Split(':');
+		Id = int.Parse(info[0].Split(' ')[^1]);
+
+		var roundsData = info[1].Split(';');
+		Rounds = new CubeRound[roundsData.Length];
+		for (int i = 0; i < roundsData.Length; i++)
+			Rounds[i] = CubeRound.ParseRound(roundsData[i]);
+	}
+
+	public CubeRound GetMinimalConstraints() 
+	{
+		var (r, g, b) = (0, 0, 0);
+		foreach (var round in Rounds)
+		{
+			if(round.Red > r)
+				r = round.Red;
+			if (round.Green > g)
+				g = round.Green;
+			if (round.Blue > b)
+				b = round.Blue;
+		}
+		return new CubeRound(r, g, b);
+	}
+}
+
+internal record struct CubeRound(int Red, int Green, int Blue)
+{
+	public static CubeRound ParseRound(string round)
+	{
+		var cubes = round.Split(',');
+		var (r, g, b) = (0, 0, 0);
+
+		foreach (var cube in cubes)
+		{
+			var info = cube.TrimStart().Split(' ');
+			var count = int.Parse(info[0]);
+			switch (info[1])
+			{
+				case "red":
+					r = count;
+					break;
+
+				case "green":
+					g = count;
+					break;
+
+				case "blue":
+					b = count;
+					break;
+			}
+		}
+		return new CubeRound(r, g, b);
+	}
+
+	public readonly bool IsPossible(CubeRound constraints)
+	{
+		if(Red > constraints.Red)
+			return false;
+		if (Green > constraints.Green)
+			return false;
+		if (Blue > constraints.Blue)
+			return false;
+
+		return true;
+	}
+
+	public readonly int Power()
+	{
+		return Red * Green * Blue;
+	}
+};
diff --git a/AdventOfCode/Problems/AOC2023/Day2/input.txt b/AdventOfCode/Problems/AOC2023/Day2/input.txt
new file mode 100644
index 0000000..40d82d9
--- /dev/null
+++ b/AdventOfCode/Problems/AOC2023/Day2/input.txt
@@ -0,0 +1,100 @@
+Game 1: 1 red, 5 blue, 1 green; 16 blue, 3 red; 6 blue, 5 red; 4 red, 7 blue, 1 green
+Game 2: 4 blue; 4 red, 3 blue, 1 green; 4 red, 9 blue, 2 green; 5 blue, 7 green, 4 red
+Game 3: 10 blue; 7 blue, 1 green; 19 blue, 1 green, 9 red
+Game 4: 2 green; 14 blue, 14 red, 4 green; 12 red, 11 green, 13 blue; 5 green, 9 red, 4 blue; 9 red, 7 green, 12 blue; 2 green, 3 blue, 8 red
+Game 5: 3 blue, 4 red; 12 red, 2 green, 15 blue; 1 red, 10 blue, 1 green
+Game 6: 1 blue, 7 red; 3 green, 5 red, 1 blue; 1 green, 7 red; 6 red, 1 blue, 4 green; 1 green, 8 red, 1 blue; 2 green, 4 red, 1 blue
+Game 7: 11 green, 10 blue, 2 red; 1 green, 12 blue, 2 red; 9 green, 14 blue; 1 red, 19 blue, 15 green
+Game 8: 4 green, 2 red, 14 blue; 9 green, 1 red, 15 blue; 2 green, 9 red, 8 blue; 11 green, 7 red, 8 blue; 9 red, 7 green, 6 blue
+Game 9: 4 blue, 1 green, 2 red; 1 blue, 3 red; 1 red, 3 blue, 3 green
+Game 10: 4 red, 3 green, 6 blue; 2 green, 15 blue, 6 red; 3 green, 2 blue; 2 red, 1 green; 11 blue, 7 red, 4 green; 2 blue, 2 red, 4 green
+Game 11: 10 red, 1 green, 7 blue; 5 red, 2 green, 7 blue; 2 green, 4 blue; 1 green, 10 red, 10 blue; 8 blue, 4 red
+Game 12: 6 green, 2 blue, 7 red; 3 green, 2 blue, 3 red; 6 red, 1 blue, 9 green; 9 green, 13 red, 5 blue; 6 green, 4 blue, 8 red
+Game 13: 10 green, 4 red, 6 blue; 19 red, 6 green, 7 blue; 6 blue, 5 red, 8 green
+Game 14: 4 blue, 2 green; 19 blue; 6 red, 17 blue; 10 blue, 7 red; 1 green, 2 blue, 7 red
+Game 15: 4 green, 12 blue, 15 red; 10 blue, 18 green, 13 red; 20 blue, 6 green, 10 red; 20 red, 12 blue, 13 green; 12 blue, 17 green, 10 red; 1 red, 3 blue, 7 green
+Game 16: 1 blue, 6 red, 5 green; 3 red, 3 green; 5 green, 1 red; 2 red, 1 blue, 6 green; 1 blue, 1 red, 6 green; 1 blue, 6 green
+Game 17: 4 red, 3 blue, 3 green; 8 blue, 8 green; 5 red, 3 green, 9 blue; 9 green, 12 blue, 13 red; 1 green, 1 blue, 5 red; 7 green, 6 red
+Game 18: 2 green, 11 blue, 6 red; 2 green, 11 red, 2 blue; 7 red, 4 blue, 9 green; 18 blue, 6 red, 1 green
+Game 19: 4 red, 7 green, 17 blue; 5 green, 6 red, 4 blue; 4 blue, 4 red, 1 green
+Game 20: 2 blue, 5 green, 9 red; 4 green, 8 red, 10 blue; 7 blue, 9 red, 1 green; 1 green, 10 blue, 9 red; 1 green, 8 red; 8 blue, 8 red, 1 green
+Game 21: 1 blue, 14 red; 1 green, 2 red; 9 red, 1 blue, 1 green
+Game 22: 7 green, 9 red, 4 blue; 9 red, 7 green, 9 blue; 8 green, 14 red; 5 blue; 10 red, 1 blue, 1 green; 8 green
+Game 23: 2 red, 12 green, 5 blue; 3 red, 5 blue, 3 green; 1 red, 9 green, 1 blue; 8 green, 6 blue; 13 green
+Game 24: 8 red, 7 green, 1 blue; 1 red, 6 green, 7 blue; 1 green, 3 red
+Game 25: 4 green, 2 red; 1 red, 2 green, 8 blue; 1 green; 8 blue
+Game 26: 1 green, 4 blue, 17 red; 15 red, 3 green, 3 blue; 2 blue, 2 red; 18 red, 2 green, 11 blue; 6 red, 7 blue; 10 blue, 1 green, 4 red
+Game 27: 2 red, 5 blue, 1 green; 14 green, 2 red, 6 blue; 1 red, 4 blue, 14 green
+Game 28: 3 red, 5 green, 2 blue; 2 red, 3 green, 4 blue; 1 red, 9 green, 3 blue; 13 green, 4 red, 4 blue
+Game 29: 18 red, 11 green; 4 blue, 18 red, 9 green; 16 red, 2 green, 4 blue; 2 red, 3 blue, 12 green; 1 green, 18 red; 2 blue, 15 green, 1 red
+Game 30: 10 red, 3 blue, 1 green; 6 red, 1 blue, 3 green; 2 green, 2 blue, 10 red; 6 green; 3 blue, 15 red
+Game 31: 1 blue, 7 green, 2 red; 12 red, 8 green, 4 blue; 2 green, 2 blue, 5 red; 2 blue, 3 green, 12 red; 7 red, 5 green, 4 blue; 7 red, 1 blue
+Game 32: 4 blue, 5 red, 11 green; 20 red, 8 green, 1 blue; 10 red, 7 green, 1 blue; 1 blue, 7 red, 2 green; 1 red, 19 green, 3 blue
+Game 33: 9 red; 9 red, 6 green, 7 blue; 5 red, 7 blue, 2 green
+Game 34: 5 green, 5 red, 3 blue; 8 green, 6 blue, 16 red; 12 blue, 8 red, 8 green; 1 blue, 10 red, 3 green; 1 green, 13 blue, 18 red; 4 blue, 5 green, 8 red
+Game 35: 15 green, 4 red, 8 blue; 7 red, 1 green, 14 blue; 12 green, 16 blue, 2 red
+Game 36: 3 blue, 3 green, 2 red; 7 red, 8 blue; 11 blue, 9 red; 4 red, 13 blue, 1 green
+Game 37: 4 red, 11 blue, 8 green; 6 green, 4 blue, 14 red; 5 blue, 7 green, 13 red; 6 red, 2 green, 5 blue; 4 red, 3 blue, 1 green; 6 red, 4 green, 6 blue
+Game 38: 10 green, 5 blue, 1 red; 3 red, 6 blue, 3 green; 9 green, 9 blue, 3 red; 9 blue, 1 red, 6 green
+Game 39: 3 blue, 16 red; 10 red, 4 green, 2 blue; 2 blue, 13 red, 1 green; 2 blue, 11 red, 2 green; 3 green, 13 red
+Game 40: 2 blue, 3 red, 2 green; 2 green, 2 blue, 6 red; 1 green, 9 red
+Game 41: 1 blue, 12 red; 8 blue, 1 red, 5 green; 1 green, 7 blue, 13 red; 8 red, 7 blue, 7 green; 4 green, 17 red, 9 blue; 2 green, 8 blue
+Game 42: 2 green, 6 red, 1 blue; 3 red, 2 green; 9 red, 1 green; 2 red, 2 green
+Game 43: 10 blue, 9 red; 14 blue, 4 green; 5 red, 3 green, 9 blue; 5 blue, 8 green, 1 red
+Game 44: 3 blue, 10 green, 1 red; 1 blue, 13 red, 3 green; 1 blue, 5 green, 16 red
+Game 45: 1 red, 1 green, 3 blue; 2 green, 1 red, 5 blue; 1 red, 2 blue, 1 green; 1 blue; 1 green, 5 blue; 1 blue
+Game 46: 8 green, 8 blue, 4 red; 10 green, 4 red, 7 blue; 2 red, 3 green, 14 blue
+Game 47: 3 green, 3 red; 5 green, 2 blue, 6 red; 3 blue, 5 red, 15 green; 2 green, 2 blue, 2 red
+Game 48: 11 blue, 12 green, 3 red; 8 blue, 3 red, 3 green; 1 green, 6 blue, 2 red
+Game 49: 3 blue, 17 green, 1 red; 4 red, 16 blue, 17 green; 1 green, 3 red, 5 blue; 14 blue, 1 red, 12 green
+Game 50: 2 blue, 5 red, 6 green; 8 blue, 11 green, 5 red; 2 green, 2 red, 6 blue
+Game 51: 1 green, 2 red; 4 green; 1 blue, 10 green
+Game 52: 8 blue, 9 red, 4 green; 2 green, 8 blue, 2 red; 1 red, 2 green, 1 blue; 2 blue, 8 green, 8 red; 4 red, 1 green, 9 blue; 11 blue, 4 green, 8 red
+Game 53: 1 green, 2 red; 3 blue, 1 green, 9 red; 5 blue, 11 red; 4 blue, 6 red, 1 green; 5 blue, 10 red; 5 blue, 5 red, 1 green
+Game 54: 1 blue, 8 green; 9 green, 1 red, 11 blue; 16 green, 8 blue; 5 green
+Game 55: 7 blue, 2 red, 1 green; 16 green, 19 blue, 5 red; 9 green, 3 blue, 7 red; 8 blue, 2 green, 4 red; 8 green, 15 blue, 5 red
+Game 56: 9 blue, 1 red, 4 green; 12 green, 12 blue; 1 green, 1 red, 5 blue
+Game 57: 1 green, 10 blue; 1 red, 9 blue; 10 blue, 1 red, 3 green
+Game 58: 6 red, 15 blue, 3 green; 13 blue, 5 red; 10 blue, 2 red; 5 red, 1 green, 14 blue
+Game 59: 7 red, 1 blue, 9 green; 4 green, 12 red, 2 blue; 6 green, 20 red, 1 blue; 4 blue, 9 red, 2 green; 8 red, 4 blue, 2 green
+Game 60: 11 red, 8 blue, 1 green; 18 green, 11 blue; 16 red, 10 blue, 7 green; 6 blue, 8 red; 7 red, 15 green, 4 blue
+Game 61: 1 blue, 1 green, 8 red; 3 red, 7 blue; 4 blue, 10 red; 1 green, 5 red, 8 blue; 10 red, 7 blue
+Game 62: 12 blue, 1 red, 1 green; 2 green, 1 red, 7 blue; 3 green, 18 blue; 11 blue, 4 green
+Game 63: 4 green, 4 red, 8 blue; 7 red, 5 blue, 5 green; 2 green, 20 blue, 4 red; 1 green, 4 blue, 3 red
+Game 64: 2 green, 2 red; 3 green, 2 blue; 12 green, 2 red, 4 blue; 5 red, 9 green, 8 blue; 7 blue, 6 green; 3 green, 5 red
+Game 65: 8 red, 2 green, 13 blue; 11 blue; 7 blue, 2 green; 12 blue, 1 green, 9 red
+Game 66: 1 blue, 3 red, 19 green; 3 red, 17 blue, 15 green; 9 green, 9 blue
+Game 67: 2 green, 7 blue, 1 red; 3 green, 1 red, 7 blue; 1 red, 6 green; 7 blue, 2 red, 10 green; 2 red, 5 green, 4 blue
+Game 68: 14 red, 10 green, 8 blue; 11 red, 1 blue, 6 green; 7 red, 7 green; 12 blue, 10 green, 3 red; 6 red, 12 blue, 10 green; 8 green, 14 red, 3 blue
+Game 69: 4 green, 8 red; 2 red, 15 green; 5 red, 1 blue, 12 green; 13 red, 6 green; 10 green, 13 red, 1 blue
+Game 70: 3 red, 10 blue, 3 green; 8 red, 11 blue, 11 green; 5 red, 13 green
+Game 71: 18 green, 3 red, 1 blue; 3 blue, 14 green, 2 red; 6 blue, 20 green, 4 red
+Game 72: 2 blue, 1 red; 2 blue, 3 green, 1 red; 4 blue, 2 red, 4 green
+Game 73: 11 red, 11 green; 5 green, 1 blue; 8 red, 7 green, 4 blue; 5 blue, 7 red, 12 green
+Game 74: 12 red, 12 green, 5 blue; 10 red, 7 blue, 15 green; 6 green, 19 red, 19 blue; 3 red, 7 blue, 16 green; 11 red, 14 green, 16 blue
+Game 75: 5 red, 17 green, 8 blue; 10 red, 8 blue, 19 green; 9 blue, 6 red, 18 green; 3 blue, 13 red, 12 green
+Game 76: 5 green, 2 red, 8 blue; 3 blue, 14 red, 2 green; 14 red, 1 blue; 3 green, 8 blue, 15 red; 11 red, 1 green; 11 red, 9 blue, 3 green
+Game 77: 3 blue, 2 red; 1 blue, 8 green, 11 red; 14 green, 14 red; 3 red, 5 green, 5 blue; 2 green, 16 blue, 3 red; 13 red, 7 green, 5 blue
+Game 78: 3 blue, 1 green, 1 red; 5 blue, 1 green, 1 red; 9 blue, 7 red, 1 green; 5 blue, 1 green, 5 red; 10 blue, 3 green, 7 red
+Game 79: 19 green, 17 blue, 4 red; 7 green, 7 red, 16 blue; 4 red, 10 green; 13 blue, 17 green, 2 red
+Game 80: 9 blue, 3 green; 15 blue, 1 red; 3 blue, 12 green, 2 red; 1 red, 14 green, 13 blue; 1 red, 10 blue, 16 green; 8 blue, 6 green, 2 red
+Game 81: 1 green, 3 red, 19 blue; 2 red, 1 green, 9 blue; 1 green, 2 red, 8 blue; 1 red, 1 green, 11 blue; 1 green, 3 red, 11 blue
+Game 82: 8 red, 1 blue, 4 green; 9 green, 3 blue, 4 red; 3 green, 3 blue, 18 red
+Game 83: 3 red, 13 blue, 16 green; 16 green, 2 blue; 14 green, 12 blue; 8 green, 14 blue, 4 red; 12 green, 4 blue; 20 green, 1 red
+Game 84: 4 green, 4 blue, 5 red; 6 red, 6 blue, 8 green; 5 blue, 12 green, 3 red; 5 red, 13 green; 6 blue, 1 green, 5 red
+Game 85: 10 green; 7 green, 1 blue; 5 red, 5 blue, 1 green; 2 green, 2 red, 3 blue; 3 red, 10 green, 3 blue; 1 blue, 1 red
+Game 86: 3 green, 1 red, 3 blue; 2 red, 2 green; 9 green, 2 blue, 3 red; 3 red, 3 blue, 4 green
+Game 87: 6 red, 4 green; 1 red, 3 green, 5 blue; 1 green, 7 blue, 4 red
+Game 88: 2 green, 4 red, 3 blue; 5 green, 1 blue; 3 red, 5 green, 2 blue; 1 green, 6 red, 1 blue; 7 red, 2 blue; 17 red, 13 green
+Game 89: 4 green, 2 blue, 6 red; 15 red, 7 green, 10 blue; 7 red, 9 blue, 4 green
+Game 90: 9 red, 17 blue; 1 green, 9 blue; 5 red, 8 blue; 3 blue, 9 red, 1 green; 17 blue, 1 red
+Game 91: 7 green, 3 red, 5 blue; 4 blue, 3 red, 9 green; 9 red, 7 blue, 7 green; 5 red, 6 blue, 3 green; 10 red, 2 green, 6 blue
+Game 92: 13 blue, 8 red; 7 green, 1 red, 8 blue; 5 blue, 4 red, 2 green; 9 red, 10 blue
+Game 93: 6 green; 1 blue, 16 green, 6 red; 5 green, 1 blue, 5 red; 5 red, 6 green; 16 green, 2 red, 1 blue; 11 green, 2 red
+Game 94: 9 blue, 4 green; 12 green, 17 blue; 4 green, 5 blue, 6 red; 2 red, 2 blue, 12 green
+Game 95: 5 red, 4 blue, 5 green; 2 blue, 4 green, 4 red; 4 blue, 2 red, 7 green; 1 green, 7 blue, 8 red
+Game 96: 7 blue, 6 green, 2 red; 3 green, 1 blue; 7 blue, 3 red, 5 green; 1 green, 5 blue; 6 blue, 2 red; 2 green, 1 red
+Game 97: 10 red, 1 green, 1 blue; 4 green, 11 red, 2 blue; 4 red, 1 blue, 4 green
+Game 98: 3 green, 4 blue, 7 red; 7 red, 8 green; 7 green, 16 red, 1 blue; 8 green, 2 blue, 4 red; 5 green, 3 blue, 18 red
+Game 99: 6 green, 12 red, 1 blue; 5 blue, 1 red, 7 green; 5 green, 7 red, 10 blue; 8 blue, 1 red, 7 green; 17 red, 4 blue, 9 green
+Game 100: 6 blue, 10 green; 3 green, 4 blue, 1 red; 7 blue, 1 red, 12 green
\ No newline at end of file