diff --git a/17/ChronospatialComputer/Program.cs b/17/ChronospatialComputer/Program.cs
index 3751555..5f94bf8 100644
--- a/17/ChronospatialComputer/Program.cs
+++ b/17/ChronospatialComputer/Program.cs
@@ -1,2 +1,24 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+using System.Diagnostics;
+
+if (args.Length is 0)
+{
+  Console.WriteLine("Please provide a path to the input file.");
+  return;
+}
+
+if (File.Exists(args[0]) is false)
+{
+  Console.WriteLine("The provided file does not exist.");
+  return;
+}
+
+var isPart2 = args.Length is 2 && args[1] is "part2";
+var input = await File.ReadAllLinesAsync(args[0]);
+
+var stopwatch = new Stopwatch();
+stopwatch.Start();
+
+// TODO: Implement solution
+
+stopwatch.Stop();
+Console.WriteLine($". ({stopwatch.ElapsedMilliseconds}ms)");
\ No newline at end of file
diff --git a/18/RamRun.Tests/RamRun.Tests.csproj b/18/RamRun.Tests/RamRun.Tests.csproj
new file mode 100644
index 0000000..08faab9
--- /dev/null
+++ b/18/RamRun.Tests/RamRun.Tests.csproj
@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <NoWarn>CA1822</NoWarn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\RamRun\RamRun.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="TUnit" Version="0.5.6" />
+  </ItemGroup>
+
+</Project>
diff --git a/18/RamRun/Program.cs b/18/RamRun/Program.cs
new file mode 100644
index 0000000..5f94bf8
--- /dev/null
+++ b/18/RamRun/Program.cs
@@ -0,0 +1,24 @@
+using System.Diagnostics;
+
+if (args.Length is 0)
+{
+  Console.WriteLine("Please provide a path to the input file.");
+  return;
+}
+
+if (File.Exists(args[0]) is false)
+{
+  Console.WriteLine("The provided file does not exist.");
+  return;
+}
+
+var isPart2 = args.Length is 2 && args[1] is "part2";
+var input = await File.ReadAllLinesAsync(args[0]);
+
+var stopwatch = new Stopwatch();
+stopwatch.Start();
+
+// TODO: Implement solution
+
+stopwatch.Stop();
+Console.WriteLine($". ({stopwatch.ElapsedMilliseconds}ms)");
\ No newline at end of file
diff --git a/18/RamRun/RamRun.csproj b/18/RamRun/RamRun.csproj
new file mode 100644
index 0000000..715a493
--- /dev/null
+++ b/18/RamRun/RamRun.csproj
@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <NoWarn>CA1822</NoWarn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <InternalsVisibleTo Include="$(AssemblyName).Tests" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Include="..\INPUT.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
+</Project>
diff --git a/AdventOfCode2024.sln b/AdventOfCode2024.sln
index 90a87ed..bb82bbf 100644
--- a/AdventOfCode2024.sln
+++ b/AdventOfCode2024.sln
@@ -136,6 +136,16 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ChronospatialComputer", "17
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ChronospatialComputer.Tests", "17\ChronospatialComputer.Tests\ChronospatialComputer.Tests.csproj", "{39A54627-9BBC-4528-9CD8-8FE2A0A152B6}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "18", "18", "{B0A56800-A3EC-44D5-89B7-E1F3F83D8D5D}"
+	ProjectSection(SolutionItems) = preProject
+		18\PROBLEM.md = 18\PROBLEM.md
+		18\INPUT.txt = 18\INPUT.txt
+	EndProjectSection
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RamRun", "18\RamRun\RamRun.csproj", "{05C564A2-EC0E-40D5-AE11-C1DD48F491DA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RamRun.Tests", "18\RamRun.Tests\RamRun.Tests.csproj", "{ADCEF8E2-B613-4145-BA0C-522255589708}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -281,6 +291,14 @@ Global
 		{39A54627-9BBC-4528-9CD8-8FE2A0A152B6}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{39A54627-9BBC-4528-9CD8-8FE2A0A152B6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{39A54627-9BBC-4528-9CD8-8FE2A0A152B6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{05C564A2-EC0E-40D5-AE11-C1DD48F491DA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{05C564A2-EC0E-40D5-AE11-C1DD48F491DA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{05C564A2-EC0E-40D5-AE11-C1DD48F491DA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{05C564A2-EC0E-40D5-AE11-C1DD48F491DA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ADCEF8E2-B613-4145-BA0C-522255589708}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ADCEF8E2-B613-4145-BA0C-522255589708}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ADCEF8E2-B613-4145-BA0C-522255589708}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{ADCEF8E2-B613-4145-BA0C-522255589708}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{1AFE2FF1-A55D-4D86-A9BB-9875CA0D14D8} = {270B7829-6D23-4B34-91FE-D87D533AF2AB}
@@ -317,5 +335,7 @@ Global
 		{F09B818A-200E-4456-A853-D2F01EB46EEF} = {C50481FF-1766-4C51-BEE3-91BEC5642818}
 		{C5C907A7-DAD1-419B-93A8-47AC6FC70DC7} = {C0994C02-8EEC-44C3-845A-C221A7A084D6}
 		{39A54627-9BBC-4528-9CD8-8FE2A0A152B6} = {C0994C02-8EEC-44C3-845A-C221A7A084D6}
+		{05C564A2-EC0E-40D5-AE11-C1DD48F491DA} = {B0A56800-A3EC-44D5-89B7-E1F3F83D8D5D}
+		{ADCEF8E2-B613-4145-BA0C-522255589708} = {B0A56800-A3EC-44D5-89B7-E1F3F83D8D5D}
 	EndGlobalSection
 EndGlobal