diff --git a/src/app/core/project.h b/src/app/core/project.h
new file mode 100644
index 00000000..acd3c7fa
--- /dev/null
+++ b/src/app/core/project.h
@@ -0,0 +1,117 @@
+#ifndef YAZE_APP_CORE_PROJECT_H
+#define YAZE_APP_CORE_PROJECT_H
+
+#include <fstream>
+#include <string>
+#include <vector>
+
+#include "absl/status/status.h"
+#include "app/core/common.h"
+
+namespace yaze {
+namespace app {
+
+constexpr absl::string_view kProjectFileExtension = ".yaze";
+constexpr absl::string_view kProjectFileFilter =
+    "Yaze Project Files (*.yaze)\0*.yaze\0";
+constexpr absl::string_view kPreviousRomFilenameDelimiter =
+    "PreviousRomFilename";
+constexpr absl::string_view kEndOfProjectFile = "EndOfProjectFile";
+
+/**
+ * @struct Project
+ * @brief Represents a project in the application.
+ *
+ * A project is a collection of files and resources that are used in the
+ * creation of a Zelda3 hack that can be saved and loaded. This makes it so the
+ * user can have different rom file names for a single project and keep track of
+ * backups.
+ */
+
+struct Project {
+  /**
+   * @brief Creates a new project.
+   *
+   * @param project_name The name of the project.
+   * @param project_path The path to the project.
+   * @return An absl::Status indicating the success or failure of the project
+   * creation.
+   */
+  absl::Status Create(const std::string &project_name,
+                      const std::string &project_path) {
+    name = project_name;
+    filepath = project_path;
+
+    return absl::OkStatus();
+  }
+
+  absl::Status Open(const std::string &project_path) {
+    filepath = project_path;
+    name = project_path.substr(project_path.find_last_of("/") + 1);
+
+    std::ifstream in(project_path + "/" + name + ".yaze");
+
+    if (!in.good()) {
+      return absl::InternalError("Could not open project file.");
+    }
+
+    std::string line;
+    std::getline(in, name);
+    std::getline(in, filepath);
+    std::getline(in, rom_filename_);
+    std::getline(in, code_folder_);
+    std::getline(in, labels_filename_);
+
+    while (std::getline(in, line)) {
+      if (line == kEndOfProjectFile) {
+        break;
+      }
+
+      if (line.find(kPreviousRomFilenameDelimiter) != std::string::npos) {
+        previous_rom_filenames_.push_back(
+            line.substr(line.find(kPreviousRomFilenameDelimiter) +
+                        kPreviousRomFilenameDelimiter.size() + 1));
+      }
+    }
+
+    in.close();
+
+    return absl::OkStatus();
+  }
+
+  absl::Status Save() {
+    std::ofstream out(filepath + "/" + name + ".yaze");
+    if (!out.good()) {
+      return absl::InternalError("Could not open project file.");
+    }
+
+    out << name << std::endl;
+    out << filepath << std::endl;
+    out << rom_filename_ << std::endl;
+    out << code_folder_ << std::endl;
+    out << labels_filename_ << std::endl;
+
+    for (const auto &filename : previous_rom_filenames_) {
+      out << kPreviousRomFilenameDelimiter << " " << filename << std::endl;
+    }
+
+    out << kEndOfProjectFile << std::endl;
+
+    out.close();
+
+    return absl::OkStatus();
+  }
+
+  bool project_opened_ = false;
+  std::string name;
+  std::string filepath;
+  std::string rom_filename_;
+  std::string code_folder_;
+  std::string labels_filename_;
+  std::vector<std::string> previous_rom_filenames_;
+};
+
+}  // namespace app
+}  // namespace yaze
+
+#endif  // YAZE_APP_CORE_PROJECT_H
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