diff --git a/.github/workflows/deploy-development-docker-image.yml b/.github/workflows/deploy-development-docker-image.yml
index 04577cb..5b8f195 100644
--- a/.github/workflows/deploy-development-docker-image.yml
+++ b/.github/workflows/deploy-development-docker-image.yml
@@ -12,7 +12,7 @@ env:
 
 jobs:
   build-and-push-image:
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: write
diff --git a/.github/workflows/deploy-docker-image-on-release.yml b/.github/workflows/deploy-docker-image-on-release.yml
index 8bf0302..417f940 100644
--- a/.github/workflows/deploy-docker-image-on-release.yml
+++ b/.github/workflows/deploy-docker-image-on-release.yml
@@ -17,7 +17,7 @@ env:
 
 jobs:
   build-and-push-image:
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: write
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0dd3bda..15a03e9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,7 +6,7 @@ on:
 jobs:
   build:
     name: Test
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
 
 
     services:
diff --git a/src/main/java/de/unistuttgart/bugfinder/gameresult/GameResultDTO.java b/src/main/java/de/unistuttgart/bugfinder/gameresult/GameResultDTO.java
index 15cf6ea..f912258 100644
--- a/src/main/java/de/unistuttgart/bugfinder/gameresult/GameResultDTO.java
+++ b/src/main/java/de/unistuttgart/bugfinder/gameresult/GameResultDTO.java
@@ -23,7 +23,14 @@ public class GameResultDTO {
    */
   List<SubmittedSolutionDTO> submittedSolutions;
 
+  /**
+   * The score achieved in the game.
+   */
   long score;
+
+  /**
+   * The reward-coins that the player achieved in the current round.
+   */
   int rewards;
 
 }
diff --git a/src/main/java/de/unistuttgart/bugfinder/gameresult/GameResultService.java b/src/main/java/de/unistuttgart/bugfinder/gameresult/GameResultService.java
index bcc2794..a38e92d 100644
--- a/src/main/java/de/unistuttgart/bugfinder/gameresult/GameResultService.java
+++ b/src/main/java/de/unistuttgart/bugfinder/gameresult/GameResultService.java
@@ -213,14 +213,19 @@ private long calculateScoreFromCodeScores(final Map<Code, Long> codeScore) {
       .orElse(MAX_SCORE);
   }
 
-
-
   /**
-   * This method calculates the rewards for one bugfinder round based on the gained scores in the
-   * current round
-   * @param score
-   * @return gained rewards
+   * Calculates the rewards for a bugfinder round based on the score achieved in the current round.
+   *
+   * Reward logic:
+   * - First three rounds with a score of 100%: 10 coins per round.
+   * - After the third round, if the score is 100%: 5 coins per round.
+   * - If the score is less than 100%, the reward is calculated as: score / 10.
+   *
+   * @param score the score achieved in the game (must be >= 0)
+   * @return the number of rewards as an integer
+   * @throws IllegalArgumentException if score is less than 0
    */
+
   private int calculateRewards(final long score) {
     if (score < 0 || score > MAX_SCORE) {
       throw new IllegalArgumentException("Score must be between 0 and " + MAX_SCORE);
diff --git a/src/main/java/de/unistuttgart/bugfinder/gameresult/OverworldResultDTO.java b/src/main/java/de/unistuttgart/bugfinder/gameresult/OverworldResultDTO.java
index dc6a0aa..d982c36 100644
--- a/src/main/java/de/unistuttgart/bugfinder/gameresult/OverworldResultDTO.java
+++ b/src/main/java/de/unistuttgart/bugfinder/gameresult/OverworldResultDTO.java
@@ -19,7 +19,16 @@ public class OverworldResultDTO {
 
   final String game = "BUGFINDER"; //NOSONAR
   UUID configurationId;
+
+  /**
+   * The score achieved in the game.
+   */
   long score;
+
   String userId;
+
+  /**
+   * The reward-coins that the player achieved in the current round.
+   */
   int rewards;
 }