diff --git a/experiment_runner.py b/experiment_runner.py
index a6b184f..4786aae 100644
--- a/experiment_runner.py
+++ b/experiment_runner.py
@@ -21,6 +21,7 @@ import subprocess
 import sys
 import textwrap
 import time
+import uuid
 import multiprocessing as mp
 from datetime import datetime
 from pathlib import Path
@@ -326,6 +327,36 @@ def _mk_run_dir(exp_dir: Path, idx: int) -> Path:
     return run_dir
 
 
+def _make_game_ids_unique(run_dirs: Iterable[Path]) -> None:
+    """
+    Ensures every lmvsgame.json in *run_dirs* carries a distinct `"id"`.
+    If a duplicate is found we overwrite it with a fresh 16-char UUID
+    **after** the game has finished but **before** the analysis phase.
+    """
+    seen: set[str] = set()
+
+    for run_dir in run_dirs:
+        json_path = run_dir / "lmvsgame.json"
+        if not json_path.exists():
+            continue                        # should not happen, but be tolerant
+
+        try:
+            meta = json.loads(json_path.read_text(encoding="utf-8"))
+        except Exception:
+            continue                        # invalid JSON → leave unchanged
+
+        gid = str(meta.get("id", "")).strip()
+        if not gid:
+            continue                        # no id field → nothing to fix
+
+        if gid in seen:                     # duplicate → replace
+            meta["id"] = uuid.uuid4().hex[:16]
+            json_path.write_text(json.dumps(meta, indent=2), encoding="utf-8")
+            gid = meta["id"]
+
+        seen.add(gid)
+
+
 def _dump_seed(seed: int, run_dir: Path) -> None:
     seed_file = run_dir / "seed.txt"
     if not seed_file.exists():
@@ -507,6 +538,11 @@ def main() -> None:
         json.dump([res._asdict() for res in runs_meta], fh, indent=2, default=str)
     log.info("Run summary written → %s", summary_path)
 
+    # ------------------------------------------------------------------
+    #  De-duplicate game IDs (critical-state runs reuse the snapshot ID)
+    # ------------------------------------------------------------------
+    _make_game_ids_unique([r.run_dir for r in runs_meta])
+
     # ------------------------------------------------------------------ #
     #  Post-analysis pipeline                                            #
     # ------------------------------------------------------------------ #
diff --git a/experiment_runner/analysis/statistical_game_analysis.py b/experiment_runner/analysis/statistical_game_analysis.py
index 6332623..5ec0ca4 100644
--- a/experiment_runner/analysis/statistical_game_analysis.py
+++ b/experiment_runner/analysis/statistical_game_analysis.py
@@ -220,7 +220,17 @@ def _plot_relationships_per_game(
     jitter_step = 0.04                          # vertical gap between stacked points
 
     for game_id, game_df in all_phase.groupby("game_id", sort=False):
-        # dense phase ordering (0 … n-1)
+        # ── make sure rel_dict exists ───────────────────────────────
+        if "rel_dict" not in game_df.columns:
+            game_df = game_df.copy()
+            game_df["rel_dict"] = game_df["relationships"].apply(_parse_relationships)
+
+        # ── NEW: discard rows with no relationship info ────────────
+        game_df = game_df[game_df["rel_dict"].apply(bool)]
+        if game_df.empty:               # nothing left to plot
+            continue
+
+        # ── dense phase ordering (0 … n-1) on the surviving phases ─
         phase_labels = sorted(game_df["game_phase"].unique(), key=_phase_sort_key)
         phase_to_x   = {ph: idx for idx, ph in enumerate(phase_labels)}
         fig_w = max(8, len(phase_labels) * 0.1 + 4)
@@ -335,7 +345,14 @@ def _plot_relationships_per_game(
             plt.xticks(list(phase_to_x.values()), phase_labels, rotation=90, fontsize=8)
             margin = 0.1
             plt.ylim(y_min - margin, y_max + margin)
-            plt.ylabel("Relationship value (−2 … +2)")
+
+            # ── custom y-tick labels ────────────────────────────────────
+            plt.yticks(
+                [-2, -1, 0, 1, 2],
+                ["Enemy", "Unfriendly", "Neutral", "Friendly", "Ally"],
+            )
+
+            plt.ylabel("Relationship value")
             plt.xlabel("Game phase")
             plt.title(f"{focal} Relationships – {run_label}")
             plt.legend(ncol=3, fontsize=8)
@@ -347,7 +364,6 @@ def _plot_relationships_per_game(
 
 
 
-
 def _plot_phase_level(
     all_phase: pd.DataFrame,
     plot_dir: Path,