diff --git a/TODO.txt b/TODO.txt
new file mode 100644
index 0000000..14ab0ed
--- /dev/null
+++ b/TODO.txt
@@ -0,0 +1,14 @@
+BUGS
+====
+
+* Fix "random" bug
+* Pull fuzzie tree
+
+
+Requests
+========
+
+* Keep 12 hours of runs (720 runs)
+* Merge devdsp fixes (https://github.com/devdsp/tanks/commits/master)
+* Fix leaderboard
+* Read sensors from "sensors" and not "sensor[0-9]"
diff --git a/ctanks.h b/ctanks.h
index e540d2d..4086176 100644
--- a/ctanks.h
+++ b/ctanks.h
@@ -12,7 +12,7 @@
 #define TANK_CANNON_RECHARGE 20 /* Turns to recharge cannon */
 #define TANK_CANNON_RANGE    (TANK_SENSOR_RANGE / 2)
 #define TANK_MAX_ACCEL       35
-#define TANK_MAX_TURRET_ROT  (TAU/20)
+#define TANK_MAX_TURRET_ROT  (TAU/8)
 #define TANK_TOP_SPEED       7
 
 /* (tank radius + tank radius)^2 */
diff --git a/run-tanks b/run-tanks
index 854aec9..3cabab8 100755
--- a/run-tanks
+++ b/run-tanks
@@ -24,6 +24,11 @@ expr $next + 1 > next-round
 fn=$(printf "round-%04d.html" $next)
 rfn=results$$.txt
 
+# Clean up old games
+ofn=$(printf "round-%04d.html" $(expr $next - 20))
+echo "Removing $ofn"
+rm -f $ofn
+
 
 echo -n "Running round $next... "
 cat <<EOF >$fn
diff --git a/summary.awk b/summary.awk
index fadcc3d..bb16356 100755
--- a/summary.awk
+++ b/summary.awk
@@ -75,7 +75,7 @@ BEGIN {
     print "    <h2>Rounds</h2>";
     print "    <ul>";
     getline rounds < "next-round";
-    for (i = rounds - 1; i >= 0; i -= 1) {
+    for (i = rounds - 1; i >= rounds - 21; i -= 1) {
         printf("<li><a href=\"round-%04d.html\">%04d</a></li>\n", i, i);
     }
     print "    </ul>";