diff --git a/overlay/rootfs/usr/bin/snake b/overlay/rootfs/usr/bin/snake
index 4f100a5..a731467 100755
Binary files a/overlay/rootfs/usr/bin/snake and b/overlay/rootfs/usr/bin/snake differ
diff --git a/overlay/rootfs/usr/bin/tetris b/overlay/rootfs/usr/bin/tetris
index 0f34ed5..d6d8988 100755
Binary files a/overlay/rootfs/usr/bin/tetris and b/overlay/rootfs/usr/bin/tetris differ
diff --git a/prebuilt/games/usr/bin/snake b/prebuilt/games/usr/bin/snake
index 4f100a5..a731467 100755
Binary files a/prebuilt/games/usr/bin/snake and b/prebuilt/games/usr/bin/snake differ
diff --git a/prebuilt/games/usr/bin/tetris b/prebuilt/games/usr/bin/tetris
index 0f34ed5..d6d8988 100755
Binary files a/prebuilt/games/usr/bin/tetris and b/prebuilt/games/usr/bin/tetris differ
diff --git a/src/games/snake.cpp b/src/games/snake.cpp
index 8c9cad9..67dca9a 100644
--- a/src/games/snake.cpp
+++ b/src/games/snake.cpp
@@ -228,7 +228,8 @@ static void step() {
     update_speed();
     place_food();
   }
-  nextTick = now_ms() + speed;
+  if (nextTick < now_ms()) nextTick = now_ms();
+  nextTick += speed;
 }
 
 static void draw_text(int x, int y, int scale, unsigned long col, const char* s) {
@@ -407,7 +408,7 @@ int main() {
   render();
 
   int xfd = ConnectionNumber(dpy);
-  const unsigned long FRAME_MS = 1000 / 60;  // 60 fps rendering
+  const unsigned long FRAME_MS = 1000 / 30;  // 30 fps rendering
   unsigned long frameStart = now_ms();
 
   while (running) {
@@ -425,7 +426,8 @@ int main() {
     // Game logic step at its own rate
     if (now >= nextTick) {
       if (state == PLAYING) step();
-      nextTick = now + (state == PLAYING ? speed : 80);
+      if (nextTick < now) nextTick = now;
+      nextTick += (state == PLAYING ? speed : 80);
     }
 
     // Render every frame
diff --git a/src/games/tetris.cpp b/src/games/tetris.cpp
index f539ac2..48ebfd1 100644
--- a/src/games/tetris.cpp
+++ b/src/games/tetris.cpp
@@ -520,7 +520,7 @@ int main() {
   render();
 
   int xfd = ConnectionNumber(dpy);
-  const unsigned long FRAME_MS = 1000 / 60;  // 60 fps rendering
+  const unsigned long FRAME_MS = 1000 / 30;  // 30 fps rendering
   unsigned long frameStart = now_ms();
 
   while (running) {
@@ -538,7 +538,8 @@ int main() {
     // Game logic step at its own rate
     if (now >= nextTick) {
       if (state == PLAYING) step();
-      nextTick = now + (state == PLAYING ? speed : 80);
+      if (nextTick < now) nextTick = now;
+      nextTick += (state == PLAYING ? speed : 80);
     }
 
     // Render every frame