diff --git a/game.c b/game.c
index f59f320..6c110f3 100644
--- a/game.c
+++ b/game.c
@@ -92,13 +92,33 @@ void handle_input(Game *g) {
       mouse_pos = GetMousePosition();
       for (int i = 0; i < g->player_hand.count; i++) {
 	if (point_within_card(g->player_hand.cards[i], mouse_pos)) {
-	  // g->selected_card = g->player_hand.cards[i];
+	  for (int j = 0; j < 48; j++) {
+	    g->cards[j].selected = false;
+	  }
+	  g->player_hand.cards[i]->selected = true;
 	  break;
 	}
       }
     }
     break;
   case GAME_STATE_PLAYER_CHOOSING_TARGET:
+    if (IsMouseButtonPressed(0)) {
+      mouse_pos = GetMousePosition();
+      bool clicked_hand_card = false;
+      for (int i = 0; i < g->player_hand.count; i++) {
+	if (point_within_card(g->player_hand.cards[i], mouse_pos)) {
+	  clicked_hand_card = true;
+	  if (g->player_hand.cards[i]->selected) {
+	    g->player_hand.cards[i]->selected = false;
+	  } else {
+	    for (int j = 0; j < g->player_hand.count; j++) {
+	      g->player_hand.cards[j]->selected = false;
+	    }
+	    g->player_hand.cards[i]->selected = true;
+	  }
+	}
+      }
+    }
     break;
   default:
     break;
@@ -134,13 +154,33 @@ void run_frame_calculating_field_multiplier(Game *g) {
 
 void run_frame_calculating_teyaku(Game *g) {
   calculate_teyaku(g->player_hand, &g->player_teyaku);
-  // g->selected_card = NULL;
+  for (int i = 0; i < 48; i++) {
+    g->cards[i].selected = false;
+  }
   g->state = GAME_STATE_PLAYER_CHOOSING_FROM_HAND;
 }
 
 void run_frame_player_choosing_from_hand(Game *g) {
+  for (int i = 0; i < g->player_hand.count; i++) {
+    if (g->player_hand.cards[i]->selected) {
+      g->state = GAME_STATE_PLAYER_CHOOSING_TARGET;
+      break;
+    }
+  }
 }
+
 void run_frame_player_choosing_target(Game *g) {
+  bool no_cards_selected = true;
+  for (int i = 0; i < g->player_hand.count; i++) {
+    if (g->player_hand.cards[i]->selected) {
+      no_cards_selected = false;
+      break;
+    }
+  }
+
+  if (no_cards_selected) {
+    g->state = GAME_STATE_PLAYER_CHOOSING_FROM_HAND;
+  }
 }
 
 void run_frame(Game *g) {