diff --git a/misc/module/common/deck.game.php b/misc/module/common/deck.game.php
index d29876e..04c1ceb 100644
--- a/misc/module/common/deck.game.php
+++ b/misc/module/common/deck.game.php
@@ -32,7 +32,7 @@ function __construct() {
     }
 
     // MUST be called before any other method if db table is not called 'card'
-    function init($table) {
+    function init(string $table) {
         $this->table = $table;
     }
 
@@ -46,7 +46,7 @@ function init($table) {
     //          "nbr" => <nbr>                  // Number of cards with this card type to create in game
     //
     // If location_arg is not specified, cards are placed at location extreme position
-    function createCards($cards, $location_global, $card_state_global = null) {
+    function createCards(array $cards, string $location_global, ?int $card_state_global = null) {
        return;
     }
 
@@ -56,7 +56,7 @@ function getExtremePosition($getMax, $location, $card_key = null) {
     }
 
     // Shuffle card of a specified location, result of the operation will changes state of the card to be a position after shuffling
-    function shuffle($location) {
+    function shuffle(string $location) {
 
     }
 
diff --git a/misc/module/table/table.game.php b/misc/module/table/table.game.php
index 51c8e3f..fd5b76b 100644
--- a/misc/module/table/table.game.php
+++ b/misc/module/table/table.game.php
@@ -42,7 +42,7 @@ function error($msg) {
 class APP_DbObject extends APP_Object {
     public $query;
 
-    function DbQuery($str) {
+    function DbQuery(string $str) {
         $this->query = $str;
         echo "dbquery: $str\n";
     }
@@ -51,7 +51,7 @@ function getUniqueValueFromDB($sql) {
         return 0;
     }
 
-    function getCollectionFromDB($query, $single = false) {
+    function getCollectionFromDB(string $query, bool $single = false) {
         echo "dbquery coll: $query\n";
         return array();
     }
@@ -138,7 +138,7 @@ function setAllPlayersMultiactive() {
     function setPlayersMultiactive($players, $next_state, $bExclusive = false) {
     }
 
-    function setPlayerNonMultiactive($player_id, $next_state) {
+    function setPlayerNonMultiactive(string $player_id, string $next_state) {
     }
 
     public function isMutiactiveState() {
@@ -173,7 +173,7 @@ public function isPlayerActive($player_id) {
     function updateMultiactiveOrNextState($next_state_if_none) {
     }
 
-    function nextState($transition) {
+    function nextState(string $transition) {
         $x = $this->getStateNumberByTransition($transition);
         $this->jumpToState($x);
     }
@@ -307,7 +307,7 @@ function loadPlayersBasicInfos() {
         return $values;
     }
 
-    protected function getCurrentPlayerId() {
+    protected function getCurrentPlayerId(): string {
         return 1;
     }
 
@@ -342,13 +342,13 @@ function eliminatePlayer($player_id) {
      * Setup correspondance "labels to id"
      * @param [] $labels - map string -> int (label of state variable -> numeric id in the database)
      */
-    function initGameStateLabels($labels) {
+    function initGameStateLabels(array $labels) {
     }
 
     function setGameStateInitialValue(string $value_label, int $value_value) {
     }
 
-    function getGameStateValue($value_label, int $def = null) {
+    function getGameStateValue(string $value_label, int $def = null): int {
         return 0;
     }
 
@@ -466,14 +466,14 @@ function getPlayersNumber() {
         return 2;
     }
 
-    function reattributeColorsBasedOnPreferences($players, $colors) {
+    function reattributeColorsBasedOnPreferences(array $players, array $colors) {
     }
 
     function reloadPlayersBasicInfos() {
     }
 
-    function getNew($deck_definition): object {
-        return null;
+    protected function getNew(string $deck_definition): Deck {
+        return new Deck();
     }
 
     // Give standard extra time to this player
@@ -489,7 +489,7 @@ function applyDbUpgradeToAllDB($sql) {
     }
 
 
-    function getGameinfos() {
+    function getGameinfos(): array {
         unset($gameinfos);
         require('gameinfos.inc.php');
         if (isset($gameinfos)) {