diff --git a/contracts/src/models/dungeon.cairo b/contracts/src/models/dungeon.cairo
index daf557d..400866d 100644
--- a/contracts/src/models/dungeon.cairo
+++ b/contracts/src/models/dungeon.cairo
@@ -69,3 +69,48 @@ impl DungeonAssert of AssertTrait {
     }
 }
 
+#[cfg(test)]
+mod tests {
+    // Local imports
+
+    use super::{
+        Dungeon, DungeonTrait, AssertTrait, Role, RoleTrait, Monster, MonsterTrait, Mode, ModeTrait
+    };
+
+    // Constants
+
+    const ID: felt252 = 'ID';
+    const MONSTER: Monster = Monster::Common;
+    const ROLE: Role = Role::Fire;
+
+    #[test]
+    fn test_dungeon_new() {
+        let dungeon: Dungeon = DungeonTrait::new(ID, MONSTER, ROLE);
+        assert_eq!(dungeon.id, ID);
+        assert_eq!(dungeon.monster, MONSTER.into());
+        assert_eq!(dungeon.role, ROLE.into());
+        assert_eq!(dungeon.damage, MONSTER.damage());
+        assert_eq!(dungeon.health, MONSTER.health());
+        assert_eq!(dungeon.reward, MONSTER.reward());
+    }
+
+    #[test]
+    fn test_dungeon_is_done() {
+        let dungeon: Dungeon = DungeonTrait::new(ID, Monster::None, Role::None);
+        assert!(dungeon.is_done());
+        let mut dungeon: Dungeon = DungeonTrait::new(ID, MONSTER, ROLE);
+        assert!(!dungeon.is_done());
+        dungeon.take_damage(Role::Water, dungeon.health);
+        assert!(dungeon.is_done());
+    }
+
+    #[test]
+    fn test_dungeon_take_damage() {
+        let mut dungeon: Dungeon = DungeonTrait::new(ID, MONSTER, ROLE);
+        let damage: u8 = 10;
+        let player_role: Role = Role::Water;
+        dungeon.take_damage(player_role, damage);
+        assert_eq!(dungeon.health < MONSTER.health(), true);
+    }
+}
+
diff --git a/contracts/src/models/player.cairo b/contracts/src/models/player.cairo
index 374108b..20c0bda 100644
--- a/contracts/src/models/player.cairo
+++ b/contracts/src/models/player.cairo
@@ -128,3 +128,73 @@ impl PlayerAssert of AssertTrait {
     }
 }
 
+#[cfg(test)]
+mod tests {
+    // Local imports
+
+    use super::{
+        Player, PlayerTrait, Role, Mode, ModeTrait, Direction, Monster, MonsterTrait,
+        DEFAULT_PLAYER_DAMAGE, DEFAULT_PLAYER_HEALTH, DEFAULT_PLAYER_GOLD, DEFAULT_POTION_COST,
+        DEFAULT_POTION_HEAL
+    };
+
+    // Constants
+
+    const ID: felt252 = 'ID';
+    const PLAYER_NAME: felt252 = 'Alice';
+    const TIME: u64 = 0;
+    const MODE: Mode = Mode::Easy;
+
+    #[test]
+    fn test_player_new() {
+        let player = PlayerTrait::new(ID, PLAYER_NAME, TIME, MODE);
+        assert_eq!(player.id, ID);
+        assert_eq!(player.name, PLAYER_NAME);
+        assert_eq!(player.mode, MODE.into());
+        assert_eq!(player.role, Role::None.into());
+        assert_eq!(player.damage, DEFAULT_PLAYER_DAMAGE);
+        assert_eq!(player.health, DEFAULT_PLAYER_HEALTH);
+        assert_eq!(player.gold, DEFAULT_PLAYER_GOLD);
+        assert_eq!(player.score, 0);
+    }
+
+    #[test]
+    fn test_player_enrole() {
+        let mut player = PlayerTrait::new(ID, PLAYER_NAME, TIME, MODE);
+        player.enrole(Role::Fire);
+        assert_eq!(player.role, Role::Fire.into());
+    }
+
+    #[test]
+    fn test_player_move() {
+        let mut player = PlayerTrait::new(ID, PLAYER_NAME, TIME, MODE);
+        let seed = player.seed;
+        player.move(Direction::Up);
+        assert_eq!(seed, player.seed);
+    }
+
+    #[test]
+    fn test_player_take_damage() {
+        let mut player = PlayerTrait::new(ID, PLAYER_NAME, TIME, MODE);
+        player.take_damage(Role::Fire, 10);
+        assert_eq!(player.health < DEFAULT_PLAYER_HEALTH, true);
+    }
+
+    #[test]
+    fn test_player_reward() {
+        let mut player = PlayerTrait::new(ID, PLAYER_NAME, TIME, MODE);
+        player.reward(10);
+        assert_eq!(player.gold, DEFAULT_PLAYER_GOLD + 10);
+        assert_eq!(player.score, 1);
+    }
+
+    #[test]
+    fn test_player_heal() {
+        let mut player = PlayerTrait::new(ID, PLAYER_NAME, TIME, MODE);
+        player.gold = DEFAULT_POTION_COST;
+        player.heal(1);
+        assert_eq!(player.gold, 0);
+        assert_eq!(player.health, DEFAULT_PLAYER_HEALTH + DEFAULT_POTION_HEAL);
+    }
+}
+
diff --git a/contracts/src/tests/setup.cairo b/contracts/src/tests/setup.cairo
index 17af8c2..994e212 100644
--- a/contracts/src/tests/setup.cairo
+++ b/contracts/src/tests/setup.cairo
@@ -45,7 +45,7 @@ mod setup {
     fn spawn_game() -> (IWorldDispatcher, Systems, Context) {
         // [Setup] World
         let models = array![index::player::TEST_CLASS_HASH, index::dungeon::TEST_CLASS_HASH,];
-        let world = spawn_test_world("dojo_starter_rpg", models);
+        let world = spawn_test_world(array!["dojo_starter_rpg"].span(), models.span());
 
         // [Setup] Systems
         let actions_address = world