Ο Κυνηγός Κλειδιών των Κρυμμένων Δωματίων
The Keyhunter of Hidden Chambers

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Keywords
Unity ; Ανάπτυξη βιντεοπαιχνιδιών ; Τρισδιάστατο παιχνίδι ; Τεχνητή νοημοσύνη εχθρών ; Game development ; First-person shooter ; Unity3D ; C# ; FPS ; NavMesh ; State machine ; Weapon system ; Key system ; Inventory ; Artificial Intelligence ; AIAbstract
This work involves the development of an interactive three-dimensional first-person shooter (FPS) video game implemented in the Unity3D environment using the C# programming language, titled "The Keyhunter of Hidden Chambers." The game is compatible with Windows and was designed to offer a complete experience of exploration, survival and strategic thinking. In an abandoned industrial complex, a secret laboratory has created experiments that have spiraled out of control. The facility, once a center of scientific research, has been transformed into a dark labyrinth filled with dangerous entities guarding its secrets. The hero, an experienced key hunter specializing in the exploration of hazardous locations, takes on his final mission: to enter the complex, eliminate the threats and recover the three keys that unlock the truth behind the locked doors. The only way out lies behind the final door but there, the most dangerous enemy of all awaits.
The player takes on the role of this key hunter, exploring two levels, collecting three keys in total (2 normal + 1 secret), facing enemies with artificial intelligence, upgrading weapons through an experience point (XP) system, and ultimately confronting the Final Boss.
The following systems were implemented: a 5-weapon system with XP-based progression, a key collection system with a Secret Room and 30-second timer, an inventory system for weapon switching, a shield system that reduces incoming damage, a medikit for health restoration, dynamic music that changes according to the game state (exploration/combat/Final Boss), per-weapon reload sounds, a complete UI (HealthBar, ShieldBar, AmmoDisplay, XP Bar, Key Counter) and a fully featured Main Menu with Settings (Volume, Brightness, Sensitivity).


