Reactorcore's Personal Game Design Project

Colossal Devastators

Rampage Fighting Combat

🎮 Game Overview

Command towering 20-meter galactic titans in brutal one-on-one combat for dominion over worlds. Colossal Devastators is pure competitive fighting action where two alien colossi battle to claim territory and establish supremacy over lesser civilizations.


Build and customize your perfect titan warrior using an innovative auto-balancing character system that ensures every creation remains competitively viable. Transform between humanoid mech and mythical beast forms as you engage in devastating duels against rival galactic conquerors.


Earth's cities and armies are mere environmental obstacles as titans clash for supremacy. Buildings collapse from stray hits, human military forces can only delay the inevitable, and entire landscapes reshape around your epic battles against other colossal beings.

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Target Audience

Competitive fighting game players seeking environmental interaction, mech anime fans craving authentic titan duels, and strategic players who want deep customization systems for one-on-one combat supremacy.

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Game's Purpose

Fulfills the fundamental human needs for competitive mastery, creative expression, and epic scale combat through strategic titan duels and meaningful character customization systems.

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Core Concept

An intuitive auto-balancing system lets you build any titan imaginable - mass, sophistication, and output power automatically determine health, damage, mobility, and versatility while maintaining competitive fairness.

🌍 Lore & Story

The Galactic Pet Collection Wars: Across the galaxy, colossal titan-beings from various alien empires engage in ritualized combat to claim the most impressive planetary pets. These towering entities transform between humanoid mech and mythical beast forms, battling in one-on-one duels that determine which titan gets to keep an entire world's population as their personal collection.


Earth: The Premium Terrarium: This blue marble has become a highly coveted prize where rival galactic titans clash for ownership rights. Humanity's endearing bratty behavior and amusing sprawling cities make them the galaxy's most sought-after pet species - whichever titan wins gets to keep billions of humans as their personal trophy terrarium.


The Colossal Duels: You are among the elite titan warriors competing for the ultimate pet-keeping trophy. Your battles against other galactic colossi will determine who gets to pamper humanity in their own alien peculiar way - perhaps forcing them to perform embarrasing parades, build monuments to your greatness, or engage in amusing cultural displays for your entertainment.


What's at Stake: Ownership of the galaxy's cutest planetary pet collection. Human military forces are like toy soldiers scattered across your battlefield as titans clash overhead. Cities become like dollhouses that crumble easily, armies can only dent your armor, and entire civilizations watch helpless, bewildered and confused as godlike beings battle to determine whom will win and forcibly adopt them as their pets.


This is conquest through affectionate domination where victory grants you a planet full of endearing bratty little humans to dote upon, discipline, and display proudly to other titan collectors across the galaxy.

đŸ•šī¸ Controls & Interface

Movement: WASD for directional movement, including jumping and crouching/ducking/dropping through platforms


Combat: Mouse to aim attacks, Left Click for primary attack, Right Click for secondary attack


Abilities: Q and E keys activate your two equipped ability modules (can be offensive, defensive, or utility moves)


Transformation: R key switches between humanoid mech form and mythical beast form - each form changes your available attacks and movement options


Special Actions: F key for unique damage mitigation (dodge, shield, or other defensive ability specific to your character), X key activates super ability


The interface is designed for competitive precision - you control a massive alien titan equipped with three melee/ranged enhancer augments and two swappable special ability modules. Every control responds instantly to let you focus on tactical combat against your colossal opponent.

"Devastate buildings to cause them to collapse, grab and throw vehicles as makeshift weapons, use abilities to unleash powerful attacks, and use the environment to your advantage."

🎲 Game Layers

đŸŽ¯ Moment-to-Moment Gameplay

One-on-one competitive fighting with environmental interaction. Use buildings as weapons against your opponent, grab and hurl debris, create tactical opportunities through terrain destruction. Every duel reshapes the battlefield as two titans struggle for dominance.

🌍 Campaign Progression

Duel across diverse arenas including sprawling cities, dense forests, scorched deserts, mountainous regions, coastal areas, underwater facilities, and post-apocalyptic wastelands. Each battlefield offers unique tactical opportunities for titan combat.

🔧 Persistent Character Evolution

Discover new parts and abilities through victorious duels that temporarily enhance your titan. Components have limited lifespan - after several matches they expire, forcing you to adapt your fighting style and seek fresh equipment from your collected stash or revert to character defaults.

⚡ Practical Game Flow

Quick competitive matches with immediate satisfaction. Launch the game, select your titan, face your opponent, engage in colossal combat, earn new parts through victory, and exit at natural stopping points. Every duel delivers meaningful progress and epic combat moments.

🎮 Game Modes

đŸ’Ĩ Destruction Arena

Competitive titan duels where 2-4 colossal beings battle across destructible arenas. Quick 5-10 minute matches focused on pure fighting game mechanics and environmental utilization. Perfect for testing new character builds against skilled opponents.


đŸ›ī¸ Siege Campaign

Structured campaign where you face increasingly powerful rival titans in territorial disputes. Battle other galactic conquerors while human forces become environmental obstacles. Longer 20-30 minute experiences with conquest narratives.


đŸ› ī¸ Character Workshop

Creative sandbox for building and testing titan designs. Experiment with different mass/sophistication/power combinations, test abilities against target dummies, and save your favorite builds for combat modes.

âš™ī¸ Game Features & Mechanics

🤖 Auto-Balancing Character System

Create any titan design imaginable through an intuitive system that automatically maintains competitive balance. Heavier builds get more health but less mobility, sophisticated designs gain versatility but require more skill, high-output builds deal massive damage but have resource management challenges.


The system uses three core parameters - mass, sophistication, and output power - to automatically determine your titan's health pool, damage potential, movement speed, and special ability options. This ensures every player creation remains viable in combat.

đŸ—ī¸ Physics-Based Environmental Destruction

Every element in the environment can be destroyed, grabbed, thrown, or weaponized. Buildings crumble realistically, vehicles become projectiles, and terrain deformation creates new tactical opportunities.


The physics system responds to your titan's mass and strength - heavier builds can throw larger debris at opponents, while agile builds can use terrain for tactical advantages. Environmental storytelling emerges naturally from your epic duels.

🔄 Dual-Form Combat System

Transform instantly between humanoid mech and mythical beast forms during combat. Each form offers completely different attack patterns, movement options, and tactical approaches to environmental interaction.


Your equipped augments and abilities function differently in each form - a melee weapon might become a ranged beam cannon, while a defensive shield could transform into a mobility-enhancing wing system. Master both forms to unlock your titan's full potential.

đŸŽ¯ Grab-and-Throw Combat Mechanics

Every titan can grab environmental objects and other combatants using unique methods based on their design. Beam-equipped builds use tractor technology, claw-based builds use physical grappling, energy-based builds use magnetic fields.


Throwing mechanics consider object weight, your titan's strength, and environmental factors like gravity and wind. A well-placed submarine throw can change the entire flow of battle.

⚡ Modular Equipment Loadouts

Equip three enhancer augments that modify your basic attacks and two special ability modules that provide unique powers. Equipment compatibility depends on your titan's design parameters and form configurations.


Some augments work better with high-mass builds, others synergize with sophisticated energy systems. Ability modules can be combat-focused, defensive, utility-based, or environmental manipulation tools. Finding the right combination for your playstyle is part of the strategic depth.

⏰ Temporal Equipment System

Found equipment and abilities have limited lifespans - they expire after a set number of matches, preventing permanent power accumulation and encouraging constant adaptation.


This system keeps gameplay fresh by forcing you to regularly experiment with new combinations rather than settling into one dominant build. Your collected stash becomes a treasure trove of tactical options to cycle through as equipment expires.

"Each titan is unique and it can transform between two modes - usually humanoid and beast (but not exclusively!), both play differently, allowing you to adapt to the battlefield."

🎭 Fun Trivia

Narrative Perspective: You play as galactic titan pet-collectors competing for the ultimate prize - an entire planet of bratty humans to pamper and showcase in your own domineering, alien, odd, yet affectionate way.


Anime Inspiration: Drawing from classic mech series like Voltes V, Power Rangers Megazord battles, Gundam, and kaiju films like Godzilla and Pacific Rim - but with a villainous twist.


Development Philosophy: Uses standardized and massively simplified IMAJ sprites system (Idle 2x, Move 2x, Attack 1x, Jump 1x) with easy-to-apply and intercompatible universal visual effects systems that allows for rapid, easy, and efficient new character creation, even for absolutely beginners with minimal artistic or technical skills. This allows modders to focus on gameplay depth rather than be bottlenecked by tedious asset production, yet still provide just enough detail to look good and be satisfying to play.

Colossal Devastators

Command towering galactic titans in the ultimate pet-collecting competition. Create any colossal warrior imaginable through an auto-balancing character system, then engage in epic duels to determine who gains ownership of Earth's human population.


Transform between forms, manipulate battlefield environments, and adapt constantly as your equipment expires and evolves. Every terrain feature becomes tactical opportunity in your quest to claim the galaxy's most coveted pet species.


Experience the whimsical thrill of colossal combat with a twist: you're not fighting for territory, you're competing to become the proud owner of billions of tiny, adorable - if somewhat bratty and reluctant - humans who will become your exclusive prized pets.