Monster Lab

Cinevva's analyzer read this game's design doc and its source, then wrote the brief below. "Make your own" hands it to the game creator as your opening message, so you start from a real spec rather than a one-line idea.

Rebuild a mobile-first collectible monster creation game called “Monster Lab” as a single-page frontend game. The player is a researcher in a dark futuristic laboratory. Use a fixed full-screen Three.js-style 3D background: a round dark fusion-lab floor, glowing green ring, floating neon DNA vials around the perimeter, sci-fi computer props, and a transparent blue glass fusion tube. The lab should be atmospheric with navy-black fog, cyan, purple, and green lights; keep the camera centered on the chamber and slowly animate the vials, tube/lab elements, and any displayed monster with gentle floating/rotation.

Place a translucent glass HUD over the background, optimized for phone screens but centered with a max width on desktop. The visual language is dark glassmorphism: rounded panels, thin cyan borders, backdrop blur, soft neon shadows, bright white headings, muted blue-gray body text, and green/cyan/purple/gold accent colors. At the top show “Monster Lab”, the subtitle “Fuse DNA. Create originals. Battle prototypes.”, a “Daily Chest” button, and a green Credits wallet initially showing 5,000. Below show a welcome panel with a glowing multicolor orb labeled “DNA” and the text “Welcome, researcher” plus instructions to open DNA packs, fuse three capsules, and test the creature in a turn-based lab battle.

Provide five tab buttons: Shop, Fuse, Index, Battle, and Admin. Only the selected view is visible and the content area scrolls vertically. In Shop, show a “DNA Pack Shop” heading and cards for five packs: Starter DNA Pack (500 Credits, five cards, Common or better), Standard DNA Pack (1,000 Credits, Uncommon or better), Elite DNA Pack (2,500 Credits, Rare or better), Legendary DNA Pack (5,000 Credits, Epic or better), and Mythic DNA Pack (10,000 Credits, Legendary or better, Cosmic chance). Each pack has a neon glow color, drop-floor label, and “Open Pack” button. Purchasing deducts credits, creates exactly five random DNA cards, plays a pack-opening sound if available, and opens a modal revealing five cards with a staggered flip animation. Each DNA card displays its type, rarity, colored glowing diamond gem, and power.

Use exactly these DNA types: Beast, Bird, Reptile, Aquatic, Insect, Plant, Crystal, Shadow, Fire, Water, Earth, Air, Electric, Cosmic. Use rarities Common, Uncommon, Rare, Epic, Legendary, Mythic, Cosmic, with distinct muted-gray, green, cyan, purple, gold, pink, and white accents. DNA cards have random type and power based on rarity and remain in a persistent local save. The player can claim the Daily Chest once per calendar day for 750 Credits plus one bonus Common-or-better DNA capsule; repeated claims that day show a toast and give nothing.

In Fuse, show a Fusion Chamber with three selectable DNA slots, a “Fuse Selected DNA” button, and an inventory grid. The player taps inventory cards to select/deselect up to exactly three capsules; selected cards are highlighted. Attempting to fuse with fewer than three displays a toast. Fusing consumes those three DNA cards, creates a new generated monster, adds a discovery reward of 150 Credits plus 100 Credits per rarity tier, and switches to the Index. Generate the monster from the three DNA types: name formed from a deterministic fantasy prefix and suffix, species formatted like “Beast-Bird Chimera”, rarity derived from the average input rarity with a possible one-tier bonus, element selected from Fire, Water, Earth, Air, Electric, Crystal, Shadow, Plant, Cosmic (Cosmic DNA forces Cosmic), and stats HP, ATK, DEF, SPD derived from DNA power and rarity. Give it a passive such as Crystal “Prism Skin: first hit each battle is reduced.”, Shadow “Phase Veil: gains speed after guarding.”, Electric “Static Charge: ability has bonus damage.”, or a generic elemental adaptation; give it an elemental ability such as Plasma Roar, Tidal Mend, Core Slam, Cyclone Dash, Volt Lancer, Prism Burst, Night Pulse, Spore Bloom, Star Rift, or Genetic Surge. Also generate descriptive text and lab-bay lore.

Make generated creatures visually distinctive in the Index. Show large cinematic collector-style cards with dark artwork, glowing gradient background, gold-toned rarity/serial text, a looming original fantasy creature silhouette, creature name, species, element, favorite heart icon, and HP/ATK/DEF/SPD stats. The creature artwork should be original and consistent with the lab: a dark carved bark/root-like humanoid guardian with long root arms and claws, branch crown, glowing eyes, glowing chest core and body crystals, colored by the generated DNA accents. Use either procedural SVG/card artwork or equivalent generated graphics; do not rely on recognizable existing franchises. Clicking a monster card should display a toast containing its ability and passive and place that monster in the 3D fusion chamber. If no monsters exist, show an empty-state instruction to fuse three capsules.

In Battle, show a monster selector, a two-column arena card with the player monster and an enemy “Lab Rogue” / escaped prototype, each with creature artwork, name, and health bar, plus Strike, Ability, and Guard buttons. Starting a battle resets player HP to its monster HP and creates a fixed-style Rare shadow/crystal/insect rogue prototype with roughly 100 HP, 26 ATK, and 12 DEF. Strike deals roughly ATK minus part of enemy DEF with small randomness; Ability deals about 1.45 times that damage; Guard sets a DNA shield that reduces the next incoming damage to about 45%. After the player action, if the enemy survives it counters for roughly enemy ATK minus part of player DEF with small randomness. Show a battle log for actions and counters. A win grants 350 Credits plus 60 Credits per player rarity tier and one Common-or-better DNA capsule, then resets the arena; a loss resets the arena without a reward.

In Admin, show an “Admin Console Demo” with a local login form and note that it uses local save data. The demo credentials are username “admin” and password “lab123”. After login, show controls to add/subtract credits, redeem a promo code once for 500 Credits, and change the price of any DNA pack. Persist all state in localStorage under a Monster Lab save, including credits, DNA, monsters, daily-claim date, custom pack prices, redeemed codes, and admin status. Include small toast notifications for invalid actions, rewards, failed login, and discoveries. Add subtle click/pack-opening audio where browser policy permits. The result should be playable entirely by tapping UI buttons, with no server, PvP, trading, accounts, payments, or cloud features.