Celestial Rift

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.

Create a real-time 3D third-person arena boss duel titled “Celestial Rift.” Set the scene in a dark cosmic void with a nearly black-blue background, exponential atmospheric fog, and a dense field of small white-blue stars. The playable arena is a large, flat, dark navy circular platform with subtle rough metallic shading. Add three concentric glowing blue energy rings around the platform at radii 4, 8, and 12, plus a perimeter of evenly spaced tall, narrow dark-blue emissive cone-like obelisks. In the far background, load or build a large warm brown wooden/stone fantasy temple or tower silhouette, and place a distant planet toward the upper-left background. Use cinematic lighting: cool blue ambient/rim light, a warm directional key light, and a magenta-pink light around the combatants. Enable soft shadows, fog, antialiasing, and a cinematic high-contrast tone map.

The player is a third-person controllable fantasy warrior using a humanoid RPG warrior model, initially positioned near the front of the arena at (0, 0, 6). The boss is an oversized red Big Demon/Astral Warden model, initially at the opposite side around (0, 0, -3.6), scaled to 1.5, facing the player. The visible boss should have a bulky red body, horns, dark facial features, and a threatening silhouette. Keep the camera in a third-person perspective following the player at about 7 units distance, with a 55-degree perspective field of view. Support WASD and arrow-key movement, Space to jump, and mouse/touch controls appropriate to a third-person controller. The player model should turn toward its movement/facing direction.

The core mechanic is firing starburst projectiles at the Astral Warden. Fire with F, Enter, a left mouse click, or a large on-screen BLAST button. Each shot has a 0.42-second cooldown and creates a small glowing spherical projectile with a pale-yellow center and hot pink/red emissive glow. It travels from the player toward the boss at speed 13, lasts up to 2.3 seconds, visibly pulses in size, and disappears on impact or expiration. On impact within about 1.6 units of the boss, reduce the boss’s 100-point health by 8 damage; while in Phase II, each hit instead deals 11. Do not add weapons or mechanics beyond this starburst attack.

The Astral Warden continuously performs a slow hovering/side-to-side idle motion while alive: its horizontal position oscillates by roughly 2.4 units, its depth shifts slightly, and it bobs vertically. It continually turns to face the player. When the player is within approximately 3.4 units, occasionally apply 2 damage to the player based on the boss’s timed proximity attack. The player starts with 100 health. There is no separate death/reset system specified; simply clamp health at zero. The boss starts with 100 health. At below 60 boss health, switch from “PHASE I · AWAKENING” to “PHASE II · STARFALL” and show the message “THE WARDEN OPENS THE STAR GATE.” At below 25 health, switch to “PHASE III · SINGULARITY” and show “BREAK THE COSMIC SEAL.” When the boss reaches zero, stop its active behavior, set the encounter to a defeated/final state, show “THE RIFT BOWS TO YOUR WILL,” and play its death animation if available.

Build a fixed, pointer-transparent HUD over the game. At the top-left show the uppercase spaced title “CELESTIAL RIFT,” the subtitle “A cinematic cosmic duel,” and a compact player health bar with a blue-to-pale-yellow gradient. At the top center show the label “ASTRAL WARDEN” above a wider boss health bar with a hot-pink-to-lavender gradient. At the top-right show the current phase label. Place a large centered lower-screen encounter message, initially “THE SKY REMEMBERS YOUR NAME.” At the bottom center show the hint “WASD / ARROWS move · SPACE jump · CLICK or BLAST fire a starburst.” Put a circular glowing coral/orange “BLAST” button in the lower-right corner for touch input. Make the interface responsive: scale bars to viewport width, move the hint upward on narrow mobile screens, and ensure the attack button remains touch-friendly. Use a dark sci-fi/fantasy visual style with blue arena energy, warm temple wood, red demon lighting, white uppercase typography, glow, and cinematic shadows.