DIAMOND SUN

A single‑player sci‑fi adventure where you are Diamond—a loyal dog rebuilt with automail. Explore labyrinthine zones, discover upgrades inspired by classic Metroid‑likes, and unearth the secret that cracked the sky.

Play as a cybernetic dog Modular automail upgrades Non‑linear exploration Controller & KB/M support
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Game Features

Tight movement, hand‑crafted zones, and a growing arsenal of canine‑centric upgrades. Backtrack to crack open new paths, master precision combat, and piece together a world lit by a fractured sun.

Agile Canine Movement

Wall‑scratches, slide‑dives, and precision jumps built for speed‑running or thoughtful, methodical play.

Upgradable Automail

Swap, stack, and fuse modules to redefine your playstyle—mobility, combat, or utility. Your rig, your route.

Interlocking World

Each region loops into the next with shortcuts and secrets. New modules unlock hidden layers of every zone.

Echo Bark System

Pulse the environment to reveal weak walls, enemy patterns, and dormant tech—if you’ve earned the upgrade.

Boss Hunts

Learn tells, punish openings, and claim signature modules from guardians forged under the Diamond Sun.

Reactive Lighting

Bioluminescent flora and solar‑shocked ruins glow with hints, secrets, and threats.


Automail Arsenal

Collect, equip, and evolve modules. Many paths forward—pick the one that fits your paws.

Paw Cannon module
Core Combat

Paw Cannon

Retractable forearm cannon for precise blasts. Charge shots pierce armored cores.

Grapple Tail module
Traversal

Grapple Tail

Latch to anchor points, swing across chasms, and yank shields off elites.

Rocket Paws module
Mobility

Rocket Paws

Air‑burst dashes with i‑frames. Chain in midair to cross lethal gaps.

Phase Drive module
Utility

Phase Drive

Short‑range phasing through thin walls and laser gates. Costs brief coolant.

Echo Bark module
Scanning

Echo Bark

Directional sonar bark that highlights secrets, traps, and phaseable terrain.

Sensor Suite module
Awareness

Sensor Suite

Minimap, threat vectors, loot pings. Upgrade to mark boss weakpoints.

Mag-Claws module
Traversal

Mag‑Claws

Scale metal walls and ceiling‑run along rails. Scratch‑jump to gain height.

Sun Core module
Ultimate

Sun Core

Overdrive the entire rig with solar charge: time dilation, double damage, radiant after‑images.

Slots: 4 active, 8 passive (expandable)
Synergies: Rocket Paws + Grapple Tail = Sling‑Boost
Resources: Coolant, Capacitors, Sun Shards
Playstyles: Mobility / Offense / Scanner / Tank

Explore the Fractured World

Four core biomes interlock with shortcuts and late‑game routes. Secrets everywhere.

Desert of Shards
Early Game

Desert of Shards

Glass dunes and solar storms. Break crystal ribs to open subterranean paths.

Neon Ruins
Mid Game

Neon Ruins

Collapsed arcologies flicker alive. Mag‑Claws turn walls into highways.

Glacier Hollow
Mid Game

Glacier Hollow

Frozen caverns with shifting ice. Phase Drive slips through brittle seams.

Starfall Caves
Late Game

Starfall Caves

Meteor‑lit vaults beneath the world. Bosses hoard the oldest tech.


Forge Your Path Under the Diamond Sun

Master your automail, outsmart the guardians, and stitch a broken world back together—one secret at a time.

Wishlist on Steam

No microtransactions. Single‑player only.

FAQ

Is Diamond Sun a single‑player game?

Yes—crafted for solo exploration and mastery. No online required.

What platforms?

PC at launch. Gamepad and keyboard/mouse supported.

Is it like Metroid?

It’s a love letter to the genre—non‑linear world, gated progression, and meaningful upgrades—with our own canine twist.

Performance Targets

1080p 60fps on mid‑range hardware. Graphics options included.

CPU: Quad‑core modern
GPU: GTX 1060 / RX 580
RAM: 8 GB
Storage: ~8–12 GB