RIFTCOILPlay free

Tactical starship deckbuilder · Android

RIFTCOIL

Route the power. Break the signal.

Five points of reactor power. Four hungry systems. Every turn you decide what stays online, what goes dark, and how much Heat you can stand. Fly a three-sector expedition and find out who turned a rescue network into a weapon.

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Free to play · Android 11+ · Landscape · No account needed

Gameplay

Watch Riftcoil in action

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Core loop

Route the power

Your reactor makes 5 power a turn. Cards only work when their system holds enough of it, so every hand starts with a routing problem: arm the guns, raise the screen, or light the engines and dig for the answer.

  1. Read the intent. The enemy's next action sits in the console bar.
  2. Allocate. Spread power across Weapons, Shields, Engines and Utility. Card values update live.
  3. Play. The first card locks your routing. Reroute cards can still shift it.
  4. End turn. Drones act, the enemy resolves, Heat cools, a new hand arrives.

RSV KESTREL · REACTOR

0 / 5 free

  • Weapons

    2

  • Shields

    2

  • Engines

    1

  • Utility

    0

Power is a requirement, not a cost. Play your first card and the routing locks for the turn.

Combat

Break the signal

Every enemy telegraphs its next move before you commit. When a fight goes wrong, it is because of how you routed, not because you never saw it coming.

HEAT

Overreach burns

Weapons fire generates Heat. At 9 your next turn loses a point of output. Hit the limit and the ship overheats: Hull damage, a scorched system and a reactor that will not settle.

DAMAGE

Three ways to hurt

Kinetic is stopped by Shield and dodge. Energy pierces Shield but can be dodged. Missiles cannot be dodged but break on Shield. Read the enemy, then pick the round.

SUBSYSTEMS

Aim for the part

Target the Hull or tear out a Weapon mount, Shield array, Reactor core or Brood hangar. A broken system weakens or silences that part of the enemy for the rest of the fight.

INTENT

See the next move

The Battle Console shows what the enemy will do next and forecasts the end of your turn, so every allocation is a decision, not a guess.

DRONES

A fleet of your own

Attack drones strike before the enemy acts. Repair drones patch Hull and systems. Utility power keeps them flying longer, and Protocols scale with every drone in the air.

105 CARDS

Schematics and Mutations

Draft from 105 cards, each with an upgrade. Grow RSV hulls with 15 modules, or let a living ship evolve 11 three-stage Mutations.

The Severance

Every relay went dark at once

The Coil was a chain of reactor-powered relays that carried power, navigation and emergency calls between distant colonies. During one synchronized transmission it fell silent. Ships that answered the distress calls came back hostile.

The Coil's emergency protocol, CROWN, was built to borrow spare reactor output and keep the network alive. One corrupted instruction turned request into requisition. Now it strips the cores of independent ships, copies their tactics, and broadcasts false distress calls to lure more.

Anchor Station refitted every hull it could spare as a Relief Service Vessel. Yours carries the only independent reactor controller left.

DO NOT ANSWER THE SOURCE

Expedition

Three sectors. One way home.

Each sector is a nine-stage branching route of Combat, Elite, Event, Repair, Workshop and Shop stops, ending at a boss. Hull damage, broken systems and your deck carry from fight to fight. Salvage pays for everything.

  1. SECTOR 01

    The broken route

    Raiders prey on stranded traffic. Converted Ion Frigates and Heat Leeches run impossible power patterns. The Dreadnought guards the exit, and its wreck carries a warning.

    Boss · Dreadnought

    • Raider
    • Ion Frigate
    • Heat Leech
    • Dreadnought

  2. SECTOR 02

    The foundry

    Aegis Cutters, Phantom Skiffs and Overcharge Wardens prove CROWN is building a fleet. At the heart of it the Crucible refits captured ships and forges new reactor cores.

    Boss · Crucible

    • Aegis Cutter
    • Phantom Skiff
    • Overcharge Warden
    • Crucible

  3. SECTOR 03

    The alien brood

    Beyond the rift, Rift Stalkers, Spore Weavers and Void Sentinels hunt in packs. The Mothership launches Swarm Drones from its Brood hangar. Burn the hangar, then clear the fleet.

    Boss · Alien Mothership

    • Rift Stalker
    • Spore Weaver
    • Void Sentinel
    • Mothership

Twelve events. A safe choice and a risky one.

Every stop between fights trades safety for Salvage, Hull or the truth about the signal.

  • Asteroid FieldAsteroid Field
  • Abandoned ShipAbandoned Ship
  • Derelict RelayDerelict Relay
  • Solar FlareSolar Flare
  • Reactor WreckageReactor Wreckage
  • Ghost SignalGhost Signal

Hangar

Four hulls, four ways to fly

Each ship brings its own starting deck, reactor capacities, Heat tolerance and trait.

RSV Kestrel

RSV Kestrel

Free

Combat frigate

Hull
50
Heat / cool
10 / 1

Adaptive Frame. Once per battle, a system that goes offline comes back at 4 HP.

RSV Boreas

RSV Boreas

Electronic warfare and drones

Hull
60
Heat / cool
8 / 2

Signal Relay. The first Protocol each turn does not spend drone duration.

RSV Vulcan

RSV Vulcan

Overcharged assault cruiser

Hull
44
Heat / cool
12 / 1

Overcharged Mounts. Attack cards deal +1 damage while Weapons run at capacity.

Nacre

Nacre

Clear sector 3

Living ship

Hull
48
Heat / cool
10 / 1

Regenerative Tissue. Restores up to 12 missing Hull at the start of each battle after the first.

Command

Pick who sits in the chair

Every commander has a starting perk, their own dialogue through the story, and levels up to 7 over a full run, choosing one of two new perks each time.

Portrait of Kade Reyes

Kade Reyes

Free

Veteran Aim. The first Weapons card each battle deals +20% damage.

Former convoy gunnery officer who lost a relief ship at the Severance.

Portrait of Elin Vasko

Elin Vasko

Free

Requisition Officer. +25 starting Salvage, +5 after each victory.

Quartermaster who kept outposts alive by trading parts across broken routes.

Portrait of SELENA

SELENA

Convergence. Once per battle, gain +1 power to allocate, even after playing cards.

An AI recovered from a relay that went dark before the Severance. Her link to CROWN is a mystery.

Portrait of Vael, the Unbound

Vael, the Unbound

Clear sector 3

Symbiotic Instinct. A system repair empowers your next Weapons card that turn.

A former brood navigator who chose independence and bonded with Nacre.

Free to fly

The whole expedition, no paywall

Kade, Elin and the Kestrel are free, and they can finish all three sectors. Beat the Mothership and its escorts to earn Vael and Nacre for good.

Starter Pack · $7.99

One purchase, once

A single optional Google Play purchase adds SELENA, RSV Boreas and RSV Vulcan. No ads, no energy timers, no currency to top up. Your pack survives a progress reset.

Yours, offline

No account. No tracking.

Runs save on your device and pick up where you left off. Nothing about how you play leaves your phone. Read the privacy policy.

The signal is still transmitting.

Something at its source is learning from every ship that answers. Make sure yours is the last.

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