Bloomwarden treants clash with Iron Concord machines across a burning lane, a row of unit cards blazing beneath them.
Procession Engine

A tug-of-war roguelike. Build a belt of cards, field an army of strange races, and push the lane until something breaks.

Steam Early Access · November 2026 · Windows & macOS

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Trailer

One lane. Two armies. No second chances.

Procession Engine is a single-player roguelike about winning a war of momentum. Your cards slide along a moving belt; play them before they fall off the end. Spend them on units, buildings, and spells, and the army you assemble marches itself down the lane toward the enemy stronghold while theirs marches back at you.

Every fight is a tipping point. Hold the line, find the moment the push turns, and break through before the enemy finds theirs.

Between fights, chart a route through each act: draft new cards, collect relics, upgrade your blueprints, and shape a run that snowballs from a handful of units into a procession the enemy cannot stop.

Procession Engine key art: the three races beneath the game logo.

Three races, three ways to win

Bloomwardens

Living groves that seed the lane with sprouts and grow small beginnings into overwhelming numbers. Patience that turns into an avalanche.

Iron Concord

Machines built to advance. Engines, artillery, and armor that trade flesh for iron and grind the lane forward one piston-stroke at a time.

Hollow Choir

A congregation of the departed that hoards souls and spends them. Every death feeds the choir, and the choir remembers.

Screenshots

A Bloomwarden army marching through a glowing cavern arena, sprouts and beasts filling the lane. Bloomwardens holding the lane against an elite Choirbreaker fight, towers looming over the field. Iron Concord artillery arcing shells over an orange lane, damage numbers rising from the line. Iron Concord mortars laying overlapping blast rings across the enemy advance. An Iron Concord push under a lightning storm, the enemy base in frame. Hollow Choir soulfire beams sweeping the enemy line. The Lattice: a glowing web of run-long investment nodes charting the path taken. Choosing a new card after a fight. The Bazaar: rows of cards, relics, and blueprints for sale between fights. Upgrading a building blueprint at the Workshop. Etching a building onto the yard grid before a fight, footprint tiles showing valid ground. A route event between fights: the Counterfeiter. A victory light show of gold lasers over the battlefield.

What's in the box