Gigachess is a puzzle board hero defense. With your custom party of Knights, Rooks and Bishops, defend against the relentless waves of enemy Pawns running a blitz for the board's bottom. The seemingly unbreakable formations and constant downward march of your foe transform chess from slow burn to tactical rush in this deeply addictive single-player remix of turn-based strategy's ultimate grandmaster.
How long can you survive the Pawn onslaught?
GIGACHESS v1.15 FEATURESEndless mode with randomly generated waves and a choice of 4 difficulty levels for a perpetual Pawn menace (now with Autosaves, Hyper states & Hardcore mode!)
Puzzle Attack mode offering 48 high-stakes, logic-testing stages to clear (now with Easy Mode!)
Knight's Dungeon mode providing a 40-stage set of knight's tour-inspired puzzles to maze through (now with a Level Editor & Steam Workshop support!)
Playable Tutorials & Tooltips for a crash course in the mechanical intricacies & insight on demand
Strategic Power-ups that block advancing Pawns, plant explosive traps & more!
Competitive Leaderboards to rank your best played games against the world
Achievements & Trading Cards for the complete Steam experience
A single-player chess variant has never been more compelling. Get your head around Gigachess today!

Gigachess is a puzzle board hero defense. With your custom party of Knights, Rooks and Bishops, defend against the relentless waves of enemy Pawns running a blitz for the board's bottom. The seemingly unbreakable formations and constant downward march of your foe transform chess from slow burn to tactical rush in this deeply addictive single-player remix of turn-based strategy's ultimate grandmaster.
How long can you survive the Pawn onslaught?
GIGACHESS v1.15 FEATURESEndless mode with randomly generated waves and a choice of 4 difficulty levels for a perpetual Pawn menace (now with Autosaves, Hyper states & Hardcore mode!)
Puzzle Attack mode offering 48 high-stakes, logic-testing stages to clear (now with Easy Mode!)
Knight's Dungeon mode providing a 40-stage set of knight's tour-inspired puzzles to maze through (now with a Level Editor & Steam Workshop support!)
Playable Tutorials & Tooltips for a crash course in the mechanical intricacies & insight on demand
Strategic Power-ups that block advancing Pawns, plant explosive traps & more!
Competitive Leaderboards to rank your best played games against the world
Achievements & Trading Cards for the complete Steam experience
A single-player chess variant has never been more compelling. Get your head around Gigachess today!