Warhammer 40000 Chaos Gate Daemonhunter is a turn-based tactics game set in the grimdark Warhammer 40,000 universe, following an elite Grey Knight strike force fighting the Bloom, a Nurgle plague spreading across a star sector. Players command squads through tactical combat against daemonic enemies.

Between missions, players manage their strike cruiser and squad progression, deepening the tactical layer as they race to contain the spreading corruption.