The centerpiece of the v3.4.0 update was the addition of as a playable character for all platforms. Previously a Nintendo Switch exclusive, Reaper's mechanics revolve around a unique soul-collection system:
: When Reaper defeats enemies, they release souls that transform into familiars to fight alongside her. Crypt.of.the.NecroDancer.v3.4.0 (2).rar
: The update introduced several refinements for Reaper, such as ensuring Soul Familiars no longer block her movement and adding unique colors for familiars in co-op mode to reduce visual confusion. "Merry Cryptmas" and Versus Mode The centerpiece of the v3
: A new arena type, Shiver Island , was added, featuring Deep Water tiles that could lead to drowning if a player stayed in them for too long. Gameplay Balance and Technical Fixes "Merry Cryptmas" and Versus Mode : A new
: The update significantly optimized Soul Familiar movement and tile attack checks to reduce lag spikes when many entities were on screen.
: Notable changes included the Blast Helm no longer causing grenades to explode instantly and Winged Boots receiving a time limit and cooldown in Versus Mode.