- Four new heroes added to the game: Valkyrie, Swordmaster, Hunter, and Priest, each with five abilities
- Swordmaster fights beside phantom copies of himself with Shadow Clone, Phantom Dash, Mirror Strike, Blade Dance, and Crescent Wave
- Hunter lays a Snare Trap, fires a Volley, sends out a Hawk, pierces lines with Barbed Arrow, and stuns with Bolas
- Priest heals with Divine Light and fights with Consecrate, Judgement, Sanctuary, and Holy Lance
- Valkyrie gains Sword of Justice, which executes weakened enemies, and Smite, which heals for each enemy it strikes
- The class select shows all twelve heroes, locked ones included, with the unlock condition on hover
- Valkyrie unlocks by finishing a run at full health
- Swordmaster unlocks by winning a run as the Knight
- Hunter unlocks by winning a run as the Archer
- Priest unlocks by clearing three different maps
- Omniscient now requires every other hero to be unlocked before the winning run counts
- Unlocks you have already earned are granted the next time you open the class select
- Locked maps are greyed out on the level select and say which map to clear first
- Career stats shows your unlocked heroes as a grid of portraits
- Eight new Steam achievements: unlock and victory for each of the four new heroes
- The Random Class achievement works again
- The whole menu is back to being a book: level select, class select, options, career stats, lobby, pause, level up, and game over
- Level select shows each map's details, your best score, and the leaderboard on its own page
- The in-game HUD is new: a player card per corner, a timer cluster at the top, and an ability bar at the bottom
- HUD text and the timer bar are larger so they read on a Steam Deck at 1280x800
- New ability cards on level up always have a white border
- The leaderboard shows the class portrait instead of the class name, with the name on hover
- Opening and closing Options keeps controller focus so you are never stuck
- Hovering a class no longer leaves the previous one highlighted
- Voice chat is built in, using Steam voice
- The lobby is open mic by default and shows YOUR MIC IS ON while you transmit, with a mute button and a mode picker
- In a run, you hear teammates by how close they stand to you
- Lobbies has volume sliders for each player
- Push to talk is on V or the left shoulder button, and voice can be turned off in Options
- A MUTE MIC button appears on the pause menu once a microphone is detected
- Teammates who are talking show a speaking tag in the lobby and a gold portrait border in the run
- Bubble Shields no longer stack up on teammates
- Downed players no longer swing their weapon while waiting for a revive
- Enemy death sounds now play for everyone, not just the host
- Long Steam names no longer break the lobby list
- The Weekly Challenge can be played as a team
- The boss only spawns when you reach the level goal; the match clock no longer forces it
- Abilities fire the moment their cooldown ends, no longer waiting for an enemy to be in range
- Ability cooldowns on the HUD match when the ability actually fires, including after level up pauses
- Zoom changes one step per second so a single scroll no longer skips a level
- Reroll on the level up screen no longer throws an error
- The game now always opens on the primary monitor