-New hero selection and gamemaster interface.
-Added tournament mode. In tournament mode, games are chosen at random and you cannot change game settings after the tournament has started.
-Movement command switch to Accelerate has been removed.
-You can now change game mode and number of games played when restarting the game.
-Dusk Horizon track has been replaced with a remastered version by Mothership Loudspeakerz.
-A player that dies by being knocked into a wall, black hole, or star will now award the knocking player a kill.
-Animal Companion is no longer removed upon the Dreamwalker's death. Duration reduced from 30 to 25 seconds.
-Power Word: Deflect cooldown reduced from 3 to 1 seconds.
Mistress of Waves
-Chromatic Laser is now aborted with a second press of (F) instead of (X).
Lord of Elements
-Fixed a bug that sometimes caused Chain Lightning to not abort the spellcast if no jump-to target was found.
-Chain Lightning cast range increased from 600 to 700.
-Chain Lightning cooldown will not be invoked if the only hit was friendly-fire.
-Command the Elements is now aborted with a second press of (F) instead of (X).
-New game mode - Quadrupole Quarrel: A deathmatch. The voidlord Dimensius is releasing waves of charged particles from the center of the ring-shaped arena. In each corner, a charged crystal either attracts or repels the particle waves.|n|nThe crystal's polarities switch in random intervals, turning previously safe positions into death traps.
-New particle - Neutron: A slow-moving particle that explodes after a few seconds, releasing high energy particles and X-rays.
-The number next to each hero's health and mana bar which usually denotes the hero's level now denotes that player's standing in the player scores.
-Launching neutrinos now has inverted controls.
-Added an option to rearrange teams in-game.
-Added an option to boost the power of specific players to even the playing field when the differences in skill levels of players is too high.
-Added an option to enable cheat codes for multiplayer.
-Added a new gamemaster, Mentor Than'zoth. Tips and information are now found at him instead of the assistant.
-Did you know? has been split into random tips and trivia.
-Players now only vote on game modes, not game options, in democracy mode.
-Grid hotkeys now have the same layout as custom hotkeys.
-Fixed a bug that made the Xen A.I. sometimes get stuck trying to cast Charge Up.
-Maelstrom Madness is now classified as low difficulty, down from average, Cosmic Shower as average, up from low, and Dodgecore as average, down from high. Quadrupole Quarrel is the new high difficulty deathmatch.
-Jigg's boson lifetime reduced from 12 to 8 seconds.
-In Maelstrom Madness, the cosmic rays bombarding the corners of the arena have been removed.
Mistress of Waves
-Chromatic Laser mana cost reduced from 30 to 25.
-A character dying while stunned by a Freezing Trap will now award the Sylvan Ranger an assist.
-New hero - Argent Knight.
-New game mode - Xen: Xen is an intelligent A.I., able to play the Arcane Prodigy on Cosmic Shower, Maelstrom Madness, and Dodgecore. Earn medals by defeating Xen on various difficulty settings.
-Replaced the current bots with new bots based on the Xen A.I. You enable the bots at the Assistant instead of by filling the game with computer players.
-Characters now have stats and a background story shown on the select button.
-Particles no longer appear in the inventory, but a counter appears over the ability button.
-Four new permanent items have been added: Control Rod, Space Slippers, Carbon Collector, and Chrono Key.
-The medals earned in singleplayer modes are now displayed in the multiboard. You can now load your highscores to a new session of Particle Party with the "-load <code>" command.
-The tutorial cinematic now plays automatically after hero selection and can be skipped.
-Each hero now has custom error sounds for no mana, cooldown not ready, and no particles.
-The layout of the ability and particle buttons has been inverted.
-You can now auto-target yourself with spells by holding Space-Bar.
-Death by black hole consumption now has an appropriate visual effect.
-The arena grid now pulsates with energy.
-The shooting stars in the hero selection screen have been replaced by interstellar particles. Those particles are also visible from the lobby arena.
-Cosmic Shower (Singleplayer) has been renamed to Quantum Survival.
-Dimensius is now watching the Dodgecore game.
-The gamemasters now teleport the players to the arena.
-Dimensius is now making a comment about the outcome of each game.
-Health regeneration now increases at low health.
-Mana regeneration now increases at low mana and continues while dead.
-Greater Healing Potion healing amount reduced from 50 to 40.
-Revive time in deathmatch has been reduced from 7 to 5 seconds.
-Particle Pellets are now on a separate spawn timer from other powerups. The overall spawn rate is unchanged, but the spawn rate is more consistent.
-Powerup pickup range increased by 10%.
-Powerup spawn rates increased for higher player amounts.
-Proton and antiproton launch velocity increased by 25%, tauron launch velocity increased by 10%, and that of all other particles by 15%. Only 50% of the player's movement speed is added to the particle's movement speed, down from 66%.
-You can no longer shoot particles while invulnerable after reviving.
-Wall crash damage reduced from 6 per 100 speed to 5 per 100 speed.
-Each additional player beyond the second now adds 5% reduction in all damage taken to all characters, up from 3%.
-In Warm Up, the length of the reflective walls has been reduced.
-In Cosmic Shower, wave intervals have been reduced and crystal spawn intervals increased.
-In Maelstrom Madness, cosmic rays now only target the corners instead of the entire outer area. Frequency has been reduced.
-In Gnomeregan Cup, chargeless crystals now spawn on Apprentice difficulty and above that obstruct a direct path to the goals. The width of the goals has been reduced. The size of the arena has been reduced for higher player amounts.
-In Tiny Creators, protons and nuclei can no longer spawn moving directly towards one of the two planets. Number of particles required to complete the stages increased for higher player amounts. The arena size has been reduced for higher player amounts.
-Electric Slingshot has been updated to reflect the balance changes.
-In Quantum Survival, the Absorption Field ability is replaced with Tranquility. The difficulty now starts lower, but increases more rapidly.
-Passive carrying capacity bonus increased from 5 to 10.
-Hunter's Mark effect strength increased by 20%. Duration reduced from 15 to 12 seconds and cooldown reduced from 60 to 50 seconds.
-Freezing Trap stun duration reduced from 5 to 4.5 seconds. Cooldown increased from 30 to 35 seconds. Invulnerable characters can no longer trigger the trap.
-Freezing Trap now automatically creates a fake powerup. It can be disabled by holding down Space-Bar.
-Flaming Arrow speed reduced by 10%. Cooldown reduced from 25 to 20 seconds.
-Multishot mana cost reduced from 25 to 20 and cooldown reduced from 30 to 25. Maximum charges reduced from 4 to 3.
Daughter of the Ancients
-Passive acceleration bonus increased from 20 to 40.
-Wall of Roots cooldown reduced from 35 to 30 seconds. You can now change the orientation of the wall by holding down Space-Bar.
-Aimed Shot channeling duration reduced from 1.5 to 1 seconds, and cooldown reduced from 15 to 10 seconds.
-Abolish Magic mana cost reduced from 45 to 25 and cooldown reduced from 30 to 25. Can no longer dispel Auto-Zapper 3000.
-Tranquility cooldown reduced from 75 to 50 seconds. Reduced the time it takes for the first heal to come in.
-Pick Pocket maximum particles stolen increased from 12 to 15. Mana cost increased from 30 to 35.
-Cloak of Shadows no longer protects from wall collision damage. Duration increased from 3 to 3.5 seconds. Mana cost increased from 15 to 20.
Lord of Elements
-Passive changed from revives with +20 mana to revive time reduced by 40%.
-Burn to Ash cooldown reduced from 25 to 20 seconds.
-Blizzard cooldown reduced from 40 to 35 seconds and duration reduced from 8 to 7 seconds.
-Chain Lightning damage per jump increased from 7 to 8. Maximum particle-particle jump range increased from 325 to 350 and maximum particle-character jump range increased from 325 to 391. Minimum forking angle increased from 30° to 36°.
-Chain Lightning mana cost reduced from 30 to 25. The cooldown now resets if the lightning fails to jump to a character.
Mistress of Waves
-Crushing Wave no longer recoils the caster. Mana cost increased from 30 to 35.
-Chromatic Laser knockback increased by 10%. Mana cost reduced from 45 to 30.
-Passive changed from +20 maximum health to 10% reduced damage taken.
-Cosmic Rays mana cost reduced from 40 to 35 and cooldown reduced from 60 to 45 seconds.
-Mystic Nebula mana cost reduced from 20 to 15.
-Unstable Vortex mana cost reduced from 75 to 70.
-Passive changed from +5 mass to +25 maximum health. This does not affect starting health.
-Power Word: Deflect mana cost reduced from 10 to 5.
-Enter the Dream mana cost increased from 25 to 30.
-Starlight Pillar healing amount increased from 5 to 6 per second and mana regeneration reduced from 5 to 4 per second.
-Animal Companion mana cost reduced from 60 to 55, mass reduced from 5 to 2.5, accleration increased from 200 to 225, and Bite stun duration reduced from 3.5 to 3 seconds.
-Control of Animal Companion has been revamped. You can no longer select it, but control it with (Left-Click). The animal companion will now automatically return to her master whenever it is carrying items and is idle.
-Passive collision radius reduction increased from 10% to 15%.
-Poultrifying Ray duration reduced from 5 to 4.5 seconds.
-Transmute transmutation rate increased from 1 per 0.8 seconds to 1 per 0.75 seconds.