Slay the Spire 2 launches March 5 with 4-player co-op

Mega Crit confirmed via an Early Access trailer and a Steam blog/FAQ that Slay the Spire 2 will enter Steam Early Access on March 5, 2026, and will support 2–4 player cooperative play at launch. The developer’s FAQ says the game will remain in Early Access “until the game feels great” and offers a rough estimate that Early Access could last “around 1-2 years (based on the first game’s release schedule at least).”

The trailer is a two-and-a-half-minute animated sequence that opens on the Silent being knocked down in a boss fight and then helped by allies in combat, with gameplay clips showing encounters for up to four players. IGN described the clip as a “two-and-a-half-minute” animation, and PC Gamer identified characters seen together in the footage as Silent, Necrobinder, Regent, and Ironclad while noting the trailer also teases an additional new character.

Mega Crit’s marketing and press materials list a wide suite of Early Access content: new cards, characters, events, relics, potions, abilities, alternate acts, and more. Kitguru preserved Mega Crit’s phrasing that the sequel will include “new characters, enemies, environments & more,” and the Steam FAQ reiterates that Mega Crit will keep iterating in Early Access until it judges the game ready for full release.

Multiplayer is a major design shift for the series. Mega Crit and coverage across outlets describe multiplayer having multiplayer-specific cards and team synergies; IGN paraphrased that the multiplayer mode will feature “its own specific cards and team synergies,” and Kitguru noted the addition of “multiplayer specific cards, team synergies and more.” ThinkyGames’ Corey Hardt pointed out on February 20, 2026, that this will be the first time a Slay the Spire videogame ships with a 2–4 player cooperative mode outside of unofficial mods, and he linked the move to the design of the 2024 Slay the Spire: The Board Game as a possible influence.

Platform details are consistent: reviewers and outlets list Steam on PC as the Early Access platform and Game Informer’s product box lists Platform: PC with Release Date: March 5, 2026. The sequel was announced in 2024 and experienced a delay from late 2025 to March 2026, per IGN’s reporting on the timeline and the original Slay the Spire’s 2019 release for context.

Players and community sites have already prepared launch clocks: multiple outlets published regional start-time guides and GameRant published a consolidated guide on March 3 that collected expected regional release timings and start-time clocks to help players be ready at launch. With Early Access opening on March 5 on Steam and Mega Crit planning iterative updates over the following months, the first playable build will give roguelike deckbuilder fans their first official taste of four-player synergy, co-op strategies, and the new characters, cards, and relics that will define early runs.