Co-Op Steam game with Castle Crashers Vibes finally launches and reaches a major milestone

An indie game called Lost Castle 2which has been in early access on Steam since 2024, has finally launched and has already reached an impressive milestone on Valve's showcase. Developed by Hunter Studio, Lost Castle 2 is often compared to Castle Crashers2008's beat 'em up, which is one of the staples of the genre.

Castle Crashers currently has an overwhelmingly positive average rating on Steam, with nearly 140,000 reviews. Developed by The Behemoth, it has long been considered one of the most influential games in the beat 'em up genre and still has a devoted fan base today. While many games have tried to follow in its footsteps over the years, Lost Castle 2 may be one of the few who have managed to capture some of Castle Crashers' best game elements, and the latest stats seem to back it up.

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Lost Castle 2 reaches over 20,000 concurrent players on Steam

The 1.0 version of the Lost Castle 2 was released on June 10, 2026, nearly two years after its early access debut. According to SteamDB data, the game saw a rapid increase in concurrent players, with the latest record at the time of writing at 21,326, which is its highest peak to date. The boost also appears to be bolstered by a limited-time Steam discount, dropping the price from $17.99 to $12.59 until June 24th. Developer Hunter Studio celebrated the full release, “We're excited to finally share the full release. Lost Castle 2 experience with you,” while revealing a slew of new content included in the free 1.0 update.

Everything new in Lost Castle 2

(NEW) Weapon enhancement features
(NEW) Soul Stones (Ability Enhancing Items)
(NEW) Upgraded mission system for the plot
(NEW) Collector's item
(NEW) Weapons and armor
(NEW) Boss unlocked weapons and gear
(NEW) Higher difficulty levels for Lost Castle 2's Nightmare mode
(NEW) Endgame hidden boss fight

Why Lost Castle 2 is a perfect choice for Castle Crashers fans

The 2D overworld map and castle battlefield i Lost Castle 2 may trigger some nostalgia for fans of Castle Crashers. More importantly, its 4-player co-op combat turns every fight into chaotic, fast-paced action, which may be the main hook that pulls Castle Crashers fans in.

Lost Castle 2 supports both local and online multiplayer.

Lost Castle 2s basic gameplay loop is built around classic roguelike design, but it also seems to borrow from Castle Crashers in its beat 'em up style combat. As Castle Crashersit leans into a medieval setting along with quirky character designs that give it a light-hearted tone.

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What Lost Castle 2 have it Castle Crashers However, it lacks a deeper character building system that allows players to customize their stats through a wide range of options. These include Lost Castle 2s weapon enchantments and permanent buffs, as well as mid-match drops, armor and loot that can significantly shape each playthrough. Thanks to its roguelike design philosophy, every run-in Lost Castle 2 can feel completely different, making it one of the more replayable entries in the genre.

On Steam, Lost Castle 2All-time rating is Mostly Positive, based on over 11,000 reviews. That said, recent reviews from some non-English regions have shifted towards Mixed, largely due to reported performance issues after the 1.0 update. Even so, developer Hunter Studio has a solid track record of rolling out frequent hotfixes during early access, which suggests that these issues will likely be addressed soon in an upcoming patch.