Mundfish's fourth and final DLC for Atomic Heart, Blood on Crystal, launched on April 16, 2026 across PS5, PS4, Xbox Series X/S, Xbox One, and PC. It promises a conclusion to the first part of the story and sets up both Atomic Heart 2 and the upcoming MMO shooter The Cube. Whether that promise lands is a different matter entirely.
What is Blood on Crystal about?
Blood on Crystal picks up directly after the events of the previous DLC, with P-3 and his companions regrouping on a beach before pushing toward a final confrontation with primary antagonist CHAR-les inside the Crystal Complex. A recap video at the very start summarizes the entire narrative up to this point, which is a genuinely useful touch for anyone whose memory of earlier chapters has faded.
The premise is straightforward: P-3 has had enough of CHAR-les and intends to shut down his operations for good. Before that assault can begin, the beach comes under attack, forcing a retreat. From there, the story settles into a slow-burn planning phase, with NORA now installed in P-3's glove as a new companion. Granny Zina also returns after rescuing the group from an ambush, helping set the plan in motion.
NORA glove companion system
The DLC assumes you've completed all previous content, meaning P-3 starts at his most capable and his allies at their strongest. That context matters, because the early game strips your inventory anyway, leaving you with just your hammer and the Secateur for a frustrating stretch of time.
Blood on Crystal removes your full inventory at the start. Rebuilding your arsenal requires significant grinding for crafting materials, so don't expect to jump straight into the action with your end-game loadout.
Does the story hold up?
Honestly, not as well as it should for a series finale. The pacing drops sharply after the opening ambush. Characters spend considerable time discussing a plan that essentially amounts to "go destroy things," and the central betrayal is telegraphed so obviously from the opening cutscenes that it stops being a twist and becomes a formality.
The dialogue leans heavily on MCU-style quips during combat, which undercuts the few moments the DLC genuinely tries to make land emotionally. As GamingBolt's review noted, scenes built for emotional weight struggle when one of the central characters is an AI living inside a weapon vending machine. The voice acting itself is often strong, and a handful of characters remain genuinely interesting, but the tonal inconsistency is a recurring problem across the roughly 4-hour runtime.
The one area where the story earns its keep is the final confrontation. The boss fight against CHAR-les is the best encounter in the entire DLC and one of the strongest in the base game, according to GamingBolt's assessment. If you've invested in the full narrative, that payoff is real.
CHAR-les final boss encounter
How does the gameplay feel?
Repetitive, with occasional bright spots. The new enemy type introduced in Blood on Crystal, Polymorphs, adds some variety, but you'll spend the majority of those 4 hours fighting the same robots you've been fighting since the base game launched in February 2023.
The CHANCE modules system is presented as a meaningful addition, with certain powers being more effective against specific enemy types. In practice, the system never feels fluid enough to reward deliberate use. You can clear the entire DLC without engaging with it seriously.
Respawning enemies are the biggest gameplay frustration. Long traversal sections are interrupted repeatedly by combat encounters that aren't interesting enough to justify their frequency. According to GamingBolt's review, removing respawns entirely and replacing them with fresh, placed encounters would have improved the experience significantly. The current setup primarily drains resources without adding tension.
Focus on recollecting your full weapon arsenal as quickly as possible in the early sections. The Secateur-and-hammer phase is the weakest part of the DLC, and pushing through it faster makes the mid-game considerably more enjoyable.
Puzzles appear throughout but rarely challenge. Most require backtracking to check for missed elements rather than genuine problem-solving, which adds to the sluggish feel of the level design.
Polymorph enemy encounter
How does it perform on PC?
Performance is one area where Blood on Crystal doesn't cause problems. Testing on a mid-range PC setup (AMD Ryzen 7 7800X3D, Radeon RX 7800 XT, 32 GB RAM) at 2560x1440 with all settings maxed except ray tracing, the DLC ran above 60 FPS for most of its runtime. The opening ambush sequence dipped to around 50 FPS at points, but the rest of the experience stayed well above 70 FPS, according to GamingBolt's PC testing.
Console performance data wasn't included in the available sources, but the PC experience is stable enough that technical issues won't be the reason you're frustrated.
What's good and what isn't?
The DLC takes roughly 4 hours to complete on a standard playthrough. Hunting collectibles or Trophies/Achievements could push that to around 5 hours, while a fast run might finish closer to 3.
Who should actually play Blood on Crystal?
If you've played every previous DLC and want to see the story through to its conclusion, Blood on Crystal delivers exactly that: a conclusion. The CHAR-les boss fight alone gives series fans something worth experiencing, and the narrative does close out the threads left hanging from the base game while pointing toward Atomic Heart 2 and The Cube.
If you bounced off the base game's pacing issues or skipped the earlier DLCs, there's nothing here that will change your mind. GamingBolt's review scored it 5/10 (Average), calling it "incredibly difficult to recommend for anyone who isn't already a massive fan of Atomic Heart."
Crystal Complex level design
The short runtime at least means the frustrations don't overstay their welcome. That's a backhanded compliment, but it's the most accurate one available.
Blood on Crystal is described by Mundfish as the final DLC for Atomic Heart. The studio has a full sequel and the MMO shooter The Cube in development, so this is the last content addition to the original game.
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